JP3112270U - Refrigerated open storage case for food display - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cool shutter device for a showcase for food display, wherein the opening of the single and continuous showcase is almost completely closed, which is excellent in coolability and can prevent dew condensation. Therefore, it is possible to provide a cool cool shutter device that is easy to operate and easy to handle, quiet and can save a lot of power.
SOLUTION: A cold insulation film 2 is provided in an opening 27 on the front surface of a showcase 100, and the cold insulation film 2 is wound around a winding shaft 3 driven by a drive unit 4 (electric type) and is continuously connected. In the case of a mold, a sealing film 10 that closes a gap between adjacent showcases 100, 100 is wound around a roller shaft 11. The cold insulating film 2 and the sealing film 10 are fixed to a weight bar 5 that is laid across the lower end of the cold insulating film 2. As described above, the cold insulation film 2 and the sealing film 10 are moved up and down at the same time by the operation of the driving unit, and the opening 27 is closed.
[Selection] Figure 1

Description

  The present invention relates to a cold shutter device that closes an opening of a frozen display case for food display (hereinafter referred to as a showcase) provided in a department store, a supermarket, etc., and keeps the food cold, and is particularly simple in structure and easy to operate. The present invention relates to a cool cool shutter device that is quiet and has an energy saving effect.

  In department stores and supermarkets, there are showcases for displaying many frozen and refrigerated products. As this showcase, there are a single type and a continuous type. The opening of the showcase is open so that the food displayed inside can be easily taken during the time when the shopper frequently goes in and out. However, it is necessary to save power by preventing the cool air in the showcase from leaking at night or on holidays when the shopper disappears. For this reason, it is necessary to close the opening of the showcase, and various shutters are conventionally used.

As the shutter, a night cover type or a resin slat type is conventionally used. The night cover type is inexpensive and easy to use, and is equipped in most conventional showcases, but has a problem of low power saving effect and easy breakage. In addition, the resin slat type has a large power saving effect, but cold air is easily leaked, has a large weight, poor operability, a high price, and a long depreciation period. Furthermore, the resin slat type has a problem that the guide for guiding the slats at both ends is necessary for smooth operation, the handling is difficult and the maintenance is difficult, and the slats are easily damaged. Not welcome. Further, there is a cold insulation shutter device disclosed in “Patent Document 1” by the same applicant as the present invention, and this device has many advantages over the above-mentioned ones. There was a problem with smooth and quiet vertical movement of the membrane.
Utility Model Registration No. 3092740 (Figure 1)

  SUMMARY OF THE INVENTION The present invention solves the above-mentioned various problems, and aims to provide a cool cool shutter device with a simple structure, good handling and operability, quiet and high power saving effect. To do.

  In order to achieve the above object, the present invention provides a cold shutter device for closing a front opening surface of a freezer-refrigerated open showcase for food display (hereinafter abbreviated as a showcase). The cold insulation shutter device includes a cold insulation film that moves up and down to open and close the opening surface, a winding shaft that is horizontally mounted on the front upper portion of the showcase and on which the cold insulation film is wound, and drives the winding shaft. And a drive unit for raising and lowering the cold insulation film.

  Further, the invention of claim 2 is characterized in that the showcase is a continuous-type showcase, wherein the single winding shaft or a plurality of winding shafts are connected to each other and are integrally driven by a drive unit. And

  Further, the invention of claim 3 is characterized in that guide portions for slidably guiding the cold insulation film are formed on the side plates on the left and right side ends of the showcase.

  Further, the invention of claim 4 is provided with a sealing film for closing a gap generated between the cold insulation films of adjacent showcases in the continuous showcase, and the sealing film is provided in the vicinity of the winding shaft. The cold insulation film and the sealing film are connected to each other via a weight bar that is placed on the lower end of the cold insulation film, and the sealing film is wound on the roller shaft. A spring that biases in the direction is provided.

  The invention of claim 5 is characterized in that a seal member is provided at the lower end of the weight bar.

  Further, the invention of claim 6 is characterized in that a detection part for detecting the winding position and the lowering position of the cold insulation film and stopping the driving part by the detection signal is provided at the upper and lower parts of the showcase. To do.

  The invention of claim 7 is characterized in that the cold insulation film is made of a thick wall on the lower side.

  According to the cool cool shutter device for a show of claim 1 of the present invention, the cool cool film for closing the opening of the showcase is wound around the winding shaft operated by the drive unit (electric type) and moves up and down. Consists of a structure that can greatly improve handling and operability. In addition, the overall structure is compact and simple.

  In addition, according to the cool cool shutter device of the present invention, the winding shaft connected to the drive unit (electric type) is single or plural when the showcase is a continuous type. Since the two are connected and driven as a unit, the structure is simple, the operation is simple, and the cost is low.

  Further, according to the cool cool shutter device of the third aspect of the present invention, since the guide portions for guiding the cool film are provided between the both ends of the cool film and the side plates, the cool film can be smoothly moved up and down. In addition, leakage of cold air from both ends of the cold insulation film is prevented.

  Further, according to the cool cool shutter device of the fourth aspect of the present invention, the gap formed between the cool insulating films of the continuous type showcase is closed by the sealing film, and the leakage of the cold air from the gap is prevented. Since the sealing film and the cold insulating film are connected to each other via a weight bar, the sealing film is smoothly lowered simultaneously with the cold insulating film by the weight of the weight bar and the operation of the driving unit, and the sealing is performed. Since a spring for urging the sealing film in the winding direction is provided on the roller shaft of the film, the cold insulation film and the sealing film rise simultaneously.

  Further, according to the cool cool shutter device for shock of claim 5 of the present invention, since the seal member is provided at the lower end of the weight bar, the seal member comes into contact with the handrail of the showcase at the descending end. The leakage of cold air from the part is prevented, the impact at the lower end position of the weight bar is mitigated, and a quieter operation is ensured.

  In addition, according to the sixth embodiment of the present invention, the shock-preserving shutter device of the present invention is provided with a position detection detecting portion at the winding position and the lowering position of the cooling film, and the driving signal is driven at the vertical position by the detection signal. The stop is surely performed, and the safety of the apparatus can be improved.

  In addition, according to the cool cool shutter device of the present invention according to claim 7, since the lower side of the cool film is made thick, it is possible to improve the cool performance of the cool film and prevent condensation.

  DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a shock cool shutter device of the present invention will be described in detail below with reference to the drawings. FIG. 1 shows a showcase 100 provided with a cool cool shutter device 1 of the present invention. The showcase 100 is composed of a showcase main body 19 that surrounds the upper and lower sides, the left and right sides and the rear surface by a rear plate 14, a side plate 15 (FIG. 2), an upper plate 16, and a lower plate 17 and has a refrigeration space 18 inside. The showcase body 19 is provided with a cold air passage 20 through which cold air flows, a display shelf 21 for displaying food, and the like. 23 is provided. Further, a fan 24 and an evaporator 25 are provided in the cold air flow passage 20. An illumination lamp 26 is held on the front surface of the upper plate 16. An opening 27 is formed on the front side of the showcase body 19, and a handrail 28 is formed on the front side of the lower plate 17.

  The cool cool shutter device 1 for a show of the present invention is disposed in the opening 27 on the front surface of the showcase main body 19 and closes or opens the opening 27. The outside air side is shut off to prevent the leakage of cold air, and the inside display food is kept cold.

  As shown in FIG. 1 to FIG. 3, the cool cool shutter device 1 of the shokes has a cool cool film 2 for closing the opening 27 of the show case main body 19 and an upper plate of the show case main body 19 for winding this. 16 is composed of a winding shaft 3 horizontally mounted in the vicinity of the front of 16, a drive unit 4 (electric type) for rotating the winding shaft 3, a weight bar 5 horizontally mounted on the lower end of the cold insulation film 2, and the like. As shown in FIG. 2, the side plate 15 of the showcase body 19 is provided with a guide 6 that is inserted and guided by the end of the cold insulation film 2. A seal member 7 is provided on the lower surface of the weight bar 5. In addition, position detection units 8 and 9 that detect the upper and lower positions of the cold insulation film 2 are provided at the upper and lower portions of the showcase body 19. Further, as shown in FIG. 3, a sealing film 10 and a roller shaft 11 are provided between the adjacent cold insulating films 2 and 2. The roller shaft 11 is provided with a spring (not shown) that urges the sealing film 10 in the winding direction.

  With the above structure, the winding shaft 3 is rotated by operating the drive unit 4 and the cold insulation film 2 is moved up and down. The cold insulation film 2 is smoothly and silently guided by the guide 6, and its elevation position and lowering position are detected by the position detection units 8 and 9, and the operation of the drive unit 4 is smoothly stopped by the detection signal. Therefore, the safety of the device is ensured. Further, when the cold insulation film 2 is lowered to the lower end, the seal member 7 of the weight bar 5 comes into contact with the handrail 28, and the leakage of cold air at the lower end is prevented and the impact is alleviated. Thereby, the improvement of cold insulation and the safety and quietness of operation are maintained.

  2 is a single showcase 100. As shown in FIG. FIG. 3 shows a cold shutter device 1a of a continuous type of show. In this case, a gap 29 is formed between the adjacent showcases 100 and 100, and the internal cold air leaks from here as it is. In order to prevent this, a sealing film 10 is provided as shown in the figure, and functions to close the gap 29. The sealing film 10 is wound around a sealing film roller shaft 11 disposed in the vicinity of the winding shaft 3. In the case of a continuous display type showcase, one winding shaft 3 may be used, but the winding shafts 3 and 3 of each showcase may be connected by a connecting means 12 (for example, a universal joint). Further, as shown in FIG. 1, the roller shaft 11 of the sealing film 10 is arranged in the lower part of the rear side of the winding shaft 3 in the drawing, but the present invention is not limited to this. Good. Further, the lower end of the cold insulation film 2 is fixed to the weight bar 5 as described above, but the lower axis of the sealing film 10 is also fixed to the weight bar 5 as shown in FIGS. 3 and 4.

  With the above structure, by operating the drive unit 4, the respective winding shafts 3 are rotated, and the cold insulation film 2 and the weight bar 5 are moved up and down, whereby the sealing film 10 whose lower end is fixed to the weight bar 5. Will also go up and down together. That is, the operation of the drive unit 4 causes the cold insulation film 2 and the sealing film 10 to move up and down at the same time, enabling full automation, and operability and handling are greatly improved. As described above, leakage of cold air from the inside of the showcase 100 is prevented, and electric power can be greatly reduced.

  In the above description, although the cold insulation film 2 and the sealing film 10 are not particularly described, those that are as light as possible are desirable, and their functions are required to be cold insulation, heat insulation, and anti-condensation. , Natural fibers, cloth materials, etc. are used, but not limited thereto. Moreover, although the whole cold insulation film | membrane 2 may be a thing of uniform thickness, as shown in FIG. 5, the lower side is good that it is thicker than the upper side. In general, the condensation of the cold insulation film 2 is less on the upper side and more on the lower side. Therefore, it is desirable to make the lower side of the cold insulation film 2 thick to improve the cold insulation property and prevent condensation.

  Although the shock-proof cool shutter device has the above-described structure, the present invention is not limited to this, and it is needless to say that the same technical category is employed.

  Although the present invention is applied to a showcase for keeping food cold, the present invention is not limited to this, but can be applied to other showcases that need to be kept cold, and its range of use is wide.

The sectional side view which shows the showcase which provided the cool cool shutter device of the show of this invention. The front view in the case of a single showcase. The partial front view for demonstrating the arrangement structure of the cold insulation film | membrane and sealing film | membrane of a continuous-mount type showcase. The schematic diagram which shows arrangement | positioning with the cold insulation film | membrane, the winding axis | shaft which winds this, and the roller axis | shaft which winds a sealing film. The typical perspective view which shows the cold insulation film | membrane which makes a downward side thick.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Single-shock cool-keeping shutter device 1a Consecutive-type shock cool-shutter device 2 Cool-keeping film 3 Winding shaft 4 Drive part 5 Weight bar 6 Guide 7 Seal member 8 Position detection part 9 Position detection part 10 Sealing Membrane 11 Roller shaft 12 Connecting means 14 Rear plate 15 Side plate 16 Upper plate 17 Lower plate 18 Refrigerated refrigeration space 19 Showcase body 20 Cold air passage 21 Display shelf 22 Cold air outlet 23 Cold air inlet 27 Opening portion 28 Handrail 29 Clearance 100 Show Case

Claims (7)

  A cold insulation shutter device for closing a front opening surface of a freezer / refrigeration open showcase (hereinafter abbreviated as a showcase) for food display, the cold insulation shutter device being raised and lowered to open and close the opening surface And a winding shaft that is horizontally mounted on the front upper portion of the showcase and on which the cold insulation film is wound, and a drive unit that drives the winding shaft to raise and lower the cold insulation film. The cool shutter device for the show.   In the continuous showcase in which a plurality of the showcases are arranged side by side, the winding shaft is connected to a single one or a plurality of ones, and is integrally driven by a drive unit. 2. A cold shutter device for a show according to claim 1, wherein:   3. The cool cool shutter device for a show according to claim 1, wherein guide parts for slidably guiding the cool cool film are formed on side plates on both left and right ends of the showcase.   In the continuous showcase, a sealing film is provided to close a gap generated between the cold insulation films of adjacent showcases, and the sealing film is wound around a roller shaft disposed in the vicinity of the winding shaft. The cold insulation film and the sealing film are connected to each other via a weight bar that is horizontally mounted on the lower end of the cold insulation film, and a spring that biases the sealing film in the winding direction is provided on the roller shaft. 3. A cool shutter device for a show according to claim 2, wherein   5. The cold shutter device according to claim 4, wherein a seal member is provided at a lower end of the weight bar.   The detection unit for detecting a winding position and a lowering position of the cold insulation film and stopping the driving unit according to a detection signal is provided at an upper part and a lower part of the showcase. 2. A cool shutter device for a show described in 1.   7. The cold insulating shutter device according to claim 1, wherein the cold insulating film is thick at a lower side thereof.

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