JP4362191B2 - Refrigerated open showcase - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a refrigerated open showcase that is installed in a supermarket or the like and has at least two front sides and one side open, and in particular, a refrigerated open show that can improve the cooling effect of a corner portion. Regarding the case.
[0002]
[Prior art]
In this type of refrigerated open showcase, a straight-type unit with an open front and a corner-type unit with an open front and one side are connected to both ends. Some of them are connected back to back. The former is installed along the wall, and the latter is installed at the center of the floor.
[0003]
Each of the above units forms an air curtain on the open surface by blowing cold air from the cold air outlet of the ceiling portion to the suction port on the lower outer periphery of the display stand so as to keep the product stored or displayed in the cabinet cold. It has become.
[0004]
[Problems to be solved by the invention]
As described above, in the case where a corner-type unit having an open front surface and one side surface is connected, a sufficient air curtain is not formed on the open surface of the corner portion, and the cooling effect of the product stored or displayed in that portion There is a problem that is low.
[0005]
As a conventional open showcase that solves this problem, for example, as disclosed in Japanese Patent No. 2880464, a large cooler is provided in a cold air circulation duct, and a plurality of blower fans are provided. In some cases, the cool air is sufficiently circulated through the corner portion to enhance the cooling effect of the corner portion.
[0006]
However, this conventional device has a problem that the cost is increased because the cooling effect is enhanced by increasing the capacity of the cooling unit itself.
[0007]
The present invention has been made to solve the above-described problems, and an object thereof is to provide a refrigerated open showcase capable of enhancing the cooling effect of commodities displayed in a corner portion with a simple and inexpensive configuration. It is said.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, a refrigerated open showcase of the present invention is a cold air circulation path in which a cooler and a blower are accommodated between an outer case and an inner case with at least a front surface and one side surface opened. A plurality of upper and lower product display shelves are provided on the front case and the inner case on one side surface, and the cool air flows from the upper outlet of the cool air circulation path toward the lower outer peripheral suction port of the product storage unit. In the refrigerated open showcase that keeps the product in the product storage section cool by forming an air curtain in front of each product display shelf, the corner portion where the front surface and one side surface of the inner case intersect on the wall, with a plurality bored a blowout hole for blowing cold air toward the corner portion, blowing dust for supporting the both ends of the commodity display shelf adjacent to each other of the respective stages in the corner A bracket having a bracket is attached via a locking piece, and cold air is introduced from the opening on the locking piece side communicating with the blowout hole of the corner portion, and flows through the air duct to form a corner portion from the cold air discharge port at the tip of the bracket. It is characterized by discharging toward the intake port .
According to the present invention having the above structure, the cold air in the cooling circuit is from the opening of the distal end of the air duct provided in the bracket of the corner portion, so blown toward the corner portion inlet, a sufficient air curtain The product formed in the corner portion and stored or displayed in the corner portion can be effectively cooled. Therefore, it is not necessary to increase the cooling unit capacity as in the prior art, which is advantageous in terms of cost.
[0009]
In the above refrigerated open showcase, it is preferable that the bracket is composed of a pair of brackets facing each other with a required distance, and the air duct is sandwiched between the pair of brackets .
If it does in this way, a blower duct can be supported in the state which restricted movement of the width direction.
[0010]
In the refrigerating open showcase, the bracket consists of a bracket single pair, preferably fixed to the air duct in one of the bracket itself of the pair.
In this way, it is possible to attach and detach the adjacent product display shelf together with the bracket alone or to change the vertical position.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings. 1 is an overall perspective view showing a refrigerated open showcase to which the present invention is applied, FIG. 2 is a sectional view showing a refrigerated open showcase, and FIG. 3 is a perspective view including a partial cross section showing a corner portion of the refrigerated open showcase. 4 is a cross-sectional view taken along the line AA of FIG.
[0012]
1 and 2 show a refrigerated open showcase 1 to which the present invention is applied. 1 and 2, reference numeral 3 denotes an inner case, 8 denotes an outer case as a heat-insulating housing, and 4 denotes a side plate. For displaying products as a cool box opened forward by the inner case 3, the outer case 8, and the side plate 4. A space portion 6 is formed, and a plurality of product display shelves 7 fixed to the back surface of the inner case 3 can display products in multiple stages.
[0013]
Between the inner case 3 and the outer case 8 disposed on the outer side, insertion passages 9b and 9c for inserting cold air as a cold air circulation path are provided on the front side and the side surface side, respectively. And the fan 10 which is a blower provided in the side-side insertion passages 9b and 9c is driven to take in air from the intake port 11 provided in the lower front part of the product display space 6, and the taken-in air is cooled by the cooler R. The product display space 6 can be cooled to a predetermined temperature at which frozen foods, fresh foods, etc. can be displayed by cooling with the above and by causing convection in the direction of the arrow in the figure.
[0014]
Further, since the cool air is discharged from the discharge port 12 provided in the upper front portion of the product display space 6 toward the lower intake port 11 and an air curtain is created on the front surface of the product display space 6, The diffusion of the cold air in the product display space 6 and the entry of heat from the outside are prevented, and the temperature in the product display space 6 is kept constant.
[0015]
Further, as shown in FIGS. 2 and 3, a part of the cool air fed from the fan 10 flows toward the corner portion insertion passage 9 a in the front side insertion passage 9 b downstream of the cooler R. The punching plate 2 having a large number of ventilation holes to be opened is provided so as to open the corner portion insertion passage 9a side, above the punching plate 2 in the front side insertion passage 9b in the vicinity of the corner portion, By partitioning with a partition plate 5 that faces in the vertical direction, the corner portion insertion passage 9a that faces the vertical direction of the corner portion and the front side insertion passage 9b below the punching plate 2 are configured to communicate with each other.
[0016]
And the corner part inlet 11a is formed in the corner part of the lower outer periphery of a goods storage part so that the both ends of an inner edge may be continued with the inner edge of the inlet 11 on the front side and one side surface side.
[0017]
The product display shelf 7 in the embodiment of the present invention has a shape in which both end edges of each stage of the product display shelf 7 provided on one side as shown in FIG. It is formed in a trapezoidal shape.
[0018]
Here, FIG. 5 is a plan view showing a mounting state of brackets that support both end edges of the product display shelf provided on one side of the product display shelf according to the present invention, and FIG. FIG. 7 is a perspective view of the bracket according to the first embodiment of the present invention.
[0019]
As shown in FIG. 4, for example, when viewing the uppermost product display shelf 7, the rear end of the product display shelf 7 is on the wall surface of the inner case 3 in which the side-side insertion passage 9c is formed. Both ends are attached to the bracket 16 supported by the corner portion so as to communicate with the blowout hole formed in the hole.
[0020]
More specifically, as shown in FIG. 7, the bracket 16 is integrally formed as a blower duct 16c having a U-shaped cross section that opens upward, and a locking piece 16a is formed on the rear end side thereof. An opening is formed on the stop 16a side as a cold air inlet, and an opening 16b is formed on the tip side as a cold air outlet.
[0021]
On the other hand, at the corner portion where the front surface and one side surface of the inner case 3 shown in FIG. 5 and FIG. 6 intersect, a duct member 20 having a corner-cut oblique surface 20a facing in the vertical direction is provided. On the inner side surface of the member 20, there are formed a corner portion insertion passage 9a facing the up and down direction of the corner portion and an insertion hole (not shown) communicating with the front surface and the side surface side insertion passages 9b and 9c, and cold air is applied to the oblique surface 20a. The blowout port 15 and the plurality of locking holes 20b that are blown out are formed in a column at a predetermined interval.
[0022]
In the specific locking hole 20b formed in the inclined surface 20a of the two duct members 20 configured in this way, the locking piece 16a at the rear end of the bracket 16 is locked, and the tip of the bracket 16 is the product storage section. It is attached toward both corners of the lower outer periphery.
[0023]
Next, the operation of the refrigerated open showcase described above will be described.
[0024]
First, by driving the fan 10 provided in the front and side insertion passages 9b and 9c, air is taken in from the intake port 11 provided in the lower front part of the product display space 6, and the taken-in air is cooled. The product display space 6 is cooled to a predetermined temperature at which frozen food, fresh food, etc. can be displayed by cooling with the container R and causing convection in the direction of the arrow in FIG.
[0025]
Further, the cold air that has passed through the front and side insertion passages 9b, 9c is discharged from the front upper discharge port 12 of the product display space 6 toward the lower intake port 11, and the product display space. An air curtain is formed on the front surface of the portion 6, thereby preventing the diffusion of cold air in the product display space 6 and heat entry from the outside, and keeping the temperature in the product display space 6 constant. Can do.
[0026]
Here, a part of the cold air pumped from the fan 10 provided in the front side insertion passage 9b flows upward through the ventilation holes of the punching plate 2 disposed above, but the other cold air is The air path is deflected by the punching plate 2 and guided to the open end near the corner.
[0027]
The cold air guided to the corner portion insertion passage 9a from the open end side and the cold air guided to the side surface side insertion passage flow into the duct members 20 through the insertion holes (not shown) and move upward to move to the inclined surface 20a. A plurality of air outlets 15 and the locking holes 20b are blown out to the outside, and a part of the cold air is locked to the duct members 20 to support the upper and lower product display shelves 7 16 is introduced from the opening on the locking piece 16a side, flows inside the air duct 16c, and is discharged toward the lower corner portion intake port 11a from the opening portion 16b serving as a cold air discharge port at the front end.
[0028]
In this way, the cool air in the corner portion insertion passage 9a and the front and side side insertion passages 9b, 9c is from the opening portion 16b at the tip of the air duct 16c formed by the bracket 16 formed in a U-shaped cross section of the corner portion. Since the air is blown out toward the corner portion, the product stored or displayed in the corner portion can be effectively cooled even if the air curtain formed on the open surface of the corner portion is not sufficient. Therefore, it is not necessary to increase the capacity of the cooling unit as in the prior art, which is advantageous in terms of cost.
[0029]
Next, a description will be given with a bracket according to a second embodiment of the present invention.
[0030]
FIG. 8A is a side view of the bracket according to the second embodiment, and FIG. 8B is a cross-sectional view taken along the line CC of FIG. In addition, the same code | symbol is attached | subjected about the same component as the component in embodiment mentioned above, and the overlapping description is abbreviate | omitted.
[0031]
The bracket 22 in the present embodiment has a pair of bracket units 22a and 22b formed as support portions 22d and 22d by bending the lower side edge inward, and a tapered cross section sandwiched between the bracket units 22a and 22b. It has a rectangular air duct 23, a locking piece 22c is formed on the rear end side, and an opening 23a serving as a cold air inlet is formed on the locking piece 22c side of the air duct 23. An opening 23b serving as a cold air discharge port is also formed on the tip side.
[0032]
Here, the air duct 23 has a lateral width such that a pair of bracket single bodies 22a and 22b are respectively formed in the locking holes 20b in the vertical direction formed in the obliquely inclined surfaces 20a of the duct member 20 with a predetermined interval therebetween, and the locking pieces 22c. It is formed in the same shape as the inner space formed when is locked.
[0033]
Therefore, the duct member 20 in which the air duct 23 is supported by the support portion 22d between the pair of brackets 22a and 22b is supported by the product display shelf 7 being locked to the upper edges of the pair of brackets 22a and 22b. Thus, the movement in the width direction is restrained in combination with the locking of the locking piece 16a.
[0034]
The bracket 22 of the present embodiment configured as described above can achieve the same operations and effects as the above-described embodiment.
[0035]
Next, a description will be given with a bracket according to a third embodiment of the present invention.
[0036]
FIG. 9A is a side view of the bracket according to the third embodiment, and FIG. 9B is a sectional view taken along the line DD in FIG.
[0037]
The bracket 25 in the present embodiment is composed of a pair of brackets 25a and 25b and a tapered air duct 26 fixed inside one of the brackets 25a and 25b. A piece 25c is formed, and an opening 26a serving as a cold air suction port is formed on the side of the locking piece 25c of the air duct 26, and an opening 26b serving as a cold air discharge port is also formed on the tip side.
[0038]
In the air duct 25 configured in this manner, the locking piece 25c is locked to the locking hole 20b of the duct member 20 and the bracket unit 25a, The product display shelf 7 is configured to be held in a state of being locked to the upper floating edge of 25b.
[0039]
The bracket 22 of the present embodiment configured as described above can achieve the same operations and effects as the above-described embodiment.
[0040]
Next, a description will be given with a bracket according to a fourth embodiment of the present invention.
[0041]
FIG. 10 is a perspective view of a bracket according to the fourth embodiment. The bracket 28 in the present embodiment includes a pair of bracket units 28a and 28b formed in the same shape, and a closing member 29 attached to the lower side edge of the pair of bracket units 28a and 28b.
[0042]
Here, the closing member 29 is formed in a band shape with, for example, a rubber material as an elastic body, and projecting portions 29a and 29b are formed in both width directions, and brackets along the longitudinal direction are formed at the upper ends of the projecting portions 29a and 29b. Fitting grooves 30 and 30 corresponding to plate thicknesses with which the lower portions of the single bodies 28a and 28b can be fitted are formed.
[0043]
The bracket 28 of the present embodiment configured as described above not only has the same operations and effects as the above-described embodiment, but the closing member 29 has the engagement pieces 28c of the pair of bracket single bodies 28a and 28b as the duct member 20. Since it can be easily mounted even when locked in the locking hole 20b, the assembling work of the bracket 28 can be simplified.
[0044]
Although the embodiments of the present invention have been described with reference to the drawings, the specific configuration is not limited to these embodiments, and modifications and additions within the scope of the present invention are included in the present invention. It is.
[0045]
【The invention's effect】
According to the present invention, the following effects can be obtained.
[0046]
(A) According to the invention described in claim 1, the cold air in the cold air circulation path is blown out from the opening at the tip of the air duct provided in the bracket of the corner portion toward the corner portion inlet. Therefore, a sufficient air curtain can be formed in the corner portion, and the goods stored or displayed in the corner portion can be effectively cooled. Therefore, it is not necessary to increase the cooling unit capacity as in the prior art, which is advantageous in terms of cost.
[0047]
(B) According to the invention described in claim 2, it is possible to support the blower duct in a state in which movement in the width direction is restricted.
[0048]
(C) According to the invention described in claim 3, it is convenient that an adjacent product display shelf can be detached and attached together with the bracket alone or the vertical position can be changed.
[Brief description of the drawings]
FIG. 1 is an overall perspective view showing a refrigerated open showcase to which the present invention is applied.
FIG. 2 is a cross-sectional view showing a refrigerated open showcase.
FIG. 3 is a perspective view including a partial cross section showing a corner portion of a refrigerated open showcase.
4 is a cross-sectional view taken along the line AA in FIG.
FIG. 5 is a plan view showing a mounting state of brackets that support both end edges of the product display shelf provided on one side of the product display shelf according to the present invention.
6 is a view taken in the direction of arrow B in FIG. 5;
FIG. 7 is a perspective view of a bracket according to the first embodiment of the present invention.
8A is a side view of a bracket according to a second embodiment, and FIG. 8B is a cross-sectional view taken along the line CC of FIG. 8A.
9A is a side view of a bracket according to a third embodiment, and FIG. 9B is a sectional view taken along the line DD of FIG. 9A.
FIG. 10 is a perspective view of a bracket according to a fourth embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Refrigerated open showcase 2 Punching plate 3 Inner case 4 Side plate 5 Partition plate 6 Product display space part 7 Product display shelf 8 Outer case 9a Corner part insertion path (cold air circulation path)
9b Front side passage (cold air circulation path)
9c Side passage (cold air circulation path)
10 Fan (blower)
DESCRIPTION OF SYMBOLS 11 Intake port 11a Corner part inlet 12 Discharge port 15 Outlet 16 Bracket 16a Locking piece 16b Opening part 16c Air duct 20 Duct member 20a Oblique surface 20b Locking hole 22 Bracket 22a, 22b Bracket single piece 22c Locking piece 22d Support portion 23 Blower duct 23a, 23b Opening 25 Bracket 25a, 25b Bracket single piece 25c Locking piece 25 Blow duct 26a, 26b Opening 26 Blow duct 28a, 28b Bracket single piece 29 Closure member 29a Protruding portion 30 Fitting groove

Claims (3)

At least between the front and one side and is opened outer case and the inner case, to form a cold air circulating path formed by housing the condenser and a blower, the inner case of the front and one side surface, the upper and lower A plurality of product display shelves are provided, cold air is blown out from the upper air outlet of the cold air circulation path toward the suction port on the lower outer periphery of the product storage unit, and an air curtain is formed in front of each product display shelf In the refrigerated open showcase that keeps the product in the product storage section cold,
A plurality of blowout holes for blowing cool air toward the corner portion are formed in the wall surface of the corner portion where the front surface and one side surface of the inner case intersect, and both sides of the product display shelves adjacent to each other at the corner portion in the corner portion. A bracket having a blower duct that supports the end portion is attached via a locking piece, and cold air is introduced from an opening on the locking piece side that communicates with the blowout hole of the corner portion, and flows through the blower duct and flows into the bracket tip. A refrigerated open showcase that discharges from the cold air outlet to the corner inlet . 2. The refrigerated open showcase according to claim 1 , wherein the bracket is constituted by a pair of brackets facing each other with a required distance therebetween, and the air duct is sandwiched between the pair of brackets alone . The bracket 1 is constituted by a pair of brackets alone refrigerated open showcase according to claim 1 wherein the air duct fixed to one of the bracket itself of the pair.

Images