JPH1172280A - Low temperature showcase - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily and safely remove scraps and powder of a commodity which have fallen into a refrigerator chamber by forming notches having a size permitting fingers to pass through in an upper peripheral part of crosspieces arranged in parallel with a clearance to a cold air outlet grill and sandwiching a single crosspiece or a plurality of crosspieces and located at both sides thereof. SOLUTION: A cold air outlet is formed between a top periphery of a cover and a bottom plate and a bottom of the cover is disposed in close contact with a heat insulation wall. A cold air outlet grill 18 is freely detachably installed in the cold air outlet. The cold air outlet grill 18 is constituted of a plurality of crosspieces 19 arranged in parallel at a specified interval and notches 20 cut to a specified size is formed. The notches 20 has sizes somewhat larger than those of a finger and are provided in such a manner as to be opposite to one another with one or a plurality of the crosspieces 19 being sandwiched between the notches. Thus, a constitution is realized wherein fingers can be inserted into the notches 20, 20 in such a manner as to pinch the crosspiece 19 sandwiched between the notches. Then, scraps, a powder or the like of a commodity which have fallen downward from the cold air outlet can be easily and simply taken out.

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 for displaying and storing fresh confectionery such as cakes and chocolates in a storage room.

[0002]

2. Description of the Related Art Conventionally, a low-temperature showcase that displays fresh confectionery (products) such as cakes and chocolates while cooling the confectionery,
For example, Japanese Utility Model Publication No. 7-49335 (F25D11 / 0)
0). 12 shows a conventional low-temperature showcase 100 according to FIG. Conventional low-temperature showcase 100
A transparent plate 107 is provided between the front end of the top wall 106 and the front end of the heat insulating wall 103 whose upper surface is open, and the storage room 102 is closed by the openable and closable doors 109, 109 provided on the rear surface. A plurality of shelves 115... For displaying confectionery are installed in the storage room 102.

Further, a cooling chamber 112 is provided in a heat insulating wall 103 provided below the storage chamber 102, and a cooling device 113 and a blower 114 constituting a cooling device are installed in the cooling chamber 112. ing. Furthermore, the heat insulating wall 10
A machine room 110 is provided below 3, and in the machine room 110, a compressor, a condenser, and the like (not shown) constituting a cooling device together with the cooler 113 are installed.
The cooler 113 is composed of a plurality of radiating fins and a refrigerant pipe.

[0004] A cold air inlet 117 is formed in the storage chamber 102 between the bottom plate 111 and the transparent plate 107, and a cold air discharge opening having a narrow dimension is provided between the bottom plate 111 and the heat insulating wall 103 on the door 109 side. An outlet 116 is formed.

A cool air discharge grille 118 is detachably mounted on the cool air discharge port 116 to prevent the inside of the cooling chamber 112 from being exposed from the cool air discharge port 116. The cool air discharge grill 118 is configured by arranging a plurality of bars in parallel, and cool air that has exchanged heat with the cooler 113 is supplied to the blower 11.
4 through the space between the bars of the cool air discharge grill 118
After being discharged into the inside 02, it is sucked through the cool air inlet 117. Thereby, each shelf 115 in the storage room 102
-The confectionery (product) displayed above is kept cool at a predetermined temperature.

Here, when fresh confectionery such as cakes and chocolates are taken in and out of the storage room 102, debris and powder fall from them. When refuse and powder fall from the confectionery, they fall and accumulate in the cooling chamber 112 from between the bars of the cool air discharge grille 118 provided at the cool air discharge port 116. If these debris and powder are left standing in the cooling chamber 112, mold will be generated on the debris and powder of the stored products, resulting in unsanitary condition. For this reason, it is necessary to periodically remove the cool air discharge grille 118 and insert a hand from the cool air discharge port 116 into the lower cooling chamber 112 to perform a cleaning operation for removing dropped debris and powder.

[0007]

However, the width of the cross section of the cool air discharge grille 118 is narrow, and it is difficult to hold the fingers because the fingers do not easily pass through, and the work of attaching and detaching the cool air discharge grille 118 is complicated. In addition, the cooling chamber 112
When removing the debris and powder by inserting a hand inside, the cold air discharge port 116 is extremely troublesome because of its small size.
There was also a danger that the radiation fins of the cooler 113 would be injured when touched by the hand.

The present invention has been made in order to solve the problems of the prior art, and a low-temperature showcase that can easily and safely remove dust and powder from commodities that have fallen into a cooling room. To provide.

[0009]

According to the first aspect of the present invention, there is provided a low-temperature showcase according to the first aspect of the present invention, wherein a low-temperature showcase is provided between a transparent plate on the front side and a door on the rear side, and is disposed below the storage room. A cooling wall formed in the heat insulating wall, in which a cooler and a blower are arranged, a bottom plate arranged at a boundary between the storage room and the cooling room, and along a front edge of the bottom plate. Equipped with a formed cool air suction port and a cool air discharge port formed along the rear edge of the bottom plate, cool air that has exchanged heat with the cooler is discharged from the cool air discharge port into the storage room by a blower, and cooled from the cool air suction port. A cool air discharge grille that is sucked into the room and is removably mounted on the cool air discharge port, has a plurality of bars arranged side by side at intervals, and has one or more On the upper edge of the crossbar located on both sides of them, Finger is the cutting of the passable size is obtained by forming, respectively.

A low-temperature showcase according to a second aspect of the present invention includes a storage room formed between a transparent plate on the front and a door on the back, and a heat insulating wall disposed below the storage room and opened on the upper surface. A cooling chamber formed in the heat insulating wall, in which a cooler and a blower are disposed, a bottom plate disposed at a boundary between the storage room and the cooling chamber, and a cold air inlet formed along a front edge of the bottom plate. And a cool air discharge port formed along the rear edge of the bottom plate.The cool air that has exchanged heat with the cooler is discharged from the cool air discharge port into the storage chamber by the blower, and is sucked into the cooling chamber from the cool air suction port. The heat-insulating wall also has a back surface that is open, a cover that closes the back opening so that it can be opened and closed from the rear, and a cool air discharge port formed between the upper edge of the cover and the rear edge of the bottom plate.

A low-temperature showcase according to a third aspect of the present invention is the same as the second aspect, except that the cover is disposed inside the door.

Further, the low-temperature showcase according to a fourth aspect of the present invention is a low-temperature showcase, comprising: a storage room formed between a front transparent plate and a rear door; and a heat insulating wall disposed below the storage room and opened on the upper surface. A cooling chamber formed in the heat insulating wall, in which a cooler and a blower are disposed, a bottom plate disposed at a boundary between the storage room and the cooling chamber, and a cold air inlet formed along a front edge of the bottom plate. And a cool air discharge port formed along the rear edge of the bottom plate.The cool air that has exchanged heat with the cooler is discharged from the cool air discharge port into the storage chamber by the blower, and is sucked into the cooling chamber from the cool air suction port. There is provided a cool air discharge grill removably mounted on the cool air discharge port, and the cool air discharge grill has a tray portion bent forward after extending from a rear portion into a lower heat insulating wall. Things.

Further, in the low-temperature showcase according to the fifth aspect of the present invention, in addition to the fourth aspect, the bent portion of the tray portion has a curved shape having a predetermined curvature.

[0014]

Next, an embodiment of the present invention will be described in detail with reference to the drawings. FIG. 1 shows a low-temperature showcase 1 of the present invention.
FIG. 2 is a longitudinal side view of the low-temperature showcase 1 of the present invention, FIG. 3 is a rear perspective view of the low-temperature showcase 1 showing an operation of attaching the cover 21, and FIG.
5 is an enlarged vertical sectional side view of the vicinity of the cool air discharge port 16, FIG. 5 is an enlarged perspective view of the cool air discharge grill 18, and FIG.
7 is an exploded view showing the procedure for attaching the cover 21. FIG.

The low-temperature showcase 1 is a showcase for displaying and selling fresh confectionery products such as cakes and chocolates while keeping them cool. A container-like heat-insulating wall 3 opened on the upper surface and standing on both sides of the rear end of the heat-insulating wall 3. Pillars 4, 4, a heat-insulating ceiling wall 6 attached to the upper ends of the pillars 4, 4, and glass attached between the front end of the ceiling wall 6 and the front end of the heat-insulating wall 3. Transparent plate 7, side glass 8,
8 and the storage room 2 opened rearward.

The rear opening of the storage room 2 is closed by a sliding door type glass door 9 so that it can be opened and closed freely.
The bottom plate 11 of the storage room 2 is installed on the upper surface of the storage space 2 at intervals. In the storage room 2, a cool air discharge port 16 is formed along the rear edge of the bottom plate 11 between the bottom plate 11 and the doors 9, 9, and on the front side of the bottom plate 11 inside the lower end of the transparent plate 7. A cold air inlet 17 is formed at the position. A plurality of shelves 15... Are provided on the columns 4 and 4 in the storage room 2, and the shelves 15. ing.
Reference numeral 5 denotes a fluorescent lamp for illuminating the inside of the storage room 2.

Further, a cooling chamber 12 is formed between the bottom plate 11 and the heat insulating wall 3, and a cooling device 13 and a blower 14 constituting a cooling device are disposed in the cooling chamber 12. That is, the bottom plate 11 is located at the boundary between the storage room 2 and the cooling room 12. A machine room 10 is provided below the heat insulating wall 3, and a compressor, a condenser, a blower for the condenser and the like (not shown) constituting a cooling device together with the cooler 13 are provided in the machine room 10. Have been.

The heat insulating wall 3 (cooling chamber 12) has an opening formed on the back surface (inside the doors 9 and 9), and the opening has a width substantially equal to that of the door 9. It is closed by a cover 21 made of a sheet or a synthetic resin plate.

In this case, the mounting pieces 2 are provided inside the doors 9 and 9.
5 and 25 are provided at predetermined intervals, and the cover 21 is removably fastened and fixed to the mounting pieces 25 and 25 by screws 26 which can be easily tightened by fingers. As a result, the back opening of the heat insulating wall 3 is closed by the cover 21 so that it can be opened and closed from behind.

A cool air outlet 16 is formed between the upper edge of the cover 21 and the bottom plate 11, and the lower portion of the cover 21 is in close contact with the heat insulating wall 3. In addition, a cool air discharge grill 18 is detachably mounted on the cool air discharge port 16. 25A (not shown) is a screw hole, and 24 is a rail on which the door 9 is erected. The rail 24 is attached to the upper surface of the rear end of the heat insulating wall 3 so that the cover 21
9 is located inside the lower end.

The cold air discharge grille 18 is composed of a plurality of bars 19 arranged side by side at a predetermined interval, and the bars 19 are cut out to a predetermined size. 20 is provided. The cut 20 is formed to be slightly larger than a finger, and one or a plurality of bars 19.
.. are provided opposite to each other with the interposition therebetween. Thereby, it is comprised so that the bar | burr 19 pinched | interposed between them can be handed through the cuts 20, 20 with fingers.

A through hole 18A penetrating vertically is formed between the bars 19, and the cooling chamber 12 and the storage chamber 2 are communicated by the through holes 18A.

With the above configuration, when the compressor is operated and the cooler 13 exerts a cooling action, the cool air exchanged with the cooler 13 is cooled by the blower 14 from the cool air discharge port 16 to the cool air discharge grill 18 (through the cool air discharge grill 18). Are discharged into the storage chamber 2 through the holes 18A. The cool air discharged into the storage room 2 rises along the inner surfaces of the doors 9, circulates in the storage room 2 through the lower surface of the ceiling wall 6, and returns to the cooling room 12 from the cool air suction port 17. By such cold air circulation, the sales products (fresh confectionery) displayed on the shelves 15... Are cooled.

Next, when removing debris and powder of commodities that have fallen into the cooling chamber 12 from the cool air discharge port 16, first, the door 9 is removed.
To open the opposed cuts 20, 20 of the cool air discharge grill 18
The fingers 19 are pinched between the cuts 20, 20, and the bar 19 is picked up, and the cool air discharge grill 18 is removed from the cool air discharge port 16.

Next, the screws 26 are turned by hand and removed, and the cover 21 is removed from the heat insulating wall 3. Thereby, the back surface (the door 9 side) of the cooling chamber 12 is opened.

In this state, a hand is put into the cooling chamber 12 from the rear to remove the dust and powder of the dropped commodity and perform cleaning. After cleaning the inside of the cooling chamber 12 is completed, the cover 21 is
After being fixed to the heat insulating wall 3 by tightening at 6 and 26, the cool air discharge grill 18 is placed on the cool air discharge port 16 between the upper edge of the cover 21 and the rear edge of the bottom plate 11.

As described above, according to the present invention, since the cool air discharge grille 18 can be easily removed, and the cover 21 can be removed to clean from behind the heat insulating wall 3, the cleaning workability in the cooling chamber 12 is greatly improved. , The low-temperature showcase 1 can be maintained in a sanitary manner.

Next, FIGS. 8, 9 and 10 show another embodiment of the low-temperature showcase 1 of the present invention. In this case, a heat insulating wall 3 having an open top surface is provided as in the conventional case, and a cool air discharge port 16 is formed between the bottom plate 11 and the rear end of the heat insulating wall 3 along the rear edge of the bottom plate 11. The cool air discharge grill 181 in this case is detachably mounted on the cool air discharge port 16. The other structure is the same as described above.

The cool air discharge grill 181 is formed integrally with a tray 22 extending downward from the rear end in addition to the structure of the cool air discharge grill 18 described above. This saucer part 2
9 extends downward along the inside of the heat insulating wall 3 as shown in FIG. 9, and is bent at a predetermined curvature toward the cooler 13 (front), where a bent portion 22A is formed. Further, a stopper 23 bent upward is formed at the tip of the tray portion 22, and the stopper 23 is located near the lower rear corner of the radiation fin 13 </ b> A of the cooler 13.

The stopper 23 closes the gap between the lower part of the cooler 13 and the heat insulating wall 3. In addition, 13B is a refrigerant pipe.

With such a configuration, all the debris and powder of the product that has fallen into the cooling chamber 12 after passing through the through-hole 18A of the cool air discharge grill 181 of the cool air discharge port 16 can be received on the tray 22. Then, when removing dust, powder, etc., of the product received by the receiving portion 22, as described above,
By picking 9 and pulling up the cool air discharge grill 181, dust and powder are taken out together with the cool air discharge grill 181. In addition, since the receiving portion 22 is formed with the bent portion 22A having a predetermined curvature, the product can be cleaned neatly without leaving the debris, powder, and the like of the product received by the receiving portion 22 with a towel or the like. Become like

Further, a stopper 2 at the tip of the tray 22 is provided.
3 prevents the dust and powder etc. of the product dropped from the cool air discharge port 16 from further entering the interior of the cooling chamber 12, and the air in the cooling chamber 12 allows the air between the cooler 13 and the heat insulating wall 3 to pass. It is possible to prevent the water from being discharged into the storage room 2 without being cooled.

[0033]

As described above in detail, according to the first aspect of the present invention, a storage room is provided between the front transparent plate and the rear door, and the storage room is disposed below the storage room and has an opening on the upper surface. A heat insulating wall, a cooling chamber formed in the heat insulating wall, in which a cooler and a blower are arranged, a bottom plate arranged at a boundary between the storage room and the cooling room, and formed along a front edge of the bottom plate. Equipped with a cool air suction port and a cool air discharge port formed along the rear edge of the bottom plate, cool air exchanged with the cooler is discharged from the cool air discharge port into the storage room by the blower, and is sucked into the cooling chamber from the cool air suction port. In a low-temperature showcase, a cool air discharge grill is removably mounted on a cool air discharge port, and a plurality of cross bars constituting the cool air discharge grill are sandwiched between one or a plurality of cross bars and are positioned on both sides thereof. In the upper edge of the, cut a notch of a size that allows fingers to pass Since the formed, by passing the fingers to cut, it is possible to pick a crosspiece between them easily.

Thus, when cleaning dust, powder, etc., of a product which has fallen downward from the cool air discharge port, the cool air discharge grill can be easily removed from the cool air discharge port without using a special tool. In other words, the cleaning workability can be improved and the low-temperature showcase can be constantly maintained in a sanitary state.

According to the second aspect of the present invention, the storage room formed between the front transparent plate and the rear door, the heat insulating wall disposed below the storage room and opened on the upper surface, and the heat insulating wall A cooling chamber in which a cooler and a blower are disposed, a bottom plate disposed at a boundary between the storage room and the cooling chamber, a cold air inlet formed along a front edge of the bottom plate, and a bottom plate. A low-temperature showcase that has a cool air discharge port formed along the trailing edge, discharges cold air that has exchanged heat with the cooler from the cool air discharge port into the storage room with a blower, and sucks the cool air from the cool air suction port into the cooling room. The back of the wall is also opened, and a cover that closes the back opening so that it can be opened and closed from the rear is provided, and a cool air discharge port is formed between the upper edge of the cover and the rear edge of the bottom plate. This opens the cooling chamber to the back It will be.

This eliminates the need to insert a hand through a narrow cold air discharge port to clean dust, powder, etc., of a product that has fallen downward from the cool air discharge port. The case can be maintained in a sanitary state at all times. Further, as in the case of cleaning from the cool air discharge port, the risk of injury due to a finger touching the cooler is reduced, so that safety is improved.

According to the third aspect of the present invention, in addition to the above, since the cover is arranged inside the door, it is not necessary to form the cover with a heat insulating member, and it is possible to reduce the cost. Things.

According to the fourth aspect of the present invention, a storage room formed between the front transparent plate and the rear door, a heat insulating wall disposed below the storage room and opened on the upper surface, and the heat insulating wall A cooling chamber in which a cooler and a blower are disposed, a bottom plate disposed at a boundary between the storage room and the cooling chamber, a cold air inlet formed along a front edge of the bottom plate, and a bottom plate. A cold air discharge port formed along the trailing edge, wherein the cool air that has exchanged heat with the cooler is discharged from the cool air discharge port into the storage room by a blower, and is sucked into the cooling room from the cool air suction port. After extending into the lower heat insulation wall from the rear to the cool air discharge grille detachably mounted on the discharge port,
Since the tray portion bent forward is provided, debris, powder, and the like of the commodity dropped from the cool air discharge port are received by the tray portion.

Then, if the cold air discharge grill is raised,
Since the received debris and the like can be taken out from the cooling chamber together, the workability of cleaning the cold air discharge port and the safety of the work are significantly improved.

According to the fifth aspect of the present invention, in addition to the above, the bent portion of the tray portion has a curved shape with a predetermined curvature, so that the bent portion of the tray portion can be smoothly cleaned. This eliminates the danger of unsanitary trash left behind.

[Brief description of the drawings]

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

FIG. 2 is a vertical side view of a low-temperature showcase of the present invention.

FIG. 3 is a rear perspective view of the low-temperature showcase showing an operation of attaching a cover.

FIG. 4 is an enlarged vertical sectional side view of the vicinity of a cool air discharge port of a low-temperature showcase.

FIG. 5 is an enlarged perspective view of a cool air discharge grill.

FIG. 6 is a vertical side view of a cool air discharge grill.

FIG. 7 is an exploded side view showing a procedure for attaching a cover.

FIG. 8 is a vertical sectional side view of another low-temperature showcase of the present invention.

FIG. 9 is an enlarged vertical sectional side view of the vicinity of a cool air discharge port of the low-temperature showcase of FIG. 8;

FIG. 10 is a rear perspective view of the low-temperature showcase showing a procedure for mounting the cool air discharge grille.

FIG. 11 is a vertical sectional side view of a conventional low-temperature showcase.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Low-temperature showcase 2 Storage room 3 Heat insulation wall 6 Top wall 7 Transparent plate 9 Door 10 Machine room 11 Bottom plate 12 Cooling room 13 Cooler 13A Radiation fin 14 Blower 18, 181 Cold air discharge grille 18A Through hole 19 Pier 20 Cut 21 Cover 22 Receiving part 22A Bending part 24 Rail

Claims (5)

[Claims] 1. A storage room configured between a front transparent plate and a rear door, a heat insulating wall disposed below the storage room and opened on an upper surface, and a cooler formed in the heat insulating wall. And a cooling chamber in which a blower is disposed, a bottom plate disposed at the boundary between the storage chamber and the cooling chamber, a cold air inlet formed along a front edge of the bottom plate, and a rear edge along the rear edge of the bottom plate. In the low-temperature showcase comprising a formed cool air discharge port, the cool air that has exchanged heat with the cooler is discharged from the cool air discharge port into the storage chamber by the blower, and is sucked into the cooling chamber from the cool air suction port. A cool air discharge grill is detachably mounted, the cool air discharge grill has a plurality of bars arranged side by side at intervals, and a bar located on both sides of one or a plurality of bars. The upper edge of the notch is of a size that allows fingers to pass through Low-temperature showcase, characterized by being formed respectively. 2. A storage room formed between a front transparent plate and a rear door, a heat insulating wall disposed below the storage room and opened on the upper surface, and a cooler formed in the heat insulating wall. And a cooling chamber in which a blower is disposed, a bottom plate disposed at the boundary between the storage chamber and the cooling chamber, a cold air inlet formed along a front edge of the bottom plate, and a rear edge along the rear edge of the bottom plate. A low-temperature showcase comprising a formed cool air discharge port, wherein cool air that has exchanged heat with the cooler is discharged from the cool air discharge port into a storage chamber by a blower, and is sucked into the cooling chamber from the cool air suction port. A low-temperature showcase, wherein a cover for closing the rear opening so as to be openable and closable from the rear is provided, and the cool air discharge port is formed between an upper edge of the cover and a rear edge of the bottom plate. 3. The low-temperature showcase according to claim 2, wherein the cover is arranged inside the door. 4. A storage room formed between a front transparent plate and a rear door, a heat insulating wall disposed below the storage room and opened on the upper surface, and a cooler formed in the heat insulating wall. And a cooling chamber in which a blower is disposed, a bottom plate disposed at the boundary between the storage chamber and the cooling chamber, a cold air inlet formed along a front edge of the bottom plate, and a rear edge along the rear edge of the bottom plate. In the low-temperature showcase comprising a formed cool air discharge port, the cool air that has exchanged heat with the cooler is discharged from the cool air discharge port into the storage chamber by the blower, and is sucked into the cooling chamber from the cool air suction port. A low-temperature show comprising a cool air discharge grille detachably mounted, the cold air discharge grille extending from a rear part into a lower heat insulating wall and then having a tray part bent forward. Case. 5. The low-temperature showcase according to claim 4, wherein the bent portion of the tray has a curved shape with a predetermined curvature.