JP2001221561A - Cold storage open showcase - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cold storage open showcase capable of easily cleaning in a duct by forming a partition plate in a divided structure and simply removably providing the plate. SOLUTION: The partition plate is not necessary to be removed in the entirety as is in the case of the prior art. But, only right and left partition plats 25, 25' of its part are removed for cleaning in the duct. Thus, times required for a work for removing the plates or cleaning in the duct are shortened, and its working efficiency is improved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refrigerated open showcase having an open front and used in a supermarket or a convenience store.
The present invention relates to a refrigerated open showcase that facilitates cleaning and maintenance of a cold air suction duct.

[0002]

2. Description of the Related Art In a refrigerated open showcase of this type, a cool air circulation path is formed between an outer case and an inner case, and a cooler and a blower provided in the cool air circulation path form an inner / outer case. From the two cold air outlets to the two cold air inlets on the inside and outside of the lower front edge of the case body, the inside is cooled to a low temperature,
There is one in which two layers of inner and outer air curtains are formed on an open front surface by blowing cool air whose outside temperature is controlled to be slightly higher than that, thereby enhancing the cooling effect of goods in the refrigerator.

In such a refrigerated open showcase forming such a two-layer air curtain, the cool air suction port of the case body and a duct connected to the case are divided into two paths, and cool air is sucked by blowers provided respectively. It has become.

The above-described duct for sucking cool air generally has a structure schematically shown in FIG. That is,
In the front end of the case body 01, an upward piece 02a and an inward piece 0
Step-shaped partition plate 02 consisting of 2b and downward piece 02c,
By screwing in such a manner that a required space is formed between the front wall 01a of the case main body 01 and the upwardly facing piece 02a, a suction port 03 that faces in the vertical direction is formed by screwing the space with the bottom surface of the case main body 01.
And the bottom of the case body 01 near the front end and the inward piece 02
A duct 04 communicating with the suction port 03 is formed between the b and the downward piece 02c.

[0005] An upward piece 02a constituting the suction port 03 is also provided.
Inside, the inner partition plate 07 is fixed with a predetermined gap to form a suction port 08, and relatively low-temperature cold air taken in from the suction port 08 is supplied to the lower end of the inner partition plate 07 and the inward piece 02b of the duct 04. It is configured to flow into the bottom surface of the case body 01 from a gap formed between the case body 01 and the upper surface.

A suction duct 05 facing rearward is screwed into the middle of the downward piece 02c, and a dedicated blower (not shown) provided at the rear end of the suction duct 05 and arranged on both sides of the blower. By rotating each of the other dedicated blowers (not shown), cool air having a temperature difference is supplied to the suction port 03.
And suction port 08 respectively.

Reference numeral 06 denotes a cover provided on the upper surfaces of the suction ports 03 and 08 and having a number of slits.

[0008]

As described above, in the case where the inlets 03 and 08 for the cool air are opened upward, even if the cover 06 is attached, the dust passing through the many slits is not removed. If such foreign matter accumulates, it may reach the blower and adhere to the fan or break it.

For this reason, the partition plate 02 is periodically removed to clean the inside of the duct 05. However, if the partition plate 02 having an integral structure is screwed to the case body 01 as in the above-described conventional device, In addition, the work of attaching and detaching the partition plate 02 is troublesome, and much time is required for cleaning the inside of the duct.

[0010] A large showcase is provided with a partition plate 02.
Is also inconvenient because of its large size.
It will be a work of people.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and the partition plate has a divided structure and can be easily removed, so that the inside of the duct can be easily cleaned. The purpose is to provide such a refrigerated open showcase.

[0012]

In order to achieve the above object, a refrigerated showcase of the present invention contains a cooler and a blower inside between an outer case having an open front and an inner case. A duct that forms two cool air circulation paths, and that is provided with a partition plate that faces left and right in the circulation path at the lower front end of the case body and that communicates with the cool air circulation path on the back of the case body between the two and the bottom surface of the case body. Forming two layers of cold air blown from two inner and outer cold air outlets at the upper part of the case body,
In a refrigerated open showcase that sucks air from a cool air suction port at an upper end of the duct, a part of the partition plate has a divided structure, and a divided portion thereof is detachably fixed. According to the invention having the above configuration, unlike the related art, it is not necessary to remove the entire partition plate, and only a part of the partition plate can be removed to clean the inside of the duct. Time is shortened and work efficiency is improved.

In the above refrigerated open showcase,
When the partition plate consists of an upward piece, an inward piece, and a downward piece, the partition plate can be divided into an upward piece, an inward piece, and a downward piece, or a downward piece, an upward piece, and an inward piece. Along with
It is preferable that the divided portions are detachably connected to each other. With this configuration, the divided area of the partition plate becomes large, and the inside of the duct is greatly opened, so that the inside of the duct can be cleaned more easily and in a shorter time.

In the above refrigerated open showcase,
At the center of the partition plate, a suction duct communicating with the cool air circulation path on the back of the case body is connected, and the left and right partition plates sandwiching the suction duct can be divided, and the divided left and right partition plates are sucked. It is preferable that the respective ends on the duct side are inserted into and fixed to the open ends of the suction duct. In this case, since a fixed member such as a screw is not required at the end of the divided partition plate on the suction duct side, the number thereof is minimized, and the work of attaching and detaching the divided partition plate is performed in a short time. be able to.

In the above refrigerated open showcase,
It is preferable that the divided left and right partition plates have a seal member attached to a lower end of the downward piece to seal a gap between the lower plate and the bottom surface of the case body. With this configuration, the cool air taken in from the inlet can efficiently flow into the suction duct without leaking to the outside.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a sectional view showing a refrigerated open showcase to which the present invention is applied, FIG. 2 is a perspective view showing a partition plate having a divided structure which is detachably fixed, and FIG. FIG. 5 is a partial perspective view showing a state in which cool air having a temperature difference is blown into a cool air circulation path obtained by dividing a space formed into two into two.

First, FIG. 1 shows a case body 1 constituting a refrigerated open showcase to which the present invention is applied. In FIG. 1, reference numeral 3 denotes an inner case, and 8 denotes an outer case as a heat insulating housing. The inner case 3 and the outer case 8 constitute a product display space 6 as a cool box that opens forward. Commodities can be displayed in multiple stages by a plurality of display shelves (not shown) fixed to the front surface of the case 3.

The space formed between the inner case 3 and the outer case 8 is divided into a front side and a back side by the partition plate 2 to provide two layers of cold air having a temperature difference as two cool air circulation paths. Insertion passages 4 and 5 for insertion are formed.

As shown in FIG. 3, the insertion path 5 on the rear side
Fans 19 and 21, which are dedicated blowers, are accommodated in the lower part of the inside of the insertion passage 4 on the front side.
The fan 20 is a dedicated blower that blows cool air that is relatively lower in temperature than the cool air blown by the fan.

Discharge ports 9 and 10 communicating with the respective insertion passages 4 and 5 are provided at the upper front of the case main body 1 constituting the product display space portion 6 and discharged from the upper discharge ports 9 and 10. Intakes 14 and 15 for taking in cool air are provided at the lower front end of the case body 1.

Therefore, each of the fans 19, 2
By driving 0 and 21 respectively, cool air having a temperature difference cooled by a not-shown cooler is discharged from discharge ports 9 and 10 which are outlets, and these cool air is taken out from intake ports 14 and 15. As a result, an air curtain is created in front of the product display space 6, so that the diffusion of cool air in the product display space 6 and the intrusion of heat from the outside are prevented, and the inside of the product display space 6 is prevented. The temperature is kept constant.

In this way, the taken-in air is cooled by a cooler (not shown), and is convected in the direction of the arrow in the figure, so that frozen foods, fresh foods and the like can be displayed in the product display space 6. It can be cooled to a predetermined temperature.

As shown in FIG. 2, two intakes 14 and 15 forming a part of a cool air circulation path are provided at the lower front end of the case main body 1 with respective insertion passages 4 and 5 on the back of the case main body 1. Plate D, which comprises a partition plate 24 for communicating with the suction duct 26 and a partition plate 25 facing in the left-right direction which communicates with the suction duct 26.
C is provided.

The intake port 15 is located between the inside of a front wall 22 erected below the front of the case body 1 and the bottom 23 of the case body 1, and has a cross section bent at a right angle to form an L-shaped upward piece 24a.
And a partition plate 24 composed of an inverted L-shaped inward piece 25a and an upwardly directed piece 25b.
It is composed of

Then, the partition plate 24 and the partition plate 25
The two are detachably connected to each other.

The partition plate 25 formed in an inverted L-shape is divided into left and right partition plates 25 and 25 ', and a suction duct 26 communicating with the insertion passages 4 and 5 on the back of the case body 1 is provided at the center therebetween. It is connected.

The end E on the suction duct 26 side of each of the divided partition plates 25 and 25 ′ is configured to be inserted into the open end 26 a of the suction duct 26 and fixed.

More specifically, the insertable two partition plates 2
5 and 25 'are provided with flanges F1 and F'1 formed at the upper end edges of both inward pieces 25a and 25'a. I have.

Further, both partition plates 25 and 25 'are formed with oblique flanges F formed at the lower end edges of both upward pieces 25b and 25'b.
2, seal members S are attached to the bottom surfaces of F'2, respectively.

Then, the L-shaped partition plate 24 is
4a is fixed to the inside of the front wall 22 of the case body 1 via a bracket 28 so as to form a predetermined gap serving as an intake port, and has an L-shaped partition plate 24 and an inverted L-shaped left and right partition plate. Due to the connection of 25 and 25 ', insertion passages having a triangular cross section communicating with the suction duct 26 are arranged on the left and right on the oblique corner wall surface formed by the front lower part of the case body 1 and the bottom wall 23 of the case body 1. , This insertion passage is formed by a flange F
2, F'2 The lower edges of both upward pieces 25b, 25'b are sealed by a seal member S attached to the bottom surface.

Thus, the cool air taken in from the inlet 15 is formed by the slanted corner wall surface of the case body 1, the partition plate 24, and the left and right inverted L-shaped partition plates 25 and 25 '. Suction duct 26 through the insertion passage of
And is sucked by a fan 20 described later.

Next, the inlet 14 is provided with an L-shaped partition plate 24.
Is formed by an inner partition plate 30 fixed to the inner wall surface of the upward piece 24a via brackets 29 arranged on the left and right, and the inner partition plate 30 is fixed to the inner wall surface of the upward piece 24a. Are formed, and the lower edge of the inner partition plate 30 is formed with the inward pieces 2 of the left and right partition plates 25 and 25 ′.
Predetermined gaps are also formed on the upper surfaces 5a and 25'a and the upper surface of the inward piece 24b of the partition plate 24.

Thereby, the cool air taken in from the inlet 14 flows into the bottom wall 23 of the case body 1 from the lower end edge of the inner partition plate 30 and is sucked by the fans 19, 21 described later. I have.

As described above, the upward pieces 2 of these partition plates 24 are provided.
The intake ports 14 and 15 for taking in two layers of cold air having a temperature difference are formed inside the front wall 22 by the inner wall 4 a and the inner partition plate 30.

Then, the intake 1 configured as described above
A protective cover 32 having a plurality of slits 31 connected thereto is attached to the upper end surfaces of 4 and 15.

Next, behind the suction duct 26, the insertion passage 5
A communication port 36 is formed at a lower end of the communication passage 36. A fan 20 is provided on a partition wall which obliquely partitions the front of the communication port 36, and a diagonal wall which partitions the front surface of the communication ports 35a, 35b opening at the lower end of the insertion passage 4. Fans 1 are provided on the partitions 34a and 34b.
9 and 21 are provided.

As a result, the cool air taken in from the inlet 15 and fed by the fan 20 through the suction duct 26 and the bottom wall 23 of the case body 1 on both sides of the suction duct 26 taken in from the inlet 14 The cool air pumped by the fans 19 and 21 is individually introduced into the insertion passages 4 and 5, and cool air having different temperatures is obtained by coolers of different capacities (not shown) arranged inside the insertion passages 4 and 5. It has become.

The above-mentioned partition plate 24 is not limited to the above-mentioned structure, but can be divided into an upward piece, an inward piece, and a downward piece, and a downward piece, an upward piece, and an inward piece. It can also be configured to be divisible.

Next, the operation of the refrigerated open showcase will be described.

First, by driving the fans 19, 20 and 21 provided in the insertion passages 4 and 5, the cool air discharged from the outlets 9 and 10 in the upper front part of the case main body 1 of the product display space 6 is cooled. Is sucked from the intake ports 14 and 15 provided at the lower front end of the case body 1.

When the cool air sucked from the inlet 15 is taken in through a gap formed by the upward piece 24a and the inside of the front wall 22, the L-shaped partition plate 24 and the left and right inverted L-shaped partition plates 24 are formed. The gas flows into the suction duct 26 through the insertion passage having a triangular cross section formed on the upper surfaces of the oblique corner wall surfaces of the partition plates 25, 25 ′ and the bottom wall 23 of the case main body 1.

The cool air flowing into the suction duct 26 is sucked by the fan 20 and sent to the insertion passage 5 through the communication port 36 under pressure.

On the other hand, the cool air sucked from the intake 14 is
The lower edge of the inner partition plate 30 and the left and right partition plates 25, 25 '
Of the inward pieces 25a, 25'a and the upper surface of the inward piece 24b of the partition plate 24, and flows into the bottom wall 23 of the case body 1.

The cool air flowing into the bottom wall 23 of the case body 1 is sucked by the fans 19 and 21 and is provided with a pair of communication ports 3.
It is pressure-fed to the insertion passage 4 via 5a and 35b.

In this manner, unlike the conventional case, it is not necessary to remove the entire partition plate, and only the left and right partition plates 25 and 25 ', which are part of the partition plate, can be removed to clean the inside of the duct. In addition, the time required for removing and cleaning the partition plate and the like are shortened, and the work efficiency is improved.

Further, the partition plate 24 and the partition plate 25 are detachably connected to each other, and the inverted L-shaped partition plate is divided into left and right partition plates 25, 25 '. 25 'is the open end 26 of the suction duct 26
Since the partition plate is configured to be inserted into and fixed to the partition a, the divided area of the partition plate becomes large and the inside of the duct is largely opened, so that the cleaning of the inside of the duct and the like can be performed more easily and in a shorter time. .

Further, seal members S are respectively attached to the bottom surfaces of the oblique flanges F2 and F'2 formed at the lower end edges of the partition plates 25 and 25 '. Since the lower edge of the 'b is securely sealed, the cool air taken in from the inlet 15 does not leak to the outside and can efficiently flow into the suction duct 26.

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 even if there are changes and additions without departing from the gist of the present invention, the present invention will be described. Included in the invention.

[0049]

According to the present invention, the following effects can be obtained.

(A) According to the first aspect of the present invention, it is not necessary to remove the entire partition plate as in the related art, and it is possible to remove only a part of the partition plate and clean the inside of the duct. The time required for removal work and cleaning of the partition plate is reduced, and work efficiency is improved.

(B) According to the second aspect of the present invention, since the divided area of the partition plate becomes large and the inside of the duct is largely opened, the cleaning of the inside of the duct and the like can be performed more easily and in a shorter time. be able to.

(C) According to the third aspect of the present invention, a fixed member such as a screw is not required at the end of the divided partition plate on the suction duct side. The work of attaching and detaching the divided partition plate can be performed in a short time.

(D) According to the fourth aspect of the invention, the cool air taken in from the inlet can efficiently flow into the suction duct without leaking to the outside.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a refrigerated open showcase to which the present invention is applied.

FIG. 2 is a perspective view showing a partition plate having a divided structure detachably fixed.

FIG. 3 is a partial perspective view showing a state in which cool air having a temperature difference is blown into a cool air circulation path in which a space formed between an inner case and an outer case is divided into two.

FIG. 4 is a perspective view showing an integrally formed partition plate used in a conventional refrigerated open showcase.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Case main body 2 Partition plate 3 Inner case 4 Insertion path 5 Insertion path 6 Commodity display space part 8 Outer case 9, 10 Discharge port 14, 15 Intake port 19, 20, 21 Fan (blower) 22 Front wall 23 Bottom wall 24 Partition plate 24a Upward piece 24b Inward piece 25 Partition plate 25a Inward piece 25b Upward piece 26 Suction duct 26a Open end 28, 29 Bracket 30 Inner partition plate 31 Slit 32 Protective cover 34a, 34b Partition wall 35a, 35b Communication port 36 Communication Port B Screw DC Duct E Side end F1, F2 Flange S Sealing member

Claims (4)

[Claims] 1. A cool air circulation path including a cooler and a blower therein formed between an outer case and an inner case having an open front surface, and a cool air circulation path at a lower front end of a case body. A duct which communicates with the cool air circulation path on the back of the case body between the bottom plate and the bottom of the case body, and a two-layer blown from two inner and outer cool air outlets on the upper part of the case body. Refrigerated open showcase wherein the cold air is sucked through a cold air suction port at the upper end of the duct, wherein a part of the partition plate is divided and the divided portion is detachably fixed. . 2. A partition plate comprising an upwardly directed piece, an inwardly directed piece, and a downwardly directed piece, wherein the upwardly directed piece, an inwardly directed piece, and a downwardly directed piece, or a downwardly directed piece, an upwardly directed piece, and an inwardly directed piece. The refrigerated open showcase according to claim 1, wherein the refrigerated open showcase can be divided into pieces, and the divided portions are detachably connected to each other. 3. A suction duct connected to a cool air circulation path on the back of the case body connected to the center of the partition plate, wherein the left and right partition plates sandwiching the suction duct can be divided, and the divided left and right partitions can be separated. The refrigerated open showcase according to claim 1 or 2, wherein each end of the partition plate on the suction duct side is inserted into and fixed to an opening end of the suction duct. 4. The refrigerated open showcase according to claim 3, wherein the divided left and right partition plates have a seal member attached to a lower end portion of the downwardly directed piece to seal between the lower end portion and a bottom surface of the case body.