JP2007175130A - Open showcase - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an open showcase capable of achieving improvement of the cooling efficiency and reduction of the running cost while keeping the easiness in taking out commodities and the sanitariness. <P>SOLUTION: In the open showcase 1, the inside of a display compartment 8 opened to the front side is cooled or heated. The open showcase has a display compartment cover 30 disposed to close the opening of the display compartment 8. The display compartment cover 30 is composed of a plurality of hard cover members 31 with outlets 35 through which commodities displayed inside the display compartment 8 can be taken out. The area other than the outlet 35 of each hard cover member 31 is made of a hard wall through which the inside of the display compartment 8 is visible. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an open showcase formed by cooling or heating a display chamber that opens to the front.

  2. Description of the Related Art Conventionally, an open showcase formed by cooling a display chamber that opens to the front has a main body constituted by a heat insulating wall having a substantially U-shaped cross section and side plates attached to both sides of the heat insulating wall. A partition plate is attached to the inside of the heat insulating wall, a duct is formed between the partition plate and the heat insulating wall, and a display chamber opened to the front is formed inside the partition plate. A cool air discharge port communicating with the duct is formed at the upper edge of the front opening of the display chamber, and a cool air suction port communicating with the duct is formed at the lower edge of the opening. In this duct, a cooler and a blower for circulating cold air are installed, and cool air cooled to a predetermined temperature in the duct is discharged from the cold air discharge port while forming an air curtain at the front opening of the display chamber. After circulating through the display room, the air is sucked in from the cold air inlet and returned to the duct again. The display room is cooled to a predetermined temperature by such cold air circulation (see, for example, Patent Document 1).

  However, since the open showcase is installed in the store, the air curtain formed in the front opening of the display room can be disturbed by the traffic of people and the wind from the air conditioning equipment in the store. Many. Due to the occurrence of this disturbance, the cool air in the display room is likely to leak to the outside, the cooling efficiency decreases, the product cannot be cooled to a predetermined temperature, or the energy consumption increases and the running cost increases. There's a problem.

Therefore, a transparent warm bath made of soft synthetic resin, a roll curtain night cover that can be pulled out from the upper edge of the opening, and the like are attached to the front opening of the display room to protect the disturbance of the air curtain and Controls cold air leakage. On the other hand, there is a so-called flat-type showcase formed by cooling the display chamber that opens to the upper surface, which is provided with a cool air cover that covers the upper surface opening so as to be openable and closable. This prevents inflow of outside air into the display room and suppresses the inconvenience that the temperature in the display room rises.
JP 2002-295958 A

  However, the above-described warmth made of soft synthetic resin in the front opening of the display room is transparent so that the products in the display room can be easily seen from the outside. Each time the product is taken out, it comes into contact with the warmth, so that there is a problem that the transparency is gradually lowered and the display effect of the product is lowered. Furthermore, when the transparency of warmth is lowered and dirt is attached, there is a problem that the hygiene feeling of the goods displayed in the display room is impaired and the significance as the goods display is lost.

  In addition, since the night cover provided in the opening of the display room is pulled out outside business hours and covers the opening of the display room, the customer cannot visually recognize the product when using the night cover. In order to view or take out the product, the night cover must be stored. Therefore, it is difficult to improve the cooling efficiency by using a night cover during business hours.

  Further, as described above, there is a cooling cover used in a flat-type showcase. In this case, the cool air that cools the display room stays in the showcase and separates the outside from the air curtain. Therefore, the rectification of the air curtain was not considered.

  Accordingly, the present invention has been made to solve the conventional technical problems, and is an open show that can improve the cooling efficiency and reduce the running cost while maintaining the ease of taking out the goods and the hygiene. Provide a case.

  The open showcase of the present invention is formed by cooling or heating the display chamber that opens to the front surface, and includes a display chamber cover that is provided so as to close the opening of the display chamber. The product has a plurality of product outlets through which the products displayed in the display room can be taken out, and a portion other than each product outlet is a hard wall that can be seen through the display room.

  The open showcase according to a second aspect of the present invention is characterized in that, in the above-mentioned invention, the display chamber cover is composed of a plurality of hard cover members that extend in the vertical direction and are arranged in parallel on the left and right.

  The open showcase of the invention of claim 3 is characterized in that, in each of the above inventions, an air curtain is formed at the opening of the display chamber, and the display chamber cover is provided along the outside of the air curtain. And

  The open showcase according to a fourth aspect of the present invention is characterized in that, in the above invention, the display chamber cover is provided from the upper edge to the lower edge of the opening of the display chamber.

  The open showcase of the invention of claim 5 is characterized in that, in the above invention, the upper end of the commodity outlet is located below the upper edge of the opening.

  The open showcase according to a sixth aspect of the present invention is characterized in that, in the third aspect of the present invention, the display chamber cover is erected from the lower edge of the opening of the display chamber over a predetermined height.

  The open showcase according to a seventh aspect of the present invention is characterized in that, in the fourth to sixth aspects of the invention, the lower end of the commodity outlet is located above the lower edge of the opening.

  The open showcase of the invention of claim 8 is characterized in that, in each of the above inventions, a hollow heat insulating space is formed in the hard wall of the display cover.

  The open showcase of the invention of claim 9 is characterized in that, in the above invention, an illumination device is provided in the heat insulating space.

  According to the open showcase of the present invention, the display room opened to the front is cooled or heated, and provided with a display room cover provided to close the opening of the display room, the display room The cover has a plurality of product outlets that can take out the products displayed in the display room, and the parts other than the product outlets are hard walls that can be seen through the display room. In addition, it is possible to easily take out products displayed in the display chamber from the product outlet, and it is possible to suppress cooling of the display chamber or leakage of heated air.

  Therefore, it is possible to improve the cooling efficiency or heating efficiency in the display room while maintaining the ease of taking out the product, and exhibit an energy saving effect while correcting insufficient cooling or insufficient heating in the display room. Thus, the running cost can be reduced.

  In addition, since the display room cover is configured with a hard wall that allows the display room to be seen through the portion other than the product outlet, the display room cover can be easily seen and the inconvenience that impairs the display effect is suppressed. Can do. Since the product can be taken out from the product outlet, the product can be taken out without touching the display room cover, and hygiene is improved. Further, even when the product or customer's fingers come into contact with the display room cover when taking out the product, it is possible to suppress inconvenience that the stain soaks up and the transparency is impaired compared to the soft warm bath. . Even when dirt is attached, the dirt can be easily wiped off, and hygiene can be improved.

  According to the invention of claim 2, in the above invention, since the display chamber cover is composed of a plurality of hard cover members extending in the vertical direction and arranged in parallel on the left and right, the number of use of the hard cover members By changing, it becomes possible to deal with showcases having different opening widths of the display room, and versatility is improved. For this reason, it is possible to reduce the cost of parts, and to suppress an increase in production cost.

  According to the invention of claim 3, in each of the above inventions, an air curtain is formed at the opening of the display chamber, and the display chamber cover is provided along the outside of the air curtain. With the cover, it is possible to suppress inconveniences in which the air curtain is disturbed due to the traffic of people and the disturbance from the air conditioning equipment in the store, and the cooling efficiency or the heating efficiency is reduced.

  In particular, when the display chamber cover is composed of a plurality of hard cover members extending in the vertical direction, an air curtain is formed along each hard cover member. The cooling efficiency in the display room or the heating efficiency can be further improved.

  According to the invention of claim 4, in the above invention, the display chamber cover is provided from the upper edge to the lower edge of the opening of the display chamber. It becomes possible to protect over the lower end, and the rectifying effect of the air curtain can be improved, and this can also improve the cooling efficiency or the heating efficiency in the display chamber.

  Further, since the upper end of the commodity outlet is located below the upper edge of the opening as in the invention of claim 5, the display chamber cover can block the flow path of the air curtain from the upper edge of the opening by the display chamber cover. This can further improve the rectifying effect of the air curtain.

  According to the invention of claim 6, in the invention of claim 3, the display chamber cover is erected over a predetermined height from the opening lower edge of the display chamber. Alternatively, leakage of heated air can be suppressed. Since there is no display room cover at the top of the opening of the display room, it is possible to take out products even if the product is larger than the take-out width of the product outlet, and diversify the products to be displayed Can do. As a result, it is possible to improve convenience while realizing energy saving.

  According to the invention of claim 7, in the inventions of claims 4 to 6, the lower end of the product outlet is located above the lower edge of the opening. It can be closed by the display chamber cover, and the air curtain rectifying effect and the cooling or heating air leakage inhibiting effect can be further improved.

  According to the invention of claim 8, in each of the above inventions, a hollow heat insulating space is formed in the hard wall of the display cover, so that it is possible to cool the display chamber or improve the heating efficiency. Thus, the running cost can be reduced. In particular, when the display room is cooled and used, by forming a heat insulating space in the hard wall of the display cover, it is possible to prevent the occurrence of condensation, and display due to the hard wall becoming cloudy Decrease in the effect can be avoided, and the visibility of the product can be improved.

  According to the invention of claim 9, in the above invention, since the lighting device is provided in the heat insulation space, it is possible to illuminate the products displayed in the display room from almost the front, improving the lighting effect. The display effect of goods can be improved.

  Hereinafter, a first example to a third example will be described in detail with reference to the drawings.

  An open showcase 1 according to a first embodiment will be described with reference to FIGS. 1 is a perspective view of the open showcase 1, FIG. 2 is a front view of the open showcase 1 in FIG. 1, FIG. 3 is a vertical side view of the open showcase 1 in FIG. 1, and FIG. FIG.

  The open showcase 1 in the present embodiment is used to display and sell refrigerated food, frozen food, warmed food, etc. while cooling or warming in a supermarket or the like, for example. The main body 4 is constituted by the heat insulating wall 2 having a substantially U-shaped cross section and the side plates 3 and 3 attached to both sides of the heat insulating wall 2.

  A partition plate 6 is attached to the inside of the heat insulating wall 2, and a duct 7 is formed between the partition plate 6 and the heat insulating wall 2, and a display chamber 8 that opens to the front is formed inside the partition plate 6. Has been. 9 is a shelf device installed in a plurality of stages in the display chamber 8, and 12 is a fluorescent lamp for illumination attached to the upper edge of the front opening. As shown in FIG. 3, an electric heater 10 is disposed on the shelf plate 9 </ b> A constituting the shelf device 9. The electric heater 10 is configured to be energized and controlled by a control device 11 described later in detail.

  A cold air discharge port 13 communicating with the duct 7 is formed at the upper edge of the front opening of the display chamber 8, and a cold air suction port 14 communicating with the duct 7 is formed at the lower edge of the opening. And in this duct 7, the cooler 17 and the air blower 18 for cold air circulation are arrange | positioned. In this embodiment, the cold air discharge port 13 is partitioned by the fluorescent lamp 12 and the heat insulating partition wall 12A, and the lower end is formed so as to face below the cold air discharge port 13. .

  On the other hand, a machine room 19 is formed in the lower part of the main body 4 below the heat insulating wall 2. The machine room 19 includes a compressor 20, a condenser 21, a blower 22 for air-cooling the machine room 19, and evaporation. A dish 23 and the control device 11 are disposed. The compressor 20, the condenser 21, the decompression device (not shown), and the cooler 17 constitute a known refrigerant circuit. A front panel 24 having a plurality of air inlets 24A is detachably provided on the front surface of the machine room 19. A back panel 26 is provided on the back surface of the heat insulating wall 2 with a predetermined interval, and a heat exhaust duct 27 opened upward is formed between the back panel 26 and the back surface of the heat insulating wall 2, so that the heat exhaust is performed. The duct 27 is configured to communicate with the rear portion of the machine room 19. Thus, the air sucked into the machine room 19 through the front panel 24 is discharged outside through the heat exhaust duct 27 after the inside of the machine room 19 is air-cooled.

  On the other hand, a display chamber cover 30 is attached to the front opening formed on the front surface of the display chamber 8 from the upper edge of the opening to the lower edge of the opening. The display chamber cover 30 includes a plurality of hard cover members 31 in the present embodiment. Here, the display chamber cover 30 and the hard cover member 31 will be described with reference to FIGS. 5 is a perspective view of the hard cover member 31, FIG. 6 is a plan sectional view of the hard cover member 31, FIG. 7 is an enlarged top view of the open showcase 1 with the display chamber cover 30 attached, and FIG. 8 is a display chamber. The lower part enlarged view of the open showcase 1 of the state to which the cover 30 was attached is shown.

  The hard cover members 31 respectively extend in the vertical direction, and in the present embodiment, four hard cover members 31 are provided side by side to constitute the display chamber cover 30. The hard cover member 31 includes main bodies 32 and 32 that extend in the vertical direction and constitute both sides, an upper constituent member 33 that connects the upper ends of both the main bodies 32 and 32, and lower ends of both the main bodies 32 and 32. The main body 32, 32 is formed of a hard wall of hard synthetic resin that allows the inside to be seen through.

  A product outlet 35 is formed in a space surrounded by the inner ends of the main bodies 32, 32 and the lower end of the upper constituent member 33, and further by the upper end of the lower constituent member 34. The product take-out port 35 is an opening that enables the product displayed on the shelf device 9 to be taken out when the hard cover member 31 is provided in the front opening of the open showcase 1. In the present embodiment, the width dimension of the commodity outlet 35, that is, the separation distance between both the main bodies 32, 32, is the commodity when the width dimension of the commodity displayed in the open showcase 1 is about 40 mm, for example. It is assumed that it is about 60 mm considering the width dimension of a finger for taking out the finger, for example, 20 mm.

  As shown in FIG. 6, each of the main bodies 32 and 32 has a substantially U-shaped cross section that opens inward, and a hollow heat insulating space 32 </ b> B is formed on the front wall 32 </ b> A located on the front surface of the open showcase 1. It is formed over. Note that the end face of the front wall 32A constituting the heat insulation space 32 on the side of the product outlet 35 has a curved shape formed with a predetermined curvature, and when the product in the display chamber 8 is taken out, a display chamber cover is provided. Even if a finger touches 30, it is difficult to be injured.

  Further, the upper component member 33 in the present embodiment is made of a metal material, and a notch 33 </ b> A opening upward is formed on the side wall located on the upper side surface of both the main bodies 32, 32. It is assumed that the cutout 33A has a shape that can be engaged with the lower end of the heat insulating partition wall 12A as shown in FIG. Further, a screw hole 33B is formed in the front wall of the upper component member 33, and the upper component member 33 can be fixed to the front wall 2A of the heat insulating wall 2 by a decorative screw 36 from the display chamber 8 side. Yes.

  On the other hand, the lower component 34 in the present embodiment is also made of a metal material, and the lower end is cut into a shape that can be inserted into and fixed to the cool air inlet 14 formed at the lower edge of the front opening of the display chamber 8. It shall be formed.

  With this configuration, in this embodiment, the lower component 34 constituting the lower end of each hard cover member 31 is inserted into the cold air inlet 14 formed at the lower edge of the front opening of the display chamber 8, and the upper end of the hard cover member 31 is inserted. The notch 33A of the upper component member 33 constituting the is engaged with the lower end of the heat insulating partition wall 12A. Thereafter, fingers are inserted from the product outlet 35, and the upper component member 33 is fixed to the front wall 2 </ b> A of the heat insulating wall 2 by the decorative screw 36 from the display chamber 8 side.

  In this embodiment, the front opening of the display chamber 8 is closed by arranging four hard cover members 31 extending in the vertical direction. Each hard cover member 31 has an L-shaped metal fitting 37 disposed at a corner of each main body 32 as shown in FIG. 6 and is fastened together with an L-shaped metal fitting 37 attached to the adjacent hard cover member 31. Thus, the hard cover members 31 are connected to each other, and the hard cover members 31 are stably fixed to the front opening of the display chamber 8.

  With such a configuration, when the inside of the open showcase 1 is used at a refrigerated temperature, the control device 11 operates the compressor 20 and the fans 18 and 22 based on the instruction for the cooling operation. As a result, the high-temperature refrigerant discharged from the compressor 20 flows into the condenser 21, where it is cooled by the outside air sucked by the operation of the blower 22. The refrigerant that dissipates heat and condenses in the condenser 21 is decompressed by the decompression device, and then flows into the cooler 17 and evaporates. At this time, it removes latent heat from the surroundings and exhibits a cooling effect.

  The cool air cooled by heat exchange with the cooler 17 is blown up in the duct 7 by operating the blower 18, and is directed from the cool air discharge port 13 toward the cool air suction port 13 at the lower edge of the opening of the display chamber 8. Discharged. As a result, an air curtain made of cold air is formed in the opening of the display chamber 8 and a part of the cool air circulates in the display chamber 8 to cool the display chamber to a predetermined temperature.

  At this time, since the display room cover 30 is provided along the outside of the air curtain blown out from the cold air discharge port 13, the display room cover 30 is caused by disturbances caused by passenger traffic or wind from air conditioners in the store. The disadvantage that the air curtain is disturbed and the cooling efficiency is reduced can be suppressed.

  Further, since the air curtain flows down along the rear surface of each of the hard cover members 31 extending vertically from the upper edge of the display chamber cover 30, that is, the opening of the display chamber 8, the air curtain It is possible to protect from the upper end to the lower end, and it is possible to improve the rectifying effect of the air curtain, and it is also possible to improve the cooling efficiency in the display chamber 8.

  In addition, since the display room cover 30 is provided with a product outlet 35, the product displayed on the shelf device 9 in the display room 8 with the display room cover 30 protecting the air curtain attached thereto. In addition to being able to be easily taken out, it is possible to suppress the leakage of cold air and the inflow of outside air in the display chamber 8 as compared with the conventional open showcase.

  Therefore, it is possible to improve the cooling efficiency in the display room 8 while maintaining the ease of taking out the product, to correct the insufficient cooling in the display room 8, and to exhibit the energy saving effect, and to reduce the running cost. Can be reduced.

  Further, the display chamber cover 30 is composed of main bodies 32 and 32 that are hard walls that allow the display chamber 8 to be seen through, except for the product outlet 35, so that the inside of the display chamber 8 can be easily visually confirmed. Inconvenience that impairs the display effect can be suppressed. Since the product can be taken out from the product take-out port 35, the product can be taken out without touching the display chamber cover 30, and hygiene is improved. Further, even when a product or a customer's fingers come into contact with the display room cover 30 when the product is taken out, it suppresses inconvenience that the stain soaks up and the transparency is impaired as compared with the conventional soft warm bath. be able to. Even when dirt is attached, the dirt can be easily wiped off, and hygiene can be improved.

  Furthermore, since the display chamber cover 30 in the present embodiment is composed of a plurality (four) of hard cover members 31 that extend in the vertical direction and are provided on the left and right, the number of hard cover members used can be changed. Thus, it becomes possible to deal with showcases having different opening widths of the display chamber 8, and versatility is improved. For this reason, it is possible to reduce the cost of parts, and to suppress an increase in production cost.

  Further, since a hollow heat insulating space 32B is formed on the front surface of each hard cover member 31 constituting the display chamber cover 30, the cooling efficiency in the display chamber 8 can be improved, and running Cost reduction can be realized. In particular, in the case where the inside of the display chamber 8 is cooled and used as in the present embodiment, by forming the heat insulating space 32B in the main body 32 of the display cover 30, the occurrence of condensation can be prevented. A reduction in display effect due to clouding of the main body 32 can be avoided, and the visibility of the product can be improved.

  On the other hand, when the inside of the open showcase 1 is used at the warming temperature, the control device 11 energizes the electric heaters 10 provided in each shelf device 9 based on the instruction of the heating operation. Thereby, each shelf board 9A and the said shelf board 9A upper part are heated, and the inside of the display chamber 8 is heated to predetermined temperature.

  Even in such a case, since the merchandise outlet 35 is provided in the display chamber cover 30, the merchandise displayed on the shelf device 9 in the display chamber 8 can be easily obtained with the display chamber cover 30 attached. In addition to being able to take out, it is possible to suppress the leakage of warmed air and the inflow of outside air in the display chamber 8 as compared with the conventional open showcase.

  Therefore, it is possible to improve the heating efficiency in the display room 8 while maintaining the ease of taking out the product, and to exhibit the energy saving effect while correcting the insufficient heating in the display room 8, The running cost can be reduced.

  Further, in the heat insulating space 32B of the hard cover member 31 constituting the display chamber cover 30 as described above, an illuminating device 39 made of LEDs or fluorescent lamps for irradiating illumination light into the display chamber 8 as shown in FIG. It may be arranged extending vertically. Thereby, it becomes possible to illuminate the product displayed in the display room 8 from almost the front, and it is possible to improve the display effect of the product by improving the illumination effect.

  In addition, since the display room cover 30 is detachably attached to the opening of the display room 8, the display room cover 30 can be attached to the opening of the display room 8 as necessary. Even an open showcase can be attached.

  In the present embodiment, the hard cover member 31 constituting the display chamber cover 30 is fixed by fitting into the front opening of the display chamber 8, but in addition to this, in the display chamber 8 In order to facilitate the product replenishment operation, the provided shelf device 9 may be configured to be openable when the shelf device 9 is provided so that it can be pulled out forward. That is, as shown in FIG. 10, the hard cover members 31 are fixed in pairs, and pivot members 38 are provided at the side end portions of the hard cover member 31 located at the opening side end of the display chamber 8, It shall be attached to the opening side end of the display chamber 8 so as to be rotatable. In order to easily open and close the display chamber cover 30, the lower end of the lower component 34 of the display chamber cover 30 is provided above the lower edge of the front opening of the display chamber 8.

  Accordingly, the display chamber cover 30 can be provided in a double-spreading manner with respect to the opening of the display chamber 8, and the shelf device 9 in the display chamber 8 can be pulled forward by opening the display chamber cover 30. It becomes possible. Therefore, even when the display room cover 30 is provided, it is possible to easily pull out the shelf device 9 and replenish the goods on the shelf.

  Next, with reference to FIG. 11 thru | or FIG. 17, the open showcase 40 of the 2nd Example provided with the display room cover 41 is demonstrated. 11 is a perspective view of the open showcase 40, FIG. 12 is a front view of the open showcase 40 in FIG. 12, FIG. 13 is a cross-sectional plan view of the open showcase 40 in FIG. 15 is a plan sectional view of the hard cover member 42, FIG. 16 is an enlarged top view of the open showcase 40 with the display chamber cover 41 attached, and FIG. 17 is an open show with the display chamber cover 41 attached. A lower enlarged view of the case 40 is shown. In each figure, the same reference numerals as those in the first embodiment have the same effects as those in the first embodiment. Moreover, since the open showcase 40 in the said 2nd Example is set as substantially the same structure about structures other than the display room cover 41, description is abbreviate | omitted.

  A display chamber cover 41 is attached to the front opening formed on the front surface of the display chamber 8 in this embodiment from the upper edge of the opening to the lower edge of the opening. The display chamber cover 41 is composed of a plurality of hard cover members 42 in this embodiment.

  The hard cover members 42 respectively extend in the vertical direction, and in the present embodiment, four hard cover members 42 are arranged side by side to constitute the display chamber cover 41. The hard cover member 42 includes a main body 43 configured to extend in the vertical direction, an upper fixing member 44 provided at the upper end of the main body 43, and a lower component member 45 provided at the lower end of the main body 43. The

  The main body 43 is formed of a hard wall made of a hard synthetic resin that allows the inside to be seen through, has a substantially U-shaped cross section, and extends to the display chamber 8 side by a predetermined size at the upper end of the front wall 43A. A wall 43B is formed. In addition, a product outlet 46 is formed in the front wall 43A of the main body 43 so as to open up and down.

  Similar to the product outlet 35 in the above embodiment, the product outlet 46 can take out the products displayed on the shelf device 9 when the hard cover member 42 is provided in the front opening of the open showcase 40. Is an opening. Also in this embodiment, when the width dimension of the commodity outlet 46 and the width dimension of the commodity displayed in the open showcase 40 are, for example, about 40 mm, the width dimension of the finger for taking out the commodity, for example, 60 mm is taken into account. It is assumed to be a degree.

  The product outlet 46 has an upper end located below the upper end of the front opening when the display room cover 41 is attached to the front opening of the display room 8, and a lower end of the front opening. It is comprised so that it may be located above the lower end of. In particular, in this embodiment, the lower end of the product outlet 46 is lower than the second shelf device 9 installed in the display chamber 8 and is displayed on the lowest shelf device 9. It is assumed that it is formed to have a predetermined height that can be taken out. Thereby, the main body 43 located under the product outlet 46 constitutes the cold air receiving portion 47 that suppresses the leakage of the air in the lower part of the display chamber 8.

  As shown in FIG. 15, the main body 43 is formed with a hollow heat insulating space 43 </ b> C extending in the vertical direction on at least the front wall 43 </ b> A located on the left and right of the product outlet 46. The end surface of the product outlet 46 of the front wall 43A has a curved shape formed with a predetermined curvature, and when a finger touches the display chamber cover 42 when the product in the display chamber 8 is taken out. Even if there is, it is said that it is hard to get hurt.

  In addition, the upper fixing member 44 in this embodiment is a metal plate-like member that is bent and formed in a substantially L-shaped cross section that is attached to the corner portion formed by the upper wall 43B and the side wall 43D at the upper end of the main body 43. It is. A notch 44 </ b> A that opens upward is formed at the front end of the upper fixing member 44. The cutout 44A is assumed to have a shape that can be engaged with the lower end of the heat insulating partition wall 12A as shown in FIG. A long hole 44 </ b> B extending in the vertical direction is formed in the side wall of the upper fixing member 44. The long hole 44B is overlapped with a mounting hole (not shown) formed in the upper portion of the side wall 43D of the main body 43, so that the main body 43 is fastened together with the upper fixing member 44 attached to the adjacent hard cover member 42 by the screw 48. It is to be fixed.

  On the other hand, the lower component member 45 in the present embodiment is also made of a metal material, and the lower end is cut into a shape that can be inserted and fixed in the cold air inlet 14 formed at the lower edge of the front opening of the display chamber 8. It shall be formed.

  With this configuration, in this embodiment, the lower component member 45 constituting the lower end of each hard cover member 42 is inserted into the cold air inlet 14 formed at the lower edge of the front opening of the display chamber 8, and the upper end of the hard cover member 42 is The notch 44A of the upper fixing member 44 provided on the lower end is engaged with the lower end of the heat insulating partition wall 12A. Thereafter, fingers are inserted from the product outlet 46, and the upper fixing member 44 is inserted into the side wall 43D of the main body 43, the main body 43 of the adjacent hard cover member 42, and the main body 43 side by screws 47 from the display chamber 8 side. The upper fixing member 44 provided or the side plate 3 constituting the open showcase 40 is fixed together by fastening.

  In this embodiment, the front opening of the display chamber 8 is closed by arranging four hard cover members 42 extending in the vertical direction. As described above, each hard cover member 42 is connected by each upper fixing member 44, and each hard cover member 42 is stably fixed to the front opening of the display chamber 8.

  With such a configuration, when the inside of the open showcase 40 is used at a refrigerated temperature, the cooling operation is performed by the control device 11 and the blower 18 is operated, as in the above-described embodiment. The liquid is discharged from the outlet 13 toward the cold air inlet 13 at the lower edge of the opening of the display chamber 8. As a result, an air curtain made of cold air is formed in the opening of the display chamber 8 and a part of the cool air circulates in the display chamber 8 to cool the display chamber to a predetermined temperature.

  At this time, since the display room cover 41 is provided along the outside of the air curtain blown out from the cold air discharge port 13, the display room cover 41 is caused by a person's traffic or disturbance caused by wind from the air conditioner in the store. The disadvantage that the air curtain is disturbed and the cooling efficiency is reduced can be suppressed.

  In addition, the air curtain flows down along the rear surface of each of the hard cover members 41 extending vertically from the upper edge to the lower edge of the display chamber cover 41, that is, the opening of the display chamber 8. It is possible to protect from the upper end to the lower end, and it is possible to improve the rectifying effect of the air curtain, and it is also possible to improve the cooling efficiency in the display chamber 8.

  Further, since the merchandise outlet 46 is provided in the display chamber cover 41, the merchandise displayed on the shelf device 9 in the display chamber 8 with the display chamber cover 41 protecting the air curtain attached thereto. In addition to being able to be easily taken out, it is possible to suppress the leakage of cold air and the inflow of outside air in the display chamber 8 as compared with the conventional open showcase.

  Therefore, it is possible to improve the cooling efficiency in the display room 8 while maintaining the ease of taking out the product, to correct the insufficient cooling in the display room 8, and to exhibit the energy saving effect, and to reduce the running cost. Can be reduced.

  In particular, the display chamber cover 41 in the present embodiment is configured such that the upper end of the product outlet 46 is positioned below the upper edge of the front opening of the display chamber 8, so that the air curtain flows from the upper edge of the opening. The passage can be blocked by the display chamber cover 41, and the air curtain rectification effect can be further improved.

  Further, the lower end of the product outlet 46 is located above the lower edge of the front opening of the display chamber 8 and the cold air receiving portion 47 is formed, so that the air curtain flow path near the lower edge of the opening is covered with the display chamber cover. Thus, the air curtain rectifying effect and the cold air leakage inhibiting effect can be further improved.

  Further, the display chamber cover 41 in this embodiment is also composed of a main body 43 that is a hard wall that allows the inside of the display chamber 8 to be seen through, except for the product outlet 46, as in the above embodiment. The inside of the chamber 8 can be easily visually confirmed, and inconveniences that impair the display effect can be suppressed. Since the product can be taken out from the product take-out port 46, the product can be taken out without touching the display room cover 41, and hygiene is improved. Further, even when a product or a customer's fingers come into contact with the display room cover 41 when the product is taken out, it suppresses inconvenience that the stain penetrates and the transparency is impaired as compared with the conventional soft warm bath. be able to. Even when dirt is attached, the dirt can be easily wiped off, and hygiene can be improved.

  Furthermore, since the display chamber cover 41 includes a plurality of (four) hard cover members 42 extending in the vertical direction and provided side by side, the display chamber can be changed by changing the number of hard cover members used. Thus, it becomes possible to deal with showcases having different opening widths, and versatility is improved. For this reason, it is possible to reduce the cost of parts, and to suppress an increase in production cost.

  Further, since a hollow heat insulating space 43C is formed on the front surface of each hard cover member 42 constituting the display chamber cover 41, the cooling efficiency in the display chamber 8 can be improved, and running Cost reduction can be realized. In particular, in the case where the inside of the display chamber 8 is cooled and used as in the present embodiment, the formation of condensation can be prevented by configuring the heat insulating space 43C in the main body 43 of the display cover 41, A reduction in display effect due to clouding of the main body 43 can be avoided, and the visibility of the product can be improved.

  On the other hand, when the inside of the open showcase 40 is used at the storage temperature, the controller 11 performs a heating operation. Thereby, the inside of the display chamber 8 is heated to a predetermined temperature. Even in such a case, since the merchandise outlet 46 is provided in the display chamber cover 41, the merchandise displayed on the shelf device 9 in the display chamber 8 can be easily obtained with the display chamber cover 41 attached. In addition to being able to take out, it is possible to suppress the leakage of warmed air and the inflow of outside air in the display chamber 8 as compared with the conventional open showcase.

  Therefore, it is possible to improve the heating efficiency in the display room 8 while maintaining the ease of taking out the product, and to exhibit the energy saving effect while correcting the insufficient heating in the display room 8, The running cost can be reduced.

  In particular, the display chamber cover 41 is configured such that the upper end of the product outlet 46 is positioned below the upper edge of the front opening of the display chamber 8, so that the heated air in the display chamber 8 from the upper edge of the opening Can be suppressed, and the heating efficiency in the display chamber 8 can be further improved.

  Also in this embodiment, similarly to the above embodiment, an illumination device such as an LED or a fluorescent lamp may be disposed in the heat insulating space 43C of the hard cover member 42 constituting the display chamber cover 41. . In this case as well, the product displayed in the display chamber 8 can be illuminated almost from the front of the product, and the display effect can be improved.

  Further, since the display room cover 41 is detachably attached to the opening of the display room 8, the display room cover 41 can be attached to the opening of the display room 8 as necessary. Even an open showcase can be attached.

  Further, in this embodiment as well, as in the above embodiment, the hard cover member 42 constituting the display chamber cover 41 is not limited to be fitted and fixed to the front opening of the display chamber 8. Instead, the opening of the display chamber 8 may be configured to be freely rotatable. Thus, similarly to the above-described embodiment, the display chamber cover 41 can be provided in a double-spreading manner with respect to the opening of the display chamber 8, and the shelf device in the display chamber 8 can be provided by opening the display chamber cover 41. 9 can be pulled forward. Therefore, even when the display room cover 41 is provided, it is possible to easily pull out the shelf device 9 and perform the replenishment work of the products on the shelf.

  Next, with reference to FIGS. 18 to 24, an open showcase 50 of a third embodiment provided with a display room cover 51 will be described. 18 is a perspective view of the open showcase 50, FIG. 19 is a front view of the open showcase 50 of FIG. 18, FIG. 20 is a cross-sectional plan view of the open showcase 50 of FIG. 22 is a plan sectional view of the hard cover member 52, FIG. 23 is an enlarged top view of the open showcase 50 with the display room cover 51 attached, and FIG. 24 is an open show with the display room cover 51 attached. The lower enlarged view of case 50 is shown. In each figure, the same reference numerals as those in the first embodiment have the same effects as those in the first embodiment. Moreover, since the open showcase 50 in the said 3rd Example is set as substantially the same structure about structures other than the display room cover 51, description is abbreviate | omitted.

  A display chamber cover 51 is attached to the front opening formed on the front surface of the display chamber 8 in the present embodiment at the lower portion of the opening. The display chamber cover 51 includes a plurality of hard cover members 52 in this embodiment.

  The hard cover members 52 each extend in the vertical direction, and in the present embodiment, four hard cover members 52 are arranged side by side to constitute the display chamber cover 51. The hard cover member 52 includes a main body 53 configured to extend in the vertical direction and a lower component member 55 provided at the lower end of the main body 53.

  The main body 53 is formed of a hard wall of a hard synthetic resin that allows the inside to be seen through, has a substantially U-shaped cross section, and the main body 53 extends from the lower edge of the front opening of the display chamber 8 to the opening of the opening. In the middle, in this embodiment, it extends up and down to the height of the shelf device 9 located in the fourth stage from the bottom. At the rear end of the side wall of the main body 53, a flange 53C is formed that is bent at a substantially right angle inward. A product outlet 56 is formed in the front wall 53A of the main body 53 so as to open up and down.

  Similar to the product outlet 35 in the above embodiment, the product outlet 56 can take out products displayed on the shelf device 9 when the hard cover member 52 is provided in the front opening of the open showcase 50. Is an opening. Also in this embodiment, when the width dimension of the commodity outlet 56 and the width dimension of the commodity displayed in the open showcase 50 are, for example, about 40 mm, the width dimension of the finger for taking out the commodity, for example, 60 mm is taken into account. It is assumed to be a degree.

  The product outlet 56 is formed so that the upper end is opened upward, and the lower end is located above the lower end of the front opening of the display chamber 8. In particular, in this embodiment, the lower end of the product outlet 56 is lower than the second shelf device 9 installed in the display chamber 8 and is displayed on the lowest shelf device 9. It is assumed that it is formed to have a predetermined height that can be taken out. Thereby, the cold body receiving part 57 which suppresses that the air of the lower part of the display chamber 8 leaks is comprised by the main body 53 located under the goods outlet 56.

  As shown in FIG. 22, the main body 53 is formed with a hollow heat insulating space 53 </ b> B extending vertically on the front wall 53 </ b> A located at least on the left and right sides of the commodity outlet 56. The end surface of the product outlet 56 of the front wall 53B has a curved shape formed with a predetermined curvature, and when a finger touches the display chamber cover 52 when the product in the display chamber 8 is taken out. Even if there is, it is said that it is hard to get hurt.

  Further, the lower component member 55 in this embodiment is made of a metal material, and the lower end is notched in a shape that can be inserted and fixed in the cold air inlet 14 formed at the lower edge of the front opening of the display chamber 8. It is assumed that

  Further, the hard cover member 52 is attached to the front end of the shelf device 9 installed in the display chamber 8 by fixing members 58 and 58 that are detachably attached to both ends, in the present embodiment, the third shelf from the bottom. It is fixed to the front end of the device 9. The fixing member 58 is made of a steel plate material, and a notch 58A opening forward is formed in the upper edge of the rear portion as shown in FIG. The notch 58A is configured to be engageable with an end surface configured such that the front end of the shelf plate 9A of the shelf device 9 installed in the display chamber 8 is folded downward.

  In addition, the four hard cover members 52 are arranged in parallel in the lower part of the front opening of the display chamber 8, and the fixing member 58 is also used as a connecting member with the adjacent hard cover member 52. . That is, as shown in FIG. 22, the adjacent portion of the adjacent hard cover member 52, that is, both flanges 53 </ b> C and 53 </ b> C are fixed to the shelf device 9 at the front portion of the fixing member 58. In addition to the fixing member 58 for holding, a holding portion 58B for sandwiching and fixing from the rear is formed.

  The holding portion 58 </ b> B has a substantially U-shaped cross section that opens to the side of the side wall that contacts the adjacent hard cover member 52. An engagement hole (not shown) is formed in the rear part of the fixing member 58 and is arranged opposite to the other fixing member 58, and both engagement holes are overlapped and fixed with a decorative screw 59. It is possible. In addition, when the side wall of the said hard cover member 52 is contact | abutting to the inner wall of the heat insulation wall 2, it shall fix to the inner wall of the said heat insulation wall 2 with the decorative screw 59 by the fixing member 58. FIG.

  Accordingly, the notch 58A of the fixing member 58 is coupled to the shelf plate 9A of the shelf device 9, and is disposed opposite to the fixing member 58 for attaching the adjacent hard cover member 52, and the holding portions 58B of these fixing members 58 are arranged. Thus, the flanges 53C and 53C with which the hard cover members 52 abut are sandwiched, and the hard cover members 52 are connected by the decorative screws 59. Accordingly, each hard cover member 52 can be easily fixed to the shelf device 9 installed in the display chamber 8 and can be stably connected to the adjacent hard cover member 52, and can be attached to the inner wall of the heat insulating wall 2. It can be fixed stably.

  Since the fixing member 58 is not fixed to each hard cover member 52 in advance, it is fixed according to the height of the shelf device 9 installed in the display chamber 8 when the hard cover member 52 is attached. It is possible to determine the mounting height of the member 58. Therefore, even if the height position of the shelf device 9 installed in the display chamber 8 is changed, the hard cover member 52 can be easily fixed.

  With this configuration, in this embodiment, the lower component member 55 constituting the lower end of each hard cover member 52 is inserted into the cold air inlet 14 formed at the lower edge of the front opening of the display chamber 8, and the hard cover member 52 is inserted into each of the hard cover members 52. The fixing member 58 fixes the shelf device 9 installed in the display chamber 8 and the adjacent hard cover member 52 as well as the inner wall of the heat insulating wall 2 as described above.

  With such a configuration, when the inside of the open showcase 50 is used at a refrigerated temperature, the cooling operation is performed by the control device 11 and the blower 18 is operated, as in the above embodiment. The liquid is discharged from the outlet 13 toward the cold air inlet 13 at the lower edge of the opening of the display chamber 8. As a result, an air curtain made of cold air is formed in the opening of the display chamber 8 and a part of the cool air circulates in the display chamber 8 to cool the display chamber to a predetermined temperature.

  At this time, the display chamber cover 51 is provided at the lower portion of the front opening of the display chamber 8 located in the outside of the air curtain blown out from the cold air discharge port 13, in this embodiment, to the position of the shelf device 9 in the fourth stage from the bottom. Therefore, the display room cover 51 can suppress an inconvenience that the air curtain is disturbed due to a person's traffic or a disturbance caused by the wind from the air conditioner in the store and the cooling efficiency is lowered.

  Further, since the air curtain flows down along the display room cover 51, that is, the rear surface of each hard cover member 51 extending vertically, it is possible to protect the air curtain located at the lower part of the opening. The rectifying effect can be improved, and the cooling efficiency in the display chamber 8 can be improved also by this.

  In addition, since the merchandise outlet 56 is provided in the display room cover 51, the display room cover 51 is displayed on the shelf device 9 positioned below the display room 8 with the display room cover 51 protecting the air curtain attached. The product can be easily taken out, and the leakage of cool air and the inflow of outside air in the display chamber 8 can be suppressed as compared with the conventional open showcase.

  Therefore, it is possible to improve the cooling efficiency in the display room 8 while maintaining the ease of taking out the product, to correct the insufficient cooling in the display room 8, and to exhibit the energy saving effect, and to reduce the running cost. Can be reduced.

  In particular, since the display chamber cover 51 in this embodiment is erected from the lower edge of the opening of the display chamber 8 to a predetermined height, it suppresses the leakage of cooled air at the lower portion of the opening of the display chamber 8. be able to. Moreover, in the structure which concerns, since the display chamber cover 51 is not provided in the opening upper part of the display chamber 8, even if it is a product larger than the take-out width dimension of the product outlet 56, goods can be taken out, Products displayed in a single showcase can be diversified. As a result, it is possible to improve convenience while realizing energy saving.

  Further, the lower end of the product outlet 46 is located above the lower edge of the front opening of the display chamber 8 and the cold air receiving portion 57 is formed, so that the air curtain flow path near the lower edge of the opening is covered with the display chamber cover. Thus, the air curtain rectifying effect and the cold air leakage inhibiting effect can be further improved.

  Further, the display chamber cover 51 in this embodiment is also composed of a main body 53 that is a hard wall that can be seen through the display chamber 8 except for the product outlet 56, as in the above embodiment. The inside of the chamber 8 can be easily visually confirmed, and inconveniences that impair the display effect can be suppressed. Since the product can be taken out from the product take-out port 56, the product can be taken out without touching the display room cover 51, and hygiene is improved. Further, even when a product or customer's fingers come into contact with the display room cover 51 at the time of taking out the product, it is possible to suppress the inconvenience that the stain soaks up and the transparency is impaired as compared with the conventional soft warm bath. be able to. Even when dirt is attached, the dirt can be easily wiped off, and hygiene can be improved.

  Furthermore, since the display chamber cover 51 includes a plurality of (four) hard cover members 52 extending in the vertical direction and provided side by side, the display chamber can be changed by changing the number of hard cover members used. Thus, it becomes possible to deal with showcases having different opening widths, and versatility is improved. For this reason, it is possible to reduce the cost of parts, and to suppress an increase in production cost.

  In addition, since a hollow heat insulating space 53B is formed on the front surface of each hard cover member 52 constituting the display chamber cover 51, the cooling efficiency in the display chamber 8 can be improved, and running Cost reduction can be realized. In particular, in the case where the inside of the display chamber 8 is cooled and used as in the present embodiment, by forming the heat insulation space 53B in the main body 53 of the display cover 51, it is possible to prevent the occurrence of condensation. A reduction in display effect due to clouding of the main body 53 can be avoided, and the visibility of the product can be improved.

  On the other hand, when the inside of the open showcase 50 is used at the storage temperature, the controller 11 performs a heating operation. Thereby, the inside of the display chamber 8 is heated to a predetermined temperature. Even in such a case, since the merchandise outlet 56 is provided in the display chamber cover 51, the merchandise displayed on the shelf device 9 in the display chamber 8 can be easily obtained with the display chamber cover 51 attached. In addition to being able to take out, it is possible to suppress the leakage of warmed air and the inflow of outside air in the display chamber 8 as compared with the conventional open showcase.

  Therefore, it is possible to improve the heating efficiency in the display room 8 while maintaining the ease of taking out the product, and to exhibit the energy saving effect while correcting the insufficient heating in the display room 8, The running cost can be reduced.

  Also in this embodiment, similarly to the above embodiment, an illumination device such as an LED or a fluorescent lamp may be disposed in the heat insulating space 53B of the hard cover member 52 constituting the display chamber cover 51. . In this case as well, the product displayed in the display chamber 8 can be illuminated almost from the front of the product, and the display effect can be improved.

  Further, since the display room cover 51 is detachably attached to the opening of the display room 8, the display room cover 51 can be attached to the opening of the display room 8 as necessary. Even an open showcase can be attached.

  Further, in this embodiment as well, similar to the above embodiment, the hard cover member 52 constituting the display chamber cover 51 is limited to that fixed to the shelf device 9 of the display chamber 8 by the fixing member 58. Instead, the opening of the display chamber 8 may be configured to be freely rotatable. Thus, similarly to the above-described embodiment, the display chamber cover 51 can be provided in a double-spread manner with respect to the opening of the display chamber 8, and the display chamber in the display chamber 8 can be formed by opening the display chamber cover 51. The shelf device 9 positioned behind the cover 51 can be pulled out forward. Therefore, even when the display room cover 51 is provided, it is possible to easily pull out the shelf device 9 and replenish goods on the shelf.

It is a perspective view of an open showcase to which the present invention is applied. Example 1 It is a front view of the open showcase of FIG. Example 1 It is a vertical side view of the open showcase of FIG. Example 1 It is a cross-sectional top view of the open showcase of FIG. Example 1 It is a perspective view of a hard cover member. Example 1 It is a plane sectional view of the hard cover member of FIG. Example 1 It is an upper part enlarged view of an open showcase in the state where a display room cover was attached. Example 1 It is a lower part enlarged view of the open showcase in the state where the display room cover was attached. Example 1 It is a plane sectional view of the hard cover member provided with the illuminating device. Example 1 (Example 1) which is a front view of the open showcase of the state which opened the display room cover It is a perspective view of an open showcase to which the present invention is applied. (Example 2) It is a front view of the open showcase of FIG. (Example 2) It is a cross-sectional top view of the open showcase of FIG. (Example 2) It is a perspective view of a hard cover member. (Example 2) It is a plane sectional view of the hard cover member of FIG. (Example 2) It is an upper part enlarged view of an open showcase in the state where a display room cover was attached. (Example 2) It is a lower part enlarged view of the open showcase in the state where the display room cover was attached. (Example 2) It is a perspective view of an open showcase to which the present invention is applied. (Example 3) It is a front view of the open showcase of FIG. (Example 3) It is a cross-sectional top view of the open showcase of FIG. (Example 3) It is a perspective view of a hard cover member. (Example 3) It is a plane sectional view of the hard cover member of FIG. (Example 3) It is an upper part enlarged view of an open showcase in the state where a display room cover was attached. (Example 3) It is a lower part enlarged view of the open showcase in the state where the display room cover was attached. (Example 3)

Explanation of symbols

1, 40, 50 Open showcase 2 Heat insulation wall 2A Front wall 4 Body 6 Partition plate 7 Duct 8 Display room 9 Shelf device 9A Shelf plate 10 Electric heater 11 Control device 12A Heat insulation partition wall 13 Cold air discharge port 14 Cold air suction port 17 Cooling Vessel 18 Blower 30, 41, 51 Display chamber cover 31, 42, 52 Hard cover member 32, 43, 53 Main body 32A, 43A Front wall 32B, 43C Thermal insulation space 33 Upper component 33A Notch 33B Screw hole 34, 45, 55 Lower part Component member 35, 46, 56 Product outlet 36 Cosmetic screw 43B Upper wall 43D Side wall 44 Upper fixing member 44A Notch 44B Long hole 47, 57 Cold air receiving part 48 Screw 53C Flange 58 Fixing member 58A Notch 58B Holding part 59 Cosmetic screw

Claims (9)

In an open showcase formed by cooling or heating the display room that opens to the front,
A display room cover provided in the form of closing the opening of the display room;
The display room cover has a plurality of product outlets through which the products displayed in the display room can be taken out, and a portion other than each product outlet is a hard wall that can be seen through the display room. A featured open showcase.   2. The open showcase according to claim 1, wherein each of the display chamber covers includes a plurality of hard cover members that extend in the vertical direction and are arranged side by side. An air curtain is configured at the opening of the display room,
The open showcase according to claim 1 or 2, wherein the display room cover is provided along the outside of the air curtain.   The open showcase according to claim 3, wherein the display room cover is provided from the upper edge to the lower edge of the opening of the display room.   The open showcase according to claim 4, wherein an upper end of the commodity outlet is located below the upper edge of the opening.   The open showcase according to claim 3, wherein the display room cover is erected over a predetermined height from a lower edge of the opening of the display room.   The open showcase according to any one of claims 4 to 6, wherein a lower end of the commodity outlet is located above the lower edge of the opening.   The open showcase according to any one of claims 1 to 7, wherein a hollow heat insulating space is formed in the hard wall of the display cover.   The open showcase according to claim 8, wherein a lighting device is provided in the heat insulating space.

Images