JP3419125B2 - Flat open showcase - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flat open showcase, and more particularly to a back structure in a refrigerator.

[0002]

2. Description of the Related Art First, as an example of a flat open showcase to which the present invention is applied, a conventional double-sided flat open showcase provided with two product accommodating portions in the refrigerator and a conventional partition fence installed in the refrigerator 2 and 3 show the mounting structure in FIG. In each drawing, 1 is an outer box of an open-top case main body called a boat bottom, 2 is an inner box that defines two product accommodating portions 3 inside the box, and 4 is an outer box that surrounds the inner box 2. A cool air circulation duct defined between the parts, 5 a cooler, 6 a fan, 7 a windshield, 8 a center table, 9
Are side walls arranged on the left and right end surfaces of the case body, and 10 is an in-compartment partition fence installed in the store as an optional item. Although the wire fence is shown in the figure, there is also a panel fence made of acrylic resin or the like.

Here, the inner box 2 comprises a front panel 2a, a rear panel 2b and a deck pan 2c, and a front duct 4 is provided between the outer box 1 and the front panel 2a, deck pan 2c.
a, the lower duct 4c, and the rear duct 4b is defined between the rear panels 2b arranged in the front and rear in the center of the refrigerator,
The cooler 5 and the fan 6 are arranged in the lower duct 4c. Further, an air curtain outlet 11 incorporating a rectifying vane, a honeycomb, etc. is opened at the upper part of the rear duct 4c toward the upper surface of the product storage section 3.

On the other hand, in order to mount the required number of wire type partition fences 10 at desired positions in the cabinet, the inner box 2
The front panel 2a and the rear panel 2b of the same are provided with mounting brackets 12 arranged in a rail shape along the longitudinal direction thereof, and the wire arms 10a protruding forward and backward from the upper part of the inside partition fence 10 are mounted on the mounting brackets 12 described above. It is hooked on and fixedly supported at a desired position.

In such a structure, the cold air that has exchanged heat with the cooler 5 flows through the cool air circulation duct 4 as shown by the arrow during the cold insulation operation, and is directed to the upper surface of the case main body from the air curtain outlet 11 opening at the upper part of the rear duct 4b. The cold air curtain A is blown out to cool the products stored in the product storage unit 3. Further, when the goods are sorted and displayed according to the type in the refrigerator, the partition fence 10 as an optional item is attached to the refrigerator.

[0006]

The flat open showcase described above has the following problems. 1) In cold storage operation under high temperature and high humidity, dew condensation or frost formation occurs due to turbulence of the air curtain airflow around the air curtain outlet 11 from which cold air is blown, entrapment inside the refrigerator, etc. Air curtain outlet 11 if left unattended
It becomes very unsightly to see because it freezes on the lower edge of the ice and grows into an icicle-shaped icicle ICE that hangs down. Therefore, in the past, measures were taken to prevent condensation and frost formation by installing a dew-proof heater at the air curtain outlet, but the heat generated by the dew-proof heater increases the refrigeration load, and The power consumption increases due to the energization, and the running cost of the showcase increases.

2) Mounting brackets 12 are installed as standard parts on the front panel 2a and the rear panel 2b of the inner box 2 in order to accommodate the installation of the internal partition fence 10 as an optional item. When 10 is not used, since the mounting bracket 12 projects into the interior of the warehouse, it obstructs the display of products due to the eyesight and also causes the effective volume in the warehouse to be narrowed.

The present invention has been made in view of the above points, and an object of the present invention is to prevent dew condensation and frost formation at the air curtain outlet without using a dew-proof heater, and at the same time, to specialize the interior partition fence. An object of the present invention is to provide a flat open showcase that solves the above problems at once by enabling it to be fixedly supported at an arbitrary position without providing a mounting bracket or the like, and in particular, its back structure.

[0009]

In order to achieve the above object, according to the present invention, a cooler and a fan are provided in a cool air circulation duct defined between an outer case and an inner case of an open top type case body. In a flat open showcase in which a cool air curtain is blown out from the air curtain outlet opening at the top of the rear duct to the upper surface of the case body to keep the inside of the cabinet cool, the inside of the air curtain outlet is set along the lower edge side. Cold air blowout holes, which also function as insertion holes for fixing partition fences, shall be distributed and punched on the upper part of the rear panel of the box.

In the above-mentioned compartment partition fence, the wire arms projecting forward and backward from the upper part are hooked in the insertion holes formed in the front panel and the rear panel of the inner box, respectively, and fixedly supported at a desired position in the compartment. It shall be.

[0011]

With the above configuration, during the cold insulation operation, in parallel with the blowing of the cool air curtain from the air curtain outlet,
Cold air having the same temperature as the air curtain blows out from the cold air blowout hole drilled in the rear panel toward the lower edge side of the air curtain outlet. As a result, turbulence and entrainment of the air curtain airflow around the air curtain outlet, and dew condensation and frost formation resulting therefrom are prevented.

Further, the above-mentioned cold air blowout holes which are perforated in the longitudinal direction of the back panel are used, and the wire arms projecting from the rear part of the interior partition fence are inserted thereinto.
By hooking the other wire arm protruding from the front part of the fence to the edge of the front panel, the partition fence inside the cabinet can be fixed and supported at any position in the cabinet as needed without equipping a special mounting bracket. be able to.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIG. In FIG. 1, the same members corresponding to those in FIGS. 2 and 3 are designated by the same reference numerals. 1 (a) and 1 (b), the structure of the open showcase is basically the same as that of FIG. 2, but in particular, on the upper part of the rear panel 2b of the inner box 2, along the lower edge side of the air curtain outlet 11. A large number of cold air blowout holes 13, which also serve as insertion holes for fixing the fence, which are dispersed and opened at regular pitches, are perforated. This cold air outlet 13
May be a round hole, a square hole, or an elliptical hole. The opening position and direction of the hole are toward the lower edge of the air curtain outlet 11 in the same direction as the cool air curtain A as shown in FIG. It is specified that the cold airflow B is blown out. In addition, 11a is a rectification vane.

As a result, the occurrence of dew condensation and frost formation due to the entrainment of the air curtain airflow around the air curtain outlet 11, particularly on the lower edge side, can be effectively prevented. This has been confirmed and evaluated based on the actual machine test results. On the other hand, when an in-compartment partition fence (wire-type fence) 10 separately prepared as an optional item is installed at an arbitrary place in the compartment as needed, the partition fence 10
Of the wire arms 10a protruding from the front and rear, the wire arm protruding rearward is inserted here by utilizing the above-mentioned cold air blowout hole 13, and the wire arm protruding forward is hooked on the upper edge of the front panel 2a. 10 is fixedly supported between the front panel 2a and the rear panel 2b. Further, by selecting the position of the hole into which the wire arm 10a is inserted, the partition fence 10 can be easily moved to a desired position.

Although the illustrated embodiment shows a double-sided flat open showcase, it goes without saying that the same can be applied to a wall flat open showcase.

[0016]

As described above, according to the structure of the present invention, the cool air blowout also functions as the insertion hole for fixing the partition fence along the lower edge side of the air curtain blowout port on the upper part of the rear panel of the inner box. The following effects are obtained by dispersing the holes and making the holes. 1) Prevents turbulence and entrainment of the air curtain airflow around the air curtain outlet, and prevents the formation of annoying icicles in this area, which eliminates the need to install a dew-proof heater and reduces power consumption. Electrification can be achieved.

2) It is not necessary to install a mounting bracket as in the conventional structure on the inside of the refrigerator in order to mount the inside partition fence prepared as an optional item, and the cold air blowout hole perforated on the rear panel is used for the fence. Simply insert the wire arm of the fence here by using it for the insertion hole for fixing,
The partition fence can be easily attached to a desired position in the cabinet. Moreover, compared to the conventional structure, since the mounting bracket is not installed inside the refrigerator, there are advantages that the effective volume in the refrigerator is not narrowed and the appearance is not bad, and the number of parts is reduced to reduce the cost. To be

[Brief description of drawings]

1A and 1B are configuration diagrams of a main part of a flat open showcase according to an embodiment of the present invention, in which FIG. 1A is a bird's-eye view of an internal compartment structure together with an internal partition fence, and FIG. Figure

FIG. 2 is a schematic configuration diagram of a double-sided flat open showcase to which the present invention is applied.

FIG. 3 is a cross-sectional view of a conventional assembling structure inside a room, which is also shown together with an inside partition fence.

[Explanation of symbols]

1 Outer Box of Case Body 2 Inner Box 2a Front Panel 2b Rear Panel 2c Deck Pan 3 Product Storage Section 4 Cold Air Circulation Duct 4b Rear Duct 5 Cooler 6 Fan 10 Internal Partition Fence 10a Wire Arm 11 Air Curtain Blowout 13 Partition Fence Fixed Cold air outlet that doubles as an insertion hole for

Claims (2)

(57) [Claims] 1. A cooler and a fan are installed in a cool air circulation duct defined between an outer box and an inner box of a top open type case body, and an air curtain outlet opening at an upper part of the rear duct is provided to the top surface of the case body. In the flat open showcase that cools the inside by blowing out a cool air curtain on the
A flat open showcase characterized in that cold air blowout holes, which also function as insertion holes for fixing a partition fence, are distributed and punched along the lower edge side of the air curtain blowout port, at the upper part of the rear panel of the inner box. 2. The flat open showcase according to claim 1, wherein the wire arms projecting forward and backward from the interior partition fence are hooked into insertion holes formed in the front panel and the rear panel of the inner box, respectively, to form the fence. A flat open showcase that is fixedly supported at a desired position inside.