JPH0481715B2 - - Google Patents

Description

[Detailed Description of the Invention] [Object of the Invention] Industrial Application Field The present invention relates to a show case that surrounds a product storage chamber with a see-through member. This invention relates to improving a cold air distribution path that makes it easier to reach a suction port.

BACKGROUND TECHNOLOGY It has been well known to surround the area in which a product is stored with a transparent material in order to make it easier to see the product from the outside, and there are many proposals. Among them, one in which the sides of the product storage area are surrounded by four transparent glasses (this is called a four-sided glass type case) has been devised, and Japanese Utility Model Publication No. 60-22301 is an example of this.

Problems to be Solved by the Invention Not only in the above-mentioned publication, but in the case of a four-sided glass type show case, the distance between the bottom plate that partitions the cooling chamber equipped with a cooler and a blower from the storage chamber in which products are stored is limited. A blowout port and a suction port are formed at opposing positions to communicate between the storage room and the cooling room, creating a circulation path for cold air along each wall of the storage room, and surrounding the storage room with this cold air. That's what I was doing. However, in order to ensure good cold air circulation while ensuring the storage capacity of the storage room, it is common to form the air outlet and the suction port on the same horizontal plane, spaced apart from each other. Since the structure does not allow the flow to flow between the two, it has become impossible to immediately cool the products located on the inner periphery compared to the products located on the outer periphery.

SUMMARY OF THE INVENTION An object of the present invention is to provide a case in which the positions of the outlet and the suction port are appropriately changed so that cool air passes between the products and flows from the outlet to the inlet.

[Structure of the invention]

Means for Solving the Problems The show case of the present invention has a product storage section surrounded by a see-through member that is held openable and closable and has a display stand on the bottom for placing products on the top of the product storage section. It is equipped with a box body in which a ventilation chamber, which independently forms a cold air supply section and a cold air return section, is arranged below the product storage section. It is formed so that its height decreases toward the periphery, and an air outlet is formed around the center part through which cold air from the cold air supply section passes, and an inlet port through which cold air passes from the area where the product is placed to the cold air return section. was formed.

Function The cold air supplied from the cold air supply section located below the exhibition stand is blown out from the air outlet in the exhibition stand, but due to the structure of the exhibition stand, the position of this air outlet is higher than the inlet. This makes efficient use of the characteristic of cold air, which tends to move downwards.
In addition, because the outlet is located around the center and the inlet is on the outer periphery, the cold air coming out of the outlet is easy to separate in multiple directions, allowing it to pass between the products and reach the inlet in either direction. This makes it easy to make the amount of contact between the cold air and the product uniform in all directions.

Embodiments Embodiments of the present invention will be described below with reference to FIGS. 1 to 10.

G is a display case that is placed in stores such as pharmacies and discount shops to display and sell products. For example, it is equipped with transparent windows on the top, front, and both left and right sides, and the back is used to take products in and out. These doors form a product display room, and leg members T are provided to form an unused space S below this product display room. In this example, four pillars are illustrated as the leg members T, but this is not limiting. You can also do this.

1 is a closed display box 1 having a product storage section 12;
0, a machine box 20 that houses mechanical parts such as a compressor, condenser, and evaporator and is formed separately from the display box 10, and an air blower that communicates the display box 10 and the machine box 20 so that air can circulate. This is a separate type case made up of a tube 30, and can be used for freezing, refrigeration, freezing, etc. depending on the type of product to be stored and the temperature range to be controlled. In this embodiment, one example is shown. We will explain this using a refrigerated case (hereinafter referred to as a case). However, the present invention is not limited to separate type show cases, but is directed to commonly expressed show cases.

The display box 10 has a substantially spherical shape, and a base 11 that forms the substantially lower half and is substantially circular in top view.
and a product storage section 12, which constitutes the upper half and also serves as a cooling chamber, and has a display stand for placing products at the bottom, and is placed on the top of the display case G in this example.

The base 11 has a ventilation chamber 13 at the upper level and a lighting chamber 14 at the lower level, and both chambers 13 and 14 are partitioned by a heat insulating material 15A and a light-transmitting member having heat insulating properties, such as transparent glass 15B. Ru. The ventilation chamber 13 has a cold air supply section 16 as a high-pressure space that introduces the cold air carried through the blow pipe 30 and guides the cold air to the product storage section 12, and a cold air supply section 16 that serves as a high-pressure space that collects the returned cold air and guides it to the blow pipe 30. A cold air return section 17 as a low-pressure space is separately formed.

To explain one example of this ventilation chamber 13, a turntable 4 is located at the bottom of the product storage section 12 and serves as a display stand for placing products, which also functions as a shelf.
4 constitutes the upper wall of the ventilation chamber 13. The cold air supply section 16 sequentially turns the cold air introduced from a cold air inlet 42 provided on one side toward the center and directs it upward toward the bottom surface of the turntable 44 through an opening 40 formed at the center of the top surface. There is a first standing wall 48A of 3/4 circumference approximately in the center of the ventilation bottom plate 47, which has a circle with a diameter larger than the diameter of the transparent glass 15B and is disposed directly above the transparent glass 15B with a slight interval. and a second standing wall 48B that communicates eccentrically with the remaining 1/4 circumferential portion and tapers toward the cold air inlet 42. (in this example, it is integrally molded with the vertical wall). Here, the cold air introduced from the cold air inlet 42 is directed along the second vertical wall 48B, moves to the center while sequentially turning along the first vertical wall 48A, and is guided to the lower surface of the turntable 44 through the vertical opening 40. The air is then blown out into the product storage section 12 from an air outlet 58 formed on the turntable 44, which will be described later.

Further, the cold air return section 17 surrounds the first and second vertical walls 48A and 48B of the cold air supply section 16, and the both walls 48
A third standing wall 45B, which is lower in height than A and 48B, is formed on the partition plate 45 that constitutes the bottom of the ventilation chamber 13, and the return cold air is collected from the suction port 59 formed on the turntable 44, which will be described later, and the partition The cold air is gradually directed downward by the plate 45 and guided inward while being rotated sequentially by the outer surface of the third vertical wall 45B, and the cold air is guided inward by the cold air inlet 4.
The cold air is led out to the return tube 32 of the blower pipe 30, which will be described later, from the return cold air outlet 77 arranged in parallel with the cold air outlet 2. Note that some cold air crosses the third vertical wall 45B, but this cold air moves along the outer surfaces of the first and second vertical walls 48A, 48B, is directed outward, crosses the third vertical wall 45B again, and flows to the third vertical wall 45B.
It merges with the cold air directed at the vertical wall 45B and is guided to the return cold air outlet 77. In addition, the cold air supply section 1
6 and the cold air return section 17 are made of a translucent material such as a milky white resin.

On the other hand, the illumination chamber 14 includes an illumination lamp, for example, a fluorescent lamp 46, which is a part of an annular illumination device with a diameter smaller than the diameter of the circle of the transparent glass 15B, and is formed of a transparent resin. Main body 11A constituting the external shape
It is located approximately in the center of the In addition, transparent glass 15B
For this purpose, multi-layer transparent glass is used, in which multiple pieces of glass (three pieces in this example) are arranged in parallel with space between each other, to provide heat insulation through air spaces and to provide light transmission. . Using the central space surrounded by the fluorescent lights 46, various electrical components such as glow lamps, ballasts, etc. are arranged.

Then, a container 53 (this is called a beverage container and is shown by a dashed line in FIG. 10) containing a sales product, such as a medicinal solution or a soft drink, is placed on the turntable 44 located at the bottom of the product storage section 12. However, when a large number of beverage containers 53 are placed, a product partitioning function is provided to ensure that gaps are formed between the beverage containers 53, and it is confirmed from the outside that the beverage containers 53 are lined up. The turntable 44 is configured so as to function as a shelf by changing the height position of the portion that receives the bottom of the beverage container 53 for ease of use. In other words, this turntable 4
4, it has a circular shape in plan view, and is formed to have a spherical shape (in detail, a curved surface of a part of a sphere) in side view so that the center is highest and the height decreases from the center to the periphery, and the lower part is the shape of a circle. Rotation auxiliary member 70
It is held so that it can rotate freely.

Further, in this embodiment, a plurality of recesses 54 having a shape (for example, a circle or a rectangle) that approximately matches the bottom shape of the displayed products are arranged in an orderly manner for product partitioning. 24 circular recesses 55 on the outermost periphery and 18 circular recesses 55 on the inner side thereof are arranged in a ring shape, and the inner circular recess 55B has a step so that the bottom surface is at a higher position than the outermost circular recess 55A. Furthermore, ten rectangular recesses 56 are formed inside. In addition, the circular recess 5
A tapered protrusion 57 having a height of approximately 1.5 to 2.5 mm is formed on the bottom surface of 5. Then, air outlets 58 are formed with different shapes and numbers between the rectangular recesses 56 and between the rectangular recesses 56 and the inner circular recess 55B, and from the outermost circular recess 55A. A plurality of suction ports 59 are also formed on the outer periphery. In addition, on the outside of the suction port 59, there are several handles 60 that can be used as POP advertisements to display the names and prices of displayed products (in this example, two handles are placed in symmetrical positions). (in a symmetrical shape with a 90° arc). In addition, if the suction ports 59 are provided inside the part where the handle part 60 is erected by increasing the number of them or increasing the opening area than other parts, the cold air blown out from the outlet 58 will be transferred to the handle. This means that more air is sucked in than the suction port 59 inside the portion 60. At this time, since the cold air is directed downward and inward at the handle portion 60, the base body 11A
This prevents the hood 50 from hitting the lower inner surface of the hood 50, which is rotatably held by the hinge portion 51, thereby suppressing fogging and dew formation on the hood 50. Further, a rotation groove 61 for holding the turntable 44 on the rotation assisting member 70 is formed in an annular shape on the lower surface of the turntable 44.

The rotation groove 61 has an inner wall 62 supported by one of rotation auxiliary members 70 held in two different forms, which will be described later, and an outer wall 63 supported by the other. Part 60
The inner wall 62 and the outer wall 63 are always positioned at the front and back (this position is called the normal position).
Notches 64 and 65 into which the rotation assisting member 70 is fitted are formed at positions shifted by 180 degrees. The notches 64 and 65 are formed at positions shifted by 90 degrees between the inner wall 62 and the outer wall 63, respectively, and are gradually inclined as they move away from the center. Furthermore, on the bottom surface of the turntable 44,
An annular standing wall 66 is formed to correspond to the annular groove 41 formed around the upright opening 40 in the upper plate of the cold air supply section 16, and the notch 64 of the rotation groove 61,
When the turntable 44 is supported in a normal position with the rotation auxiliary members 70 fitted in each of the rotation assisting members 65, a sealed space is formed around the upright opening 40 by the annular standing wall 66 and the lower surface of the turntable 44. In this way, consideration is given to preventing cold air leakage, that is, a short cycle of cold air from the cold air supply section 16 to the cold air return section 17.

The rotation auxiliary member 70 supports the turntable 44 horizontally and with a uniform load, and when the turntable 44 is located at a normal position,
They are arranged at four locations corresponding to the positions of the notches 64 and 65 formed in both the inner and outer walls 62 and 63 of the rotation groove 61. That is, it is attached and fixed to four attachment recesses 45A formed in the partition plate 45. Each rotation auxiliary member 70 includes a rotation body 71 and a rotation body 7.
1 and a support shaft 72 that rotatably supports the support shaft 7.
2 and a fixture 73 for attaching the rotation auxiliary member 70 to a proper position (any one of the four mounting recesses 45A described above). Further, the rotating body 71 has a shape in which two cylinders having different diameters are combined with the same center, and the smaller diameter is used as an abutting piece 74 and the larger diameter is used as a regulating piece 75. , with a support shaft 72 at its center.
It has an insertion hole for inserting the. Then, the rotation groove 6 of the turntable 44 is formed on the outer peripheral surface of the contact piece 74.
The rotating body 71 supports the lower surface of one of the inner and outer walls 62, 63 of the rotating body 71, and is held so that the regulating piece 75 faces inside the rotating groove 61, that is, between the inner wall 62 and the outer wall 63. Decide on the direction. At this time, among the rotation auxiliary members 70 disposed at four locations, the rotation bodies 71 of the rotation auxiliary members 70 located diagonally are in the same direction (either the contact piece 74 is directed toward the center or toward the outer circumference). (on the other hand). Therefore, when the turntable 44 is rotated,
Notches 64, 65 formed in both inner and outer walls 62, 63
is held by the abutting piece 74 of the rotary body 71 every 180 degrees, and can be stopped in a stable state, and at this time, the handle part 60 can be reliably positioned on the front and back sides of the display box 10.

On the other hand, the blow pipe 30 has one end connected to the cold air outlet of the machine box 20 and the other end connected to the cold air inlet 4 of the cold air supply section 16.
2, and a supply tube 31 that is connected to each other to adiabatically circulate cold air, and one end is connected to the return cold air inlet of the machine box 20 and the other end is connected to the return cold air outlet 7 of the cold air supply section 17.
7 and a return tube 32 through which the return cold air flows, preferably both tubes 31 and 32 are configured to be bendable and expandable.

〔Effect of the invention〕

As detailed above, according to the present invention, the display stand on which the product is placed is formed so that the center is the highest and the height decreases from the center to the periphery, and the height is lowered from the center to the periphery (excluding the center) Since the air outlet is formed and the air inlet is formed outward from the part on which the product is placed, the air outlet is located higher than the air inlet, making it easier for cold air to flow. Furthermore, since the cool air path is directed from the center to the surroundings, the cool air can be uniformly blown out throughout the storage section, making it easier to maintain a uniform and stable internal temperature. Furthermore, since the cold air coming out of the outlet passes between the products and reaches the suction port, the amount of contact between the cold air and the products increases, improving cooling efficiency.

[Brief explanation of the drawing]

Each figure shows one embodiment of the present invention. Figure 1 is an external perspective view of the display stand, Figure 2 is an external perspective view of the display case installed in the display case, and Figure 3 is an external perspective view of the display case.
The figure is an AA sectional view in Figure 2, Figure 4 is a plan view showing the flow of cold air and return cold air in the ventilation room, Figure 5 is an exploded perspective view of the display box in Figure 2, and Figure 6 is an exploded perspective view of the display box in Figure 2.
7 and 7 are respectively a plan view and a side view of the exhibition stand, and FIGS. 8 and 9 are enlarged cross-sectional views showing the state in which the exhibition stand is supported at a normal position by a rotation auxiliary member,
FIG. 10 is an enlarged sectional view showing the supporting state of the exhibition stand at the rotational position. 1...Show case, 10...Display box, 12...Product storage section, 13...Ventilation room, 16...Cold air supply section, 17
...cold air return section, 44...turntable, 58...outlet, 59...intake port.

Claims (1)

[Claims] 1 A product storage section surrounded by a see-through member that can be opened and closed and has a display stand on which products are placed at the bottom is disposed above the product storage section, and a cold air supply section and a cold air return section that circulate cold air with the product storage section. The display stand has a box body in which ventilation chambers each having independently formed ventilation chambers are arranged below the product storage section, and the display stand has a circular shape in plan view, with the center being highest and the height decreasing from the center to the periphery. A blow-out port is formed around the central part for passing the cold air from the cold air supply part, and a suction port is formed at the outer periphery from the part on which the product is placed for passing the cold air to the cold air return part. A case to be made.