JP6181570B2 - Showcase - Google Patents

Description

  The present invention relates to a showcase in which shelves and deck pans are installed in a display chamber whose front surface is open to display merchandise, and in particular, the shelves and deck pans can be pulled out forward from the openings.

  Conventionally, in this type of open showcase, a display chamber having an open front is formed inside a heat insulating wall, and a plurality of shelves for displaying merchandise are installed in the display chamber. In addition, a plate called a deck pan is attached to the bottom of the display room, and these shelves and deck pans can be pulled out forward from the opening in order to facilitate product replenishment (for example, patents). Reference 1).

JP 2012-161345 A

  In such an open showcase, since the front of the display room is open, it is easy for the customer to take out the product, and the effect on sales of the product is extremely high, but cold air leakage from the display room is significant. . In order to prevent this, a cold air curtain is usually formed in the opening. However, it is inevitable that the cool air leaks and the outside air enters, and the cooling effect is reduced and the power consumption is inevitably increased.

  Therefore, in Patent Document 1, the door is attached to the opening of the open showcase. By attaching the door so that the opening can be opened and closed, leakage of cold air and intrusion of outside air can be prevented or reduced. However, when the door is attached, there arises a problem that the shelf cannot be pulled out this time.

  The present invention has been made to solve the conventional technical problems, and can prevent or suppress the leakage of cold air and the intrusion of outside air without any trouble in a showcase having a drawer that can be pulled out. The purpose is to do so.

In order to solve the above-mentioned problems, the present invention provides a display case having a shelf for displaying products and a deck pan in a display room having an open front surface , a heat insulating wall having a U-shaped cross section , and a side plate attached to a side surface of the heat insulating wall. A double door transparent door that closes the opening of the display room so as to be openable and closable, and a hinge device that is provided at the upper and lower edges of the opening and pivotally supports the upper and lower edges of the transparent door. The shelf and the deck pan can be pulled out forward from the opening of the display room, the transparent door is located outside the area where the shelf and the deck pan are pulled out in an open state, and the hinge device is pivoted The shaft has a holding portion that holds the transparent door, and the holding portion is formed in a key shape that is bent from an end portion of the portion that holds the transparent door and is connected to the rotation shaft. The shelf is pulled out from the front edge of the side plate Characterized in that positioned outside in the direction.

  In the showcase of the invention of claim 2, in the above invention, the hinge device rotates the transparent door in the closing direction when the opening degree of the transparent door is less than 90 degrees and in the opening direction when the opening degree is larger than 90 degrees. It is characterized by that.

The showcase of the invention of claim 3 is constituted by a heat insulating wall and a side plate in each of the above inventions, and a display chamber and a duct are formed by partitioning the inside of the heat insulating wall by a partition plate, and disposed in the duct. The cool air cooled by the cooled cooler is discharged from the cold air outlet at the upper edge of the opening and sucked from the cold air inlet at the lower edge of the opening to form a cold air curtain in the opening. A transparent door is attached in front of the mouth.
The showcase of the invention of claim 4 is characterized in that, in each of the above inventions, the rotation shaft is located outside in the direction in which the shelf is pulled out from the transparent door in a state where the transparent door is closed.
Further, the showcase of the invention of claim 5 is that, in each of the above inventions, the transparent door can be positioned outside the inner end of the rotating shaft in the width direction of the shelf in the opened state. Features.
In the showcase of the invention of claim 6, in each of the above inventions, the holding portion can be positioned outside the inner end portion of the rotating shaft in the width direction of the shelf in a state where the transparent door is opened. It is characterized by that.
Further, the showcase of the invention of claim 7 further includes an attachment member for attaching the hinge device to the heat insulating wall, and the attachment member has a portion located outside in the direction in which the shelf is pulled out from the front end of the side plate. The rotating shaft is attached to the part located outside.

  According to the present invention, in a showcase provided with a shelf for displaying products and a deck pan in a display room whose front surface is open, a double-speech transparent door that opens and closes the opening of the display room, and upper and lower edges of the opening. A hinge device which is provided at the edge and pivotally supports the upper and lower edges of the transparent door. It is composed of a side plate attached to the side of the wall, and the inside of the heat insulating wall is partitioned by a partition plate to form a display chamber and a duct, and the cool air cooled by the cooler disposed in this duct is opened at the upper edge It is opened by installing a transparent door in front of the cold air outlet and the cold air inlet of the open showcase that discharges from the cold air outlet and sucks from the cold air inlet at the lower edge of the opening to form a cold air curtain in the opening Show It is possible to prevent or suppress the leakage and intrusion of outside air cold was fate the case.

  In this case, the upper and lower edges of the transparent door are pivotally supported by the hinge device so that the open showcase is not modified, or only by attaching simple parts. It is possible to change the open showcase according to the invention of claim 3 to a showcase with a transparent door.

  In particular, even if the shelf and the deck pan can be pulled out forward from the opening of the display room, the transparent door is configured to be positioned outside the region from which the shelf and the deck pan are pulled out in an open state. By opening, the shelf and the deck pan can be pulled forward from the opening without any trouble.

  Thereby, the inconvenience that the product replenishment work on the shelf or the deck pan deteriorates due to the transparent door can be avoided.

  In addition, since the hinge device pivotally supports the upper and lower edges of the transparent door, the hinge device will not interfere with the drawer of the shelf and deck pan, eliminating the inconvenience of having to reduce the width of the shelf and deck pan. Is done.

  Further, as in the invention of claim 2, if the hinge device rotates the transparent door in the closing direction when the opening degree of the transparent door is less than 90 degrees, and the opening direction when the opening degree is larger than 90 degrees. When the customer opens the transparent door for product removal, the inconvenience of leaving the transparent door open is resolved, and when the product is refilled on a shelf or deck pan, the transparent door is larger than 90 degrees. Since the open state is maintained by opening, workability is remarkably improved.

It is a vertical side view of the low-temperature showcase of the Example to which this invention is applied. It is a front view of the low-temperature showcase of FIG. It is an expanded sectional view of the opening upper edge part of the low-temperature showcase of FIG. It is an expanded sectional view of the opening lower edge part of the low-temperature showcase of FIG. It is an enlarged front view of the door apparatus lower part of the low-temperature showcase of FIG. It is a plane sectional view of the door device part of the low-temperature showcase of FIG. It is a figure which shows the relationship between the shelf and the door apparatus of the state which closed the door apparatus of the low-temperature showcase of FIG. It is a figure which shows the relationship between the shelf and the door apparatus of the state which opened the door apparatus of the low-temperature showcase of FIG.

  Hereinafter, embodiments of the present invention will be described in detail. FIG. 1 is a longitudinal side view of a low-temperature showcase 1 as an embodiment of a showcase to which the present invention is applied, and FIG. 2 is a front view thereof. The low-temperature showcase S of the embodiment is a so-called vertical open showcase 1 having a double door type door device D attached thereto, and is installed in a store such as a convenience store or a supermarket.

  The open showcase 1 constituting the low-temperature showcase S is composed of a heat insulating wall 2 having a substantially U-shaped cross section whose front surface is open, and a heat insulating side plate 5 attached to the side surface of the heat insulating wall 2 at the installation site. . A partition plate 4 is attached to the inside of the heat insulating wall 2 of the showcase 1 with a space therebetween, and a duct 6 is formed between the partition plate 4 and the heat insulating wall 2.

  A bottom plate 7 is continuously attached to the lower end of the partition plate 4, and the inside of the partition plate 4 and the bottom plate 7 serves as a display chamber 8 whose front surface is open (14). In the display chamber 8, a plurality of steps of a pair of brackets 11 that are detachably attached to a back column and shelves 12 held by the brackets 11 are installed. Further, a deck pan 13 is attached on the bottom plate 7, and products are displayed on the shelf 12 and the deck pan 13.

  Further, the shelf 12 and the deck pan 13 can be pulled out forward as shown by a one-dot chain line in FIG. 1, and when a product is replenished on the shelf 12 or the deck pan 13, it is pulled out from the opening 14 to work. It is configured to be able to do. When the deck pan 13 is pulled forward, the deck pan 13 is pulled out from the lower edge of the opening 14 of the display chamber 8 by a small amount.

  A cool air discharge port 17 is formed at the upper edge of the front opening of the heat insulating wall 2 (the opening 14 of the display chamber 8). The cool air discharge port 17 communicates with the duct 6. Further, a cold air inlet 18 is formed on the inner side of the lower edge of the front opening of the heat insulating wall 2 (opening 14 of the display chamber 8) and communicates with the duct 6. A cooler 21 of a cooling device is disposed in the duct 6 on the rear side of the partition plate 4, and a blower 19 is installed in the duct 6 below the bottom plate 7.

  When the blower 19 is operated, the cold air exchanged with the cooler 21 rises in the duct 6 and is discharged from the cold air discharge port 17 toward the opening 14. Since the cold air discharged to the opening 14 is sucked from the cold air suction port 18, a cold air curtain is formed in the opening 14, and a part of the cold air curtain is circulated in the display chamber 8. The partition plate 4 is formed with a cold air outlet (not shown), and the inside of the display chamber 8 is cooled to a predetermined temperature by a part of the cold air curtain and the cold air blown out from these cold air outlets.

  A canopy 22 protrudes forward at the front end of the top wall 2B of the heat insulating wall 2 and is attached over the entire width of the opening 14 to constitute a part of the heat insulating wall 2. An illumination lamp 23 is provided inside the canopy 22 to illuminate the inside of the display room 8. An upper panel 24 is attached to the front side of the canopy 22, and a thermometer 26 for displaying the temperature in the display chamber 8 is attached to the upper panel 24.

  On the other hand, a hand rail 27 is attached to the lower front wall 2C of the heat insulating wall 2 on the front side of the cold air inlet 18 so as to become a part of the heat insulating wall 2 and constitute the lower edge of the opening 14. The above is the configuration of the open showcase 1.

  Next, the double door type door device D of the embodiment includes a pair of transparent doors 31 and 31 each made of a transparent plate glass, a hinge device 32 that pivotally supports the transparent doors 31 and 31, and a hinge device. It is comprised from the attachment members 33 and 34 for attaching 32 to the heat insulation wall 2. In the embodiment, two sets of door devices D are attached to the opening 14 of the open showcase 1 on the left and right.

  In this case, left and right mounting members 33 are attached to the left and right ends (inside the left and right side plates 5 and 5) of the canopy 22 located at the upper edge of the opening 14 so as to protrude forward, and are also centered in the left and right central portions. The mounting member 33 is attached so as to protrude forward. In addition, left and right ends and a central attachment member 34 are attached to the lower edge of the opening 14 at a position corresponding to the lower side of each attachment member 33 and protrude forward. The left and right door devices D and D are arranged side by side on the left and right of the central mounting members 33 and 34. In addition, the shelf 12 and the deck pan 13 are provided corresponding to the back of each door apparatus D and D, respectively.

  The hinge device 32 includes a rotation shaft 36 attached to the attachment member 33 or 34, and a corner of the upper edge of the transparent door 31 or a lower edge of the transparent door 31. And a holding portion 38 for holding the corner portion. The hinge device 32 is attached to the corners on the upper and lower edges of the right side of the transparent door 31 on the right side of the door device D and pivotally supports the transparent door 31. The doors D are attached to the corners of the upper and lower edges on the left side of the transparent door 31 on the left side of the door device D, and the transparent door 31 is pivotally supported so as to be a double-spread type.

  Further, the hinge device 32 has a cam-type self-closing mechanism. When the opening degree of the transparent door 31 is less than 90 degrees, the hinge apparatus 32 closes in the closing direction. 31 has a function of rotating. Reference numeral 39 denotes a handle attached to the non-pivot side of the transparent door 31. Further, a film that is difficult to attach a fingerprint is affixed to the outer surface of the transparent door 31. Further, the upper mounting member 33 and the hinge device 32 are located above the uppermost shelf 12 (outside the region where the uppermost shelf 12 is pulled out), and the lower mounting member 34 and the hinge device 32 are provided on the bottom deck pan. 13 is located below (outside the area where the deck pan 13 is pulled out).

  With the above configuration, when the transparent doors 31 and 31 of the door device D are closed (FIGS. 1 to 5 and 7), the transparent doors 31 and 31 are located in front of the cold air outlet 17 and the cold air inlet 18. ing.

  Next, when the transparent doors 31 and 31 are opened in a double doors manner (FIG. 6), as shown in FIG. 8, all of the transparent doors 31 are located outside the region where the shelf 12 and the deck pan 13 are pulled out. The lower hinge device 32 is located below the deck pan 13, and the upper hinge device 32 is located above the uppermost shelf 12. Further, since the pivot shaft 36 of the hinge device 32 is also located outside the region from which the shelf 12 is pulled out, the shelf 12 is shown in FIG. 8 by opening the left and right transparent doors 31, 31 of the door device D. Similarly, the deck pan 13 can also be pulled forward from the opening 14 as shown in FIG.

  As described above in detail, in the present invention, the double door type transparent doors 31 and 31 for closing the opening 14 of the display chamber 8 so as to be openable and closable, and the upper edge and the lower edge of the opening 14 are provided. And the hinge device 32 that pivotally supports the lower edge portion, so that the heat insulating wall 2 having a U-shaped cross section and the side plate 5 attached to the side surface of the heat insulating wall 2 as in the embodiment. The heat insulating wall 2 is partitioned by the partition plate 4 to form the display chamber 8 and the duct 6, and the cold air cooled by the cooler 21 disposed in the duct 6 is discharged from the upper edge of the opening. The transparent door 31 is attached to the front side of the cold air outlet 17 and the cold air inlet 18 of the open showcase 1 that forms a cold air curtain in the opening by discharging from the outlet 17 and sucking from the cold air inlet 18 at the lower edge of the opening. Open showcase It is possible to prevent or suppress the cold air leakage or intrusion of external air was 1 in destiny.

  In this case, since the upper edge and the lower edge of the transparent door 31 are pivotally supported by the hinge device 32, the open showcase 1 is not modified or simple parts are attached. Only, it becomes possible to change the open showcase 1 to the low temperature showcase S with a transparent door.

  In particular, even when the shelf 12 and the deck pan 13 can be drawn forward from the opening 14 of the display chamber 8, the transparent door 31 is open and positioned outside the region where the shelf 12 and the deck pan 13 are pulled out. Therefore, by opening the transparent door 31, the shelf 12 and the deck pan 13 can be pulled forward from the opening 14 without any trouble. Thereby, the presence of the transparent door 31 can also avoid the inconvenience that the product replenishment work on the shelf 12 and the deck pan 13 deteriorates.

  Further, since the hinge device 32 pivotally supports the upper edge portion and the lower edge portion of the transparent door 31, the hinge device 32 does not interfere with the drawer of the shelf 12 and the deck pan 13, and the width of the shelf 12 and the deck pan 13 is reduced. The inconvenience that must be eliminated is also eliminated.

  Further, the hinge device 32 rotates the transparent door 31 in the closing direction when the opening degree of the transparent door 31 is less than 90 degrees and in the opening direction when the opening degree is larger than 90 degrees. When the transparent door 31 is opened for removal, the inconvenience of leaving the transparent door 31 open is solved, and when the product is replenished on the shelf 12 or the deck pan 13, the transparent door 31 is moved from 90 degrees. Since the open state is maintained by largely opening, workability is remarkably improved.

  In the embodiment, a hinge device having one rotating shaft is used, but a so-called multi-axis hinge device is used so that the transparent door 31 can be retracted outside the region where the shelf 12 is pulled out when opened. May be.

D door device S low-temperature showcase 1 open showcase 2 heat insulation wall 4 partition plate 6 duct 8 display room 12 shelf 13 deck pan 14 opening 17 cold air outlet 18 cold air inlet 19 blower 21 cooler 22 canopy 24 upper panel 31 transparent door 32 Hinge device 33, 34 Mounting member 36 Rotating shaft 38 Holding part

Claims (7)

In a showcase with a shelf for displaying products and a deck pan in a display room with an open front,
A heat insulating wall having a U-shaped cross section, and a side plate attached to a side surface of the heat insulating wall;
A double door type transparent door that freely closes and opens the opening of the display room;
A hinge device provided at the upper and lower edges of the opening, and pivotally supporting the upper and lower edges of the transparent door;
The shelf and the deck pan are freely drawable forward from the opening of the display room,
The transparent door is located outside an area where the shelf and deck pan are pulled out in an open state ,
The hinge device has a rotation shaft and a holding portion for holding the transparent door,
The holding portion is configured in a key shape that is bent from an end portion of the portion that holds the transparent door and connected to the rotating shaft,
The showcase according to claim 1, wherein the rotation shaft is located outside the front end of the side plate in a direction in which the shelf is pulled out .   2. The hinge device according to claim 1, wherein the hinge device rotates the transparent door in a closing direction when the opening degree of the transparent door is less than 90 degrees and in an opening direction when the opening degree is larger than 90 degrees. Showcase. Wherein the insulating wall is constituted by said side plates, said by partitioning the heat insulating wall at partition plate, wherein forming the display chamber and the duct, said cooled cold air by a cooler which is disposed in the duct The transparent door on the front side of the cold air outlet and the cold air inlet of the open showcase that forms a cold air curtain in the opening by discharging from the cold air outlet of the upper edge of the opening and sucking from the cold air inlet of the lower edge of the opening The showcase according to claim 1, wherein the showcase is attached. The said rotation axis | shaft is located in the outer side in the direction in which the said shelf is pulled out rather than the said transparent door in the state with which the said transparent door was obstruct | occluded. Showcase. The said transparent door can be located in the outer side rather than the inner side edge part of the said rotating shaft in the width direction of the said shelf in the open state. A showcase according to any of the above. The said holding | maintenance part can be located in the outer side rather than the inner side edge part of the said rotating shaft in the width direction of the said shelf in the state in which the said transparent door was open | released. 5. The showcase according to any one of 5. The mounting member further includes a mounting member that mounts the hinge device to the heat insulating wall, and the mounting member has a portion that is located outside the front end of the side plate in a direction in which the shelf is pulled out, and a portion that is located outside the mounting portion. The showcase according to claim 1, wherein the pivot shaft is attached to the showcase.

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