JP2004097578A - Cold insulation shutter device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cold insulation shutter device perfectly closing a gap between cold insulation curtains or a gap between the cold insulation curtain and a showcase side plate to prevent leakage of cold air, especially making sealability in a lower part of a showcase perfect, having excellent operability and an excellent cold insulation property, made to be compact, and reduced in a cost. <P>SOLUTION: The gap 17 between the cold insulation curtains 3, 3 or the gap 19 between the cold insulation curtain 3 and the showcase side plate 18 is sealed by sealing films 1, 1a. The sealing films 1, 1a are drawn out of a winding roller 25 of a gap sealing means 2 disposed in a position of the lower part of the showcase 5 having no obstacle and are connected to the showcase side plate 18 or the cold insulation curtain 3. The connection is completed by only pressing the sealing films 1, 1a onto the cold insulation curtain 3 or the showcase side plate 18 to drastically improve connectivity. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a cooling shutter device for sealing a front opening and a gap of a showcase such as a department store or a food supermarket at the time of closing a store where work such as nighttime or holidays is not performed, and in particular, has a simple structure and seals a gap. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cold shutter device that can be stopped securely and easily and has a good appearance.
[0002]
[Prior art]
A relatively large showcase for displaying frozen products is arranged in a department store, a food supermarket, or the like, and a plurality of showcases are often arranged in a row adjacent to each other. Showcase side plates are arranged at both ends of the showcase to hold both sides of the showcase. The showcase has an opening at the front, and when the store is opened, the opening is open so that the frozen product can be freely entered and exited. On the other hand, when the store is closed (at night or on holidays), it is necessary to prevent cold air in the showcase from leaking and to save power. Therefore, even in the prior art, a cold-hold shutter device for closing the opening is used. As a conventional cold-holding shutter device, a night-curtain made of a thin synthetic resin or a slat-type cold-holding shutter device to a limited extent has been used.
[0003]
[Problems to be solved by the invention]
Night curtains, which are mainly used to close the openings of refrigerated showcases, are inexpensive but have poor heat insulation performance, and there are many gaps between the night curtains, especially at the lower part, so that cold insulation can be maintained. There are bad problems. As a known technique for closing a gap between night covers (night curtains), there is Japanese Patent Application Laid-Open No. 9-96486, which has a structure in which a short night cover for closing a gap is pulled out from above, and a long strip closing an opening. The feature is that the night hook and the short night cover have a structure in which the pulling hook position of the short night cover is adjusted such that the night cover and the short night cover can approach each other when the short night cover is pulled out. However, even with this structure, there is a problem that the sealing property of the gap is not perfect, and particularly, the sealing property of the lower gap is not sufficient. Also, there is a problem that the gap between the night cover and the showcase side plate is not sealed. As another known technique, there is Japanese Utility Model Laid-Open No. 58-93777, in which the edges of the cooling shutters are slightly overlapped so that no gap is formed between the cooling curtains (open / close sheets). In addition, the shafts of the adjacent cold insulating shutters are shifted up and down, and both shaft ends are held by vertically integrated bearings. Due to the above structure, leakage of cool air between the cool curtains is unavoidable, and a gap between the cool curtain and the showcase side plate is not sealed. Further, the size of the bearing portion is about twice as large as that of a normal case, which requires a large installation space, and also impairs the appearance of the upper part of the showcase. On the other hand, the slat type cold insulation shutter device has high heat insulation performance, and the gap between the cold insulation shutter and the gap between the cold insulation shutter and the showcase side plate is closed, so the coolness is good, but the weight is heavy, the operability is poor, and the guide rail is required. There is a problem that becomes expensive. In addition, a failure is likely to occur and maintenance is inferior.
[0004]
The present invention has been made to solve the above problems, and is compact, lightweight, inexpensive, has good operability and handleability, is quiet, has a good external appearance, and seals a gap over the entire upper and lower portions. An object of the present invention is to provide a cool shutter device capable of significantly improving the stopping performance.
[0005]
[Means for Solving the Problems]
According to the present invention, in order to achieve the above object, the cool keeping shutter device according to claim 1 is disposed above a front opening of a frozen and refrigerated multi-stage showcase for food display (hereinafter abbreviated as showcase). A cooling mechanism comprising a roller mechanism and a cooling curtain which is unwound and wound by the roller mechanism to open and close the opening, and seals gaps between the adjacent cooling curtains and between the cooling curtain and the showcase side plate. A cold sealing shutter device having a gap sealing means, wherein the gap sealing means covers the gap and is detachably connected via a connecting member fixed to a side edge of the cold insulating curtain or the showcase side plate. And a winding roller disposed at a lower portion of the showcase in the gap and for unwinding and winding the sealing film. . The feature of the present invention resides in that a sealing film which is separated from a cold insulation curtain is used, and a winding roller for unwinding and winding the sealing film is arranged at a lower portion of the showcase. As a result, various mechanisms are arranged in the upper part of the opening, but there is nothing at the lower part, and it is released from the complexity of securing the arrangement space, it can be arranged with a high degree of freedom, and the maintainability is greatly improved Can be improved. This facilitates the design and manufacture of the cool curtain and the sealing film. The sealing film is unwound from the lower winding roller when necessary, and connected to the cool curtain or the showcase side plate via a connecting member, and the connection is also performed by manual pressing, which is extremely simple and reliable. Can be connected. That is, since the sealing film is superimposed on and adhered to the insulated curtain, leakage from the gap is completely prevented, and the sealing performance can be greatly improved. In particular, since the sealing film is pulled up from the lower portion to a predetermined height and connected to the cooling curtain, the lower side where cold air leakage easily occurs is more completely sealed, and leakage from this portion is greatly improved. You. Further, since the sealing film is superimposed on and adhered to the cool curtain, the appearance is good. In addition, the whole can be compacted.
[0006]
Further, when the sealing film in the cool insulating shutter device according to claim 2 of the present invention seals the gap between the cool insulating curtains, the sealing film is unwound from the winding roller disposed at the lower part of the showcase, and is formed on the side edge surface of the cool insulating curtain. It is characterized in that it is connected via an overlapping connection member. Since the sealing film is connected to the side edge surface of the insulated curtain via the connecting member, the sealing property and the mounting property can be improved, and the appearance can be improved.
[0007]
Further, the sealing film in the cool insulating shutter device according to claim 3 of the present invention is configured such that when sealing the gap between the side edge of the cool insulating curtain and the showcase side plate, the sealing film is wound from a winding roller disposed at the lower part of the showcase. And is connected to the side edge surface of the cold insulation curtain and the showcase side plate via an overlapping connection member. Since the sealing film in this case is also connected to the side edge surface of the cold insulation curtain and the showcase side plate via the connecting member in the same manner as the sealing film in the second aspect, the sealing property and the attachment property are improved. The appearance can be improved as well as the appearance.
[0008]
As described above, according to the structure of the sealing film of the present invention, the sealing of the gap at the lower part of the showcase is performed more reliably than the conventional one, and particularly, for the showcase in which the lower part of the cold air is likely to leak. This structure is very effective. In addition, as described above, since the winding roller is disposed below the opening, the gap sealing means can be freely provided in a space without obstacles, avoiding a place where the cooling shutter unit, the lighting device, and the like are densely packed. It is possible to dispose them, so that the attachment and maintenance are improved, the degree of freedom of design is improved, and the overall structure can be made more compact. Also, significant power savings can be achieved by improving the sealing property of the gap.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the cool-shutter device of the present invention will be described in detail with reference to the drawings. FIG. 1 is a front view showing the entire structure of a cold-hold shutter device of the present embodiment, and FIG. 2 is a partial side view thereof. In the present embodiment, the case where two showcases 5 and 5 are arranged is described, but the present invention is not limited to this. The cold-holding shutter device of the present invention is roughly divided into a cold-holding shutter portion and a gap sealing means. First, the cold-holding shutter portion will be described.
[0010]
As shown in FIGS. 1 and 2, the cold insulation shutter section 4 includes a roller mechanism section 7 disposed in front of an upper portion of an opening in the front of the showcase 5, and a cold insulation curtain 3 and the like which are unwound and wound by the roller mechanism section 7. . The cold insulation curtain 3 is formed by laminating, for example, a metal film, an intermediate heat-insulating air layer, a synthetic resin film or a cloth layer having a small heat capacity, in order to improve the cold insulation property, and directing the metal film toward the inside of the showcase 5. It consists of things arranged. Thereby, the dew condensation prevention property, the cold insulation property, and the heat insulation property are improved. Of course, the structure of the insulated curtain 3 is not limited to the above, and natural fibers, cloth materials and the like are also used.
[0011]
As shown in FIG. 2, the roller mechanism 7 includes a bracket 6 fixed to the front of an upper portion of the front opening of the showcase 5, a winding roller 8 pivotally supported by the bracket 6, and a winding roller 8. It comprises a driving means (not shown) for rotationally driving, a case 9 for covering the winding roller 8, and the like. The cold insulation curtain 3 is wound by the winding roller 8 and moves up and down. When the opening 16 is closed by the cold insulation curtain 3, the cold insulation curtain 3 is engaged with the locking means 10 as shown in FIG. Will be retained.
[0012]
As shown in FIG. 1, a guide line 11 is provided at a central position of the cool insulating curtain 3 along a vertical direction, and is provided on a surface of the case 9 of the cool insulating shutter section 4 and a lower part of the showcase 5 connected therewith. On the surface of the handrail portion 12, guide lines 13 and 14 that match the guide line 11 are provided. Further, a pull pole 15 for operating the cold insulation curtain 3 is provided at a position along the guide line 11 below the cold insulation curtain 3. By using the pull pole 15, the cold insulation curtain 3 is unwound from the winding roller 8 and descends, and is held by being engaged with the locking means 10 as described above while aligning the guide wire 11 with the guide wire 14 below. You. In addition, when the guide wire 11 is aligned with the guide wire 13 at the time of opening, the winding roller 8 is driven to wind the cooling curtain 3 so that smooth winding is performed.
[0013]
Next, the gap sealing means will be described. A slight gap 17 is inevitably formed between the side edges of the cold insulation curtain 3. A gap 19 is also formed between the other side edge of the cool curtain 3 and the showcase side plate 18. Therefore, even if the opening is closed with only the cold insulation curtain 3, the cooling of the showcase 5 cannot be completely completed. Therefore, the above-mentioned gap sealing means is applied.
[0014]
The gap sealing means includes the sealing films 1 and 1a and a winding roller 25 for unwinding and winding the sealing films. In the case of the present embodiment, between the sealing film 1 for closing the gap 17 between the side edges of the insulated curtain 3 and the side edge of the insulated curtain 3 and the showcase side plate 18 shown in FIG. Sealing film 1a for closing the gap 19 is employed.
[0015]
The sealing film 1 is made of a member having a narrow flat plate shape different from the cold insulation curtain 3, and a connecting member 20 is provided on the inner surface side as shown in FIG. When the sealing film 1 is sealed, as shown in FIG. 3, the sealing film 1 is connected to connecting members 22 and 22 fixed to the side edges 21 and 21 of the adjacent insulated curtains 3 and 3, respectively. The surface positions of the connecting members 22 and 22 are at the same level as the surface position of the cold insulation curtain 3. For this reason, even if the connecting members 22, 22 are fixed to the cool curtains 3, 3, the surfaces are flush and the cool curtains 3, 3 can be smoothly wound around the winding roller 8 of the roller mechanism 7. . As the connecting members 20 and 22, for example, a known commercially available hook-and-loop fastener is used. The hook-and-loop fasteners are widely used in various fields of industry and daily life, and are available in many types and relatively inexpensively.
[0016]
As shown in FIGS. 1 and 2, the gap sealing means 2 includes a bracket 24 fixed at a position 23 below the opening 16 of the showcase 5, a winding roller 25 pivotally supported by the bracket 24, And a case 26 for accommodating and protecting the winding roller 25 and the like. When not used, the sealing film 1 is wound up by the winding roller 25, but is pulled out from the winding roller 25 when necessary, and is pulled up to an upper position as needed, and the connecting member 20 is moved to the cooling curtains 3, 3. The sealing film 1 is superimposed on the connecting members 22, 22, and the sealing film 1 is pressed by hand against the cold insulation curtains 3, 3, and connected by the connecting members 20, 22. The mounting operation of the sealing film 1 is performed by the simple operation described above. The sealing film 1 can be removed by releasing the connection between the sealing film and the cooling curtains 3 and 3 and then operating the winding roller 25, whereby the winding is easily wound and stored. As described above, the sealing film 1 is overlapped with the cool insulating curtain 3 in a flat state and connected to the cool insulating curtain 3. In particular, since the sealing film 1 is pulled up from below to seal the gap, the gap below the showcase 5 is completely closed, and the leakage of cool air is completely prevented, and the sealing shape is always well maintained. The appearance can be improved.
[0017]
FIG. 4 shows a form of sealing with the sealing film 1a. In this case as well, the sealing film 1a is arranged flat along the surface of the cold insulation curtain 3 as in the case of the above-mentioned sealing film 1. To this end, it is necessary to provide an L-shaped bracket 27 on the side of the showcase side plate 18 as shown. That is, the L-shaped bracket 27 is fixed to the side surface of the showcase side plate 18, and the connecting member 28 is fixed to the front surface of the bracket 27. The position of the surface of the connecting member 28 is set at the same level position as that of the connecting member 22 fixed to the side edge 21 of the cool insulation curtain 3. As a result, the connecting member 20 of the sealing film 1a overlaps with the connecting member 22 of the side edge 21 of the cool insulating curtain 3 and the connecting member 28 of the L-shaped bracket 27, and by pressing the sealing film 1a by hand, the cool insulating curtain 3 The sealing film 1a is connected to the case side plate 18, and the gap 19 is sealed by the flat sealing film 1a. The sealing film 1a is also pulled up from below and connected like the above-mentioned sealing film 1, and because it is overlapped in a flat state like the above-mentioned one, the appearance is good and the connectivity is good. The sealing property can be improved well.
[0018]
FIG. 5 shows another embodiment of the sealing film 1a for sealing the gap 19 between the cool curtain 3 and the showcase side plate 18. As shown in FIG. The structure of the sealing film 1a itself is the same as that of the sealing film 1a shown in FIG. 4, but the mounting method is different. In this embodiment, the L-shaped bracket 27 is not provided on the showcase side plate 18 side. Therefore, the sealing film 1a is directly connected to the showcase side plate 18. That is, as shown, the sealing film 1a is connected to the showcase side plate 18 in a bent state. Specifically, the sealing film 1a is connected to a connecting member 29 fixed to the inner surface side of the showcase side plate 18. Even in this case, the gap 19 between the cool curtain 3 and the showcase side plate 18 is completely sealed.
[0019]
As described above, in the present invention, the sealing film 1, 1a is pulled up from the winding roller 25 of the gap sealing means 2 disposed at the position 23 below the opening 16 in FIG. It is characterized in that the connection is performed by manually pressing the connection member 22 against the connection members 22, 28, 29 of the case side plate 18, so that the connection is ensured and the gaps 17, 19 are completely sealed. Done. This means that the sealing property is higher than that of a conventional method in which a sealing film is pulled down from above to close the gap, and particularly the lower sealing can be surely performed and the sealing can be completed completely. In addition, the space where the gap sealing means 2 is arranged can be freely arranged without obstacles, so that the mounting property and the operability can be improved.
[0020]
In the above description, the locking means 10 is employed as the locking at the time of sealing the cool curtain 3, but the present invention is not limited to this, and the locking means using magnetic force is naturally employed. In addition, it is preferable to provide a stopper (not shown) for pulling up the upper end side of the sealing films 1 and 1a in order to pull up the sealing films 1 and 1a.
[0021]
【The invention's effect】
According to the present invention, all the problems of the prior art are solved, and light weight, improved operability (light operation, simple operation), no noise, no guide rail, improved appearance, improved maintainability, improved sealing of gaps ( (Enhancement of cold insulation) can be achieved, and the price can be reduced. The synergistic effect of these effects can greatly improve the efficiency of capital investment.
[Brief description of the drawings]
FIG. 1 is a front view showing the overall structure of a cold-hold shutter device of the present invention.
FIG. 2 is a partial side view of FIG. 1;
FIG. 3 is a schematic partial cross-sectional view showing a state in which a gap between adjacent cooling curtains is sealed with a sealing film.
FIG. 4 is a schematic partial cross-sectional view showing a state in which a gap between a side edge of the cool curtain and a showcase side plate is sealed with a sealing film.
FIG. 5 is a schematic partial cross-sectional view showing a state in which a gap between a side edge of the cold storage container and a showcase side plate is sealed with a sealing film.
[Explanation of symbols]
REFERENCE SIGNS LIST 1 sealing film 1 a sealing film 2 gap sealing means 3 cool curtain 4 cool shutter section 5 showcase (frozen refrigerator showcase for food display)
6 Bracket 7 Roller mechanism 8 Winding roller 9 Case 10 Locking means 11 Guide wire 12 Handrail 13 Guide wire 14 Guide wire 15 Pull pole 16 Opening 17 Gap 18 Showcase side plate 19 Gap 20 Connection member 21 Side edge 22 Connection Member 23 Lower position 24 Bracket 25 Winding roller 26 Case 27 L-shaped bracket 28 Connecting member 29 Connecting member

Claims (3)

It has a roller mechanism disposed above an opening on the front surface of a refrigerated multi-stage showcase for food display (hereinafter abbreviated as a showcase), and a cooling curtain that is unwound and wound by the roller mechanism to open and close the opening. A cold insulation shutter device having a cold insulation shutter portion and gap sealing means for sealing a gap between adjacent cold insulation curtains and between the cold insulation curtain and the showcase side plate, wherein the gap sealing means comprises: A sealing film that covers the gap and is detachably connected via a connecting member fixed to a side edge of the cool insulation curtain or the showcase side plate, and the sealing film that is disposed below the showcase in the gap and And a winding roller for unwinding and winding. When sealing the gap between the cold insulation curtains, when sealing the gap, the sealing film is unwound from the winding roller disposed at the lower part of the showcase and overlaps with the side surface of the cold insulation curtain to form a connecting member. The cold insulation shutter device according to claim 1, wherein the cooling shutter device is connected via a link. A sealing film that seals a gap between the side edge of the cold insulation curtain and the showcase side plate is unwound from the winding roller disposed at the lower part of the showcase when sealing the gap, and the cold insulation curtain is The cold insulation shutter device according to claim 1, wherein the side surface and the showcase side plate are overlapped and connected via a connecting member.

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