JPH08145532A - Rear load type refrigeration show case - Google Patents

Abstract

PURPOSE: To provide a rear load type refrigeration show case capable of demonstrating excellent effect in view of installation work of the show case, space efficiency in refrigerator, exhibition property of goods, and handling property of a cart additionally to ensurance of higher cold keeping performance. CONSTITUTION: A rear load type refrigeration show case 4 is constructed such that it is installed parallely to a refrigeration warehouse 1 in a counter 2 in a shop so as to directly carry a goods exhibition cart 3 into a refrigerator for circulating cold air between it and the refrigeration warehouse. In the refrigeration show case 4, the case body is constructed with a self-standing heat insulation casing with three surfaces of its front surface, back surface, and floor surface being opened. Herein, the case body is constructed with a ceiling part 5 in which a condenser 12 and a fan 16 are assembled by defining inner and outer ducts 13, 14, a front part 6 including a suction fan 19 therein, and left and right and intermediate frames 7, 8 coupling between the ceiling part and the front part, and upper and lower goods exhibition shelves 10 are installed with the frames used as shelf support columns and a rear curtain 21 is laid on the back of the case body.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refrigerating / refrigerating rear-load refrigerating showcase which is installed in a large store such as a supermarket to exhibit and sell fresh and frozen foods.

[0002]

2. Description of the Related Art As a refrigerated showcase facility that allows quick and easy replenishment of merchandise to a refrigerated showcase installed in a store floor, it is connected to a refrigerated warehouse for storing merchandise built inside a store building. By constructing the case body of the refrigerated showcase (open showcase) on the floor of the store side, you can carry the product display cart directly into the showcase from the back through the opening of the refrigerated warehouse (rear load type) The structure is known from Japanese Utility Model Publication No. 51-30215, and the adoption of a rear-load refrigerated showcase tends to be widespread in recent large stores in order to rationalize product management.

In such a refrigerating showcase facility, a part of the cool air from the refrigerating warehouse is taken into a ventilation duct formed by being connected to the back and the ceiling of the case body through an inlet opening on the back of the refrigerating showcase, and the cold air flow. After re-cooling with a cooler built into the duct, blow out a cool air curtain from the top downward on the front of the case body,
The air curtain cold airflow is collected by a suction fan incorporated in the front part provided at the lower front of the case body, and is further circulated to the refrigerated warehouse via the floor side of the case warehouse to circulate and show. The product display shelves provided in the upper part of the case storage and the products displayed on the carts loaded into the case from the cold storage are kept cool. Further, the replenishment of goods can be carried out by loading the cart in the refrigerated warehouse and directly carrying the cart from the refrigerated warehouse to the inside of the refrigerator through the back of the refrigerated showcase without passing through the aisle of the in-store sales floor.

[0004]

By the way, the rear-load refrigerating showcase used in combination with the refrigerating warehouse as described above not only ensures a high cooling performance, but also in addition to showcase installation work and products. Improvements in terms of displayability and handling of carts are desired.
That is, 1) Installation of the showcase is easy and the existing store can be supported.

2) It is possible to display products in a space-efficient manner by eliminating dead space in the showcase as much as possible. 3) The display form of the products can be changed in various ways. 4) Easy and smooth movement of the product display cart between loading and unloading between the refrigerated warehouse and the showcase.

5) When replenishing the showcase with goods, the refrigerating warehouse should not be subjected to thermal disturbance as much as possible. The present invention has been made in view of the above points, and an object thereof is to ensure high cooling performance, installation of a showcase, space efficiency in a warehouse, and product displayability so as to satisfy the above requirements. , It is to provide a rear-load refrigerated showcase that can exert excellent effects in terms of handling the cart.

[0007]

In order to achieve the above object, the rear-load refrigerating showcase of the present invention is constructed as follows. In other words, a cold air circulation type rear-load refrigeration show installed on the store floor side of the store connected to the opening of the refrigerated warehouse so that the product display cart can be directly carried into the store from the refrigerated storage for merchandise storage built inside the store building. For cases, (1) The refrigerated showcase body is composed of a self-supporting heat-insulating housing with the three front surface areas, the front surface, the rear surface, and the floor, excluding the ceiling, the left and right side surfaces, and the lower front surface, open. .

(2) Here, the case body has a built-in air duct suction fan with a cooler and a ceiling part incorporating an air curtain blower fan in a ventilation duct whose rear end face opens toward a refrigerating warehouse. It is constructed by a front part arranged on the lower part of the front surface, an L-shaped left and right frame connecting the ceiling part and the front part, and an intermediate partition frame,
In addition, a rear curtain is laid on the back of the case body leading to the refrigerated warehouse, leaving a gap between it and the floor.

(3) In the above paragraph (2), the ventilation duct defined in the ceiling is divided into an inner duct with a built-in cooler and an outer duct without a cooler, and an inner duct and an outer duct are provided on the inlet side of the draft duct. A cold air intake plenum with a fan common to both parties will be provided. An air volume adjusting plate is provided at the inlet end of the outer duct to distribute the amount of cool air flowing through the inner duct and the outer duct in a predetermined ratio. Road-type refrigerated showcase.

(4) In the above item (2), the mutual intervals of the left and right frames and the partition frame which form the case body are
Set according to the size width occupied by one or more product display carts. (5) In the above item (2), the rear curtain is composed of a sliding door curtain in which flexible curtain sheets divided into strips are arranged side by side and hung on a curtain rail.

(6) In the above item (2), the left and right frames and the partition frame are used as shelf columns, and product display shelves arranged vertically in front of the shelf columns are detachably installed. Here, the product display shelf is composed of a shelf plate and a bracket that carries the shelf plate and hangs it on a shelf post, and the shelf post has a locking hole that hangs the bracket over the entire length of the shelf post. Are arranged side by side in multiple stages.

(7) An air guide duct for guiding the air curtain cool air flow collected at the front portion toward the refrigerated warehouse behind is provided on the floor surface inside the case body described above. Then, the wind guide duct is arranged on the lower surface side of the cart in accordance with the carry-in position of the cart for displaying the product, and guide rails for guiding the cart are laid on both left and right sides of the wind guide duct along the wind guide duct.

(8) Instead of installing the wind guide duct described in (7) above on the floor side of the showcase cabinet, the wind guide duct is provided on the lower surface of the cart of the product display cart, and the front part of the case body is provided. The air curtain cold air flow collected in step 3 is guided toward the cold storage in the back.

[0014]

With the above construction, by constructing the case body with a self-supporting heat-insulating housing as described in (1) and (2), preparatory work such as reinforcement on the building side for installing the showcase is performed. There is no need to apply it, and the showcases assembled on site can be easily installed simply by arranging them on the floor surface on the sales floor side by connecting them to the opening of the refrigerated warehouse and arranging them easily at existing stores.

Here, by constructing the ceiling portion of the case main body as described in item (3), the cool air taken into the showcase from the refrigerating warehouse side is supplied to the inner duct with the cooler.
Two layers of inner and outer air curtains, which are an inner air curtain and an outer air curtain, are blown out and formed on the front surface of the case main body while being distributed to the outer duct in a predetermined air volume ratio and with a uniform wind velocity distribution. As a result, a high shielding effect can be obtained against the intrusion of outside air heat into the refrigerator. In addition, by having a structure in which the cooler and the fan are integrated into the ceiling part, it is possible to efficiently utilize the entire interior of the refrigerator below the ceiling part as a product display space.

Further, as described in the item (4), the mutual intervals of the left and right frames and the partition frame constituting the case main body are set in accordance with the dimensional width occupied by one or a plurality of product display carts. Therefore, no dead space is generated between the frame and the cart, and this frame also serves as a positioning guide when the cart is carried in. Also,
As described in item (5), the rear curtain laid on the back of the case body is composed of sliding door curtains in which flexible curtain sheets such as strip-shaped vinyl sheets are arranged side by side and hung on the curtain rails. By doing so, when visually checking the inside of the showcase from the refrigerated warehouse side or partially replenishing the display shelves in the warehouse, the curtain should be kept closed in the closed position. The work can be performed by slightly opening a part of the strip-shaped curtain sheet. This makes it possible to favorably avoid problems such as a large amount of cold air flowing out from the refrigerated warehouse and a large amount of outside air entering through the front opening of the showcase. Furthermore, by using a sliding door type curtain, the curtain sheet itself does not wrinkle and break, and the durability is improved accordingly.

Further, as in the item (6), the left and right frames and the partition frame constituting the case body are used as shelf columns.
The product display shelves arranged vertically in front of it are configured to be detachably installed, and the product display shelf includes a shelf plate and a bracket that holds the shelf plate and hangs it on the shelf post. By providing locking holes for hanging the bracket in the upper and lower stages over its entire length, it is possible to display products by arranging the product display shelves and the product display carts vertically in the showcase. Of course, it is also possible to use the product display shelves by arranging only the product display shelves in a multi-tiered manner in the entire area without using a cart to display and sell the product.

Further, as described in (7) or (8), the air curtain cold air flow collected at the front part is placed on the floor surface inside the case body or on the underside of the cart for the product display cart. By providing an air guide duct for guiding to the refrigerated warehouse, the air curtain cold air flow collected at the front part of the case body flows back to the refrigerated warehouse through the bottom side of the inside of the case, and cart carts and casters These prevent obstacles such as the disturbance of the cold airflow, the short circuit of the cold airflow to the front part, which disturbs the air curtain, etc., and the cool airflow to be smoothly returned to the refrigerated warehouse side through the air duct. be able to.

Further, in this case, the air guide duct installed on the floor side of the inside of the store is arranged on the lower surface side of the cart in accordance with the carry-in position of the cart for displaying products, and the left and right sides of the air guide duct are provided along the air guide duct. By laying guide rails for pulling in the cart on both sides, there is no unnecessary interference such as collision of the wind guide duct with the cart when loading or unloading the cart, and the cart can be smoothly loaded to the designated exhibition position. it can.

[0020]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a sectional view showing the construction of a refrigerating showcase installed in a store, FIG. 2 is an exploded perspective view of a case body, and FIG. 3 is a diagram schematically showing the plan view of FIG. First, in FIG.
Reference numeral 1 denotes a refrigerating warehouse for product storage constructed in the building of the store. A product display cart 3 is directly stored from the refrigerating warehouse 1 on the sales floor 2 side in the store by connecting to the opening 1a of the refrigerating warehouse 1. A rear-load refrigerated showcase 4 (open showcase) that can be carried inside is installed.

Here, as shown in the exploded view of FIG. 2, the case main body of the refrigerating showcase 4 is open at the front, back, and floor sides, and the ceiling, left and right sides, and the lower front are covered with heat insulating walls. It is configured as a self-supporting heat insulating housing. Figure 2
5, 5 is a ceiling part, 6 is a front part at the lower front, and 7
Is an L-shaped left and right frame made of a steel plate that connects the ceiling part 5 and the front part 6, 8 is a partition frame arranged in the middle of the left and right frames 7, and 9 is a left and right side plate. Assemble the self-supporting case body by fastening bolts between them. Further, reference numeral 10 is a product display shelf in which the frames 7 and 8 are used as shelf columns so as to span the space between them, and the product display shelf 10 is a shelf board 10a.
And a bracket 10b for supporting the left and right ends of the shelf board 10a, and a locking claw protruding to the rear end of the bracket 10b,
It is fixed in place by inserting it into the locking holes (square holes) that are distributed in the vertical full length area on the shelf column side and open in multiple vertical steps.

Returning to FIG. 1, a ventilation duct having a rear end face opened toward the inside of the refrigerating warehouse 1 is defined inside the ceiling portion 5 of the case body, and the ventilation duct is a cooler. (Evaporator of refrigerator) 12 is divided into an inner duct 13 and an outer duct 14, and the duct 1
3 and 14 open toward the front of the case body,
The air curtain outlet port 15 is formed here. Further, as shown in FIG. 5, a cold air suction plenum 17 common to the ducts 13 and 14 in which a plurality of fans 16 are juxtaposed is incorporated at the rear end of the ventilation duct. Then, at the inlet end of the outer duct 14, a predetermined air flow rate ratio of the cool airflow flowing through the inner duct 13 and the outer duct 14 (for example, 1.5:
There is provided an air volume adjusting plate 18 (a kind of ventilation resistance plate, in which ventilation holes are opened so as to give a proper ventilation resistance to the plate arranged at the inlet of the duct).
In order to prevent cold air from leaking between the ceiling 5 and the refrigerated warehouse 1, it is preferable to seal the gap between the peripheral edge of the cool air plenum 17 and the wall surface on the warehouse side with a sealing material or the like. Further, an air curtain suction duct 20 incorporating a suction fan 19 is provided on the front portion 6 of the case body, and a grille serving as an air curtain suction port is opened on the upper surface of the duct 20.

On the other hand, a rear curtain 21 is provided on the back surface of the case body so as to partition the interior of the showcase from the refrigerated warehouse 1. As shown in FIG. 4, the rear curtain 21 has a plurality of strip-shaped sheets (sheets of a flexible material such as vinyl) 21a arranged side by side, and a curtain rail 21c (curtain) on the upper side via a suspender 21b. The rail 23 is attached to the rear surface of the case body) to serve as a sliding door type hanging curtain. The length of the rear curtain 21 in the vertical direction is set so as to leave a gap as a recirculation passage for the cool airflow with the floor surface. By thus arranging the curtain sheets 21a divided into strips to form the sliding door type rear curtain 21, the inside of the showcase is visually inspected from the refrigerating warehouse 1 side, or the product is partially displayed on the display shelf 10.
When replenishing the sheet, the slit 21 of the strip-shaped sheet 21a can be locally opened as shown in FIG. 4 and the necessary work can be performed without fully opening the curtain 21. Also, the curtain 21
The sliding door type allows the seat to be opened and closed while keeping it on a flat surface, so there is no trouble that the seat is repeatedly folded and damaged from the folds every time it is opened and closed like a normal curtain, and it can be used for a long time. Withstand the use of.

With such a structure, when the cart 3 for displaying goods is carried in or out of the refrigerated showcase 3 from the refrigerated warehouse 1, the above-mentioned rear curtain 21 is opened / closed along the curtain rail 21c, and the cart is opened. Move in and out while moving on the floor. In this case, as shown in FIG. 3, the interval L between the left and right frames 7 of the case body and the partition frame 8 is set in accordance with the occupied width of one or a plurality of carts 3 lined up in the storage. This makes it convenient to leave the dead space between the frame and the cart and to position the cart 3 carried in the warehouse at a fixed position using the frames 7 and 8 as guides. When the product display cart 3 is drawn into the store of the showcase to display and sell the products, the product display shelf 10 is installed in the space above the cart 3 here. Also, in the case of displaying and selling products without using the cart 3, a display similar to a normal multi-stage refrigerated showcase is performed by arranging deck pans between the product display shelves 10 and the floor in the lower space of the storage. It can also take the form.

Next, the cooling operation of the refrigerated showcase is shown in FIG.
Will be described with reference to. Refrigerated showcase 4 as shown
With the cart 3 loaded into the refrigerator, and with the rear curtain 21 on the back closed, the cooler 12 and the fans 16, 1
When 9 is operated, cold air is sucked from the inside of the refrigerated warehouse 1 through the cold air suction plenum 17 incorporated in the ceiling 5 of the showcase, and then distributed in a predetermined air volume ratio to pass through the inner duct 13 and the outer duct 14 and Inner air curtain A, outer air curtain B on the front
To form. The cold airflow passing through the inner duct 13 exchanges heat with the cooler 12 and is recooled to a low temperature.
On the other hand, the air curtains A and B are collected by the suction fan 19 incorporated in the front portion 6 into the suction duct 20 and then blown toward the bottom of the inside of the compartment, and are blown backward along the floor surface to form the rear curtain 21. The air is circulated and blown back to the refrigerated warehouse 1 through a gap between the floor and the floor. By such cold air circulation, the products displayed in the showcase are kept cool, while the inside and outside two layers of the air curtains A and B satisfactorily prevent outside heat from entering the store.

Further, FIGS. 6A and 6B show the showcase 4
2 shows an application example of the present invention in which a baffle duct 22 for the reflux cold airflow is additionally provided on the floor side of the inside of the refrigerator. That is, with the configuration of FIG. 1 as it is, the cold airflow blown from the front part 6 to the rear of the refrigerator is disturbed by the carts and casters of the carts 3 arranged in the refrigerator, and a part of the airflow is returned to the cold storage 1. From the middle of the air flow path without doing
There is a risk that the air curtains A and B will be disturbed by a short circuit to the air curtain suction port side. Therefore,
As shown in the drawing, a gutter-shaped air guide duct 22 is laid on the floor surface inside the chamber, and the cool airflow discharged from the fan 19 of the front part 6 is guided through the air guide duct 22 to the refrigerated warehouse 1 behind. By doing so, the cold airflow can be smoothly returned to the refrigerated warehouse without being affected by the interference with the cart 3 or the like. In this case, the air ducts 22 are preferably arranged so as to be aligned with the lower surface of the trolley in alignment with the cart 3 carried into the showcase. Further, if the air guide duct 22 is formed by sheet metal working of a steel plate, and the guide rails 23 on which the casters of the cart 3 are placed are integrally formed along the left and right sides of the air guide duct 22 as shown in the figure, the cart 3 This is convenient because it can be easily moved and positioned when it is carried in from the refrigerated warehouse 1 to the inside of the showcase 4.

Further, FIG. 7 shows an application example in which the air guide duct 22 is attached to the lower surface of the cart of the cart 3 instead of being laid on the floor surface in the refrigerator. With this configuration as well, as in FIG. 6, the refrigerated warehouse 1 does not disturb the reflux cold airflow without disturbing it.
It is possible to smoothly guide the air to.

[0028]

As described above, according to the structure of the present invention, the case body of the refrigerating showcase has a self-supporting structure, so that a special spare is provided on the building or refrigerating warehouse side at the location of use. Just by performing simple assembly work like a normal refrigerated showcase without performing work, it can be installed in a refrigerated warehouse and installed at a predetermined position in the in-store sales floor, which allows existing stores to be supported. It will be possible. In addition, by adopting the structure according to claims 2 to 11 of the present invention, while ensuring high cooling performance, space efficiency in the warehouse, displayability of products, and handleability of a cart carried in from the refrigerated warehouse side. It is possible to provide a rear-load refrigerated showcase with high practical value that exhibits excellent effects in terms of the above.

[Brief description of drawings]

FIG. 1 is a vertical sectional side view of a rear-load refrigerated showcase according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of the case main body shown in FIG.

FIG. 3 is a plan view schematically showing the showcase of FIG.

FIG. 4 is a rear view of the rear curtain in FIG.

5 is a partial perspective view of the ceiling portion in FIG.

[Fig. 6] Fig. 6 is a configuration diagram of an application example of the present invention in which an airflow duct for a reflux cold airflow is provided on the floor surface in the refrigerator, (a) is a partially cutaway front view, and (b) is a side view. Figure

FIG. 7 is a perspective view showing a configuration of an application example in which a wind guide duct is provided in a product display cart.

[Explanation of symbols]

 1 Refrigerator Warehouse 1a Opening 2 In-store floor 3 Cart for product display 4 Refrigerating showcase 5 Ceiling part 6 Front part 7 Left and right frame 8 Partition frame 10 Product display shelf 10a Shelf board 10b Bracket 11 Locking hole 12 Cooler 13 Inner duct 14 Outer duct 15 Air curtain outlet 16 Fan 17 Cold air intake plenum 18 Air volume control plate 19 Suction fan 21 Rear curtain 21a Strip curtain sheet 21b Curtain hanging device 21c Curtain rail 22 Wind guide duct 23 Cart guide rail

Claims (11)

[Claims] [Claim 1] A rear-load refrigerated showcase installed on the sales floor side of the store connected to the opening of the refrigerated warehouse so that the product display cart can be directly carried into the store from the refrigerated warehouse for product storage built in the store building. The showcase takes in cool air from the refrigerating warehouse side to blow out and form an air curtain on the front surface of the case main body, and collects the air curtain cool airflow to recirculate it from the floor side in the refrigerator to the refrigerating warehouse. In this case, the case body of the showcase is installed on the ceiling, the left and right side surfaces,
A rear-load refrigerated showcase characterized by being composed of a self-supporting heat-insulating housing in which the front, back, and floor surfaces, excluding the lower front portion, are open. 2. The refrigerating showcase according to claim 1, wherein the case body has a ceiling part in which a cooler and an air curtain blowing fan are incorporated in a ventilation duct whose rear end face opens toward the refrigerating warehouse, and an air curtain suction fan. Built in the front part, which is installed in the lower part of the front face, and which connects the ceiling part and the front part, and the L-shaped left and right frames, and the intermediate partition frame, and on the back side of the case body leading to the refrigerated warehouse. A rear-load refrigerated showcase featuring a rear curtain installed with a gap left between the floor and the floor. 3. The refrigerating showcase according to claim 2, wherein the ventilation duct defined in the ceiling is divided into an inner duct with a built-in cooler and an outer duct without a cooler, and an inner duct is provided at the inlet side of the draft duct. A rear-load refrigerated showcase characterized by having a fan-equipped cold air suction plenum common to both outer ducts. 4. The rear-load refrigerating show according to claim 3, further comprising an air volume adjusting plate at an inlet end of the outer duct, the air volume adjusting plate distributing an amount of cool air flowing through the inner duct and the outer duct in a predetermined ratio. Case. 5. The refrigerating showcase according to claim 2, wherein the mutual intervals of the left and right frames and the partition frame are set according to the dimension width occupied by one or a plurality of product display carts. Cold storage showcase. 6. The refrigerated showcase according to claim 2, wherein the rear curtain is constituted by a sliding door curtain in which flexible curtain sheets divided into strips are arranged side by side and hung on a curtain rail. Rear load refrigerated showcase. 7. The rear-load refrigeration show according to claim 2, wherein the left and right frames and the partition frame serve as shelf columns, and product display shelves arranged vertically in front of the shelf columns are detachably installed. Case. 8. The refrigerated showcase according to claim 7, wherein the product display shelf comprises a shelf plate and a bracket which holds the shelf plate and hangs it on the shelf column, and the shelf column has a full-length region. A rear-load refrigerated showcase characterized in that locking holes for hooking the brackets are arranged in a multi-tiered manner up and down. 9. The refrigerating showcase according to claim 1, wherein an air guide duct for guiding the air curtain cool air flow collected at the front part toward a refrigerating warehouse behind, on the floor surface inside the case body. A rear-load refrigerated showcase characterized by having. 10. The refrigerated showcase according to claim 9, wherein the wind guide ducts are provided on the lower surface side of the cart in accordance with the carry-in position of the cart for displaying products, and the carts are provided along the wind guide ducts on the left and right sides thereof. A rear-load refrigerated showcase featuring a guide rail for pulling in. 11. The refrigerated showcase according to claim 1, wherein air guide cold airflow collected at a front portion of the case body is guided to a lower surface of the cart of the product display cart toward a refrigerated warehouse behind. A rear-load refrigerated showcase featuring a duct.