JPH01277514A - Showcase - Google Patents

Abstract

PURPOSE:To obtain a structure suitable for respectively maintaining heat insulating spaces between an internal plate and a middle plate and the external plate and the middle plate by providing the cover of a triple layers structure, improving an heat insulation effect and maintaining the middle plate at the intermediate position between the internal plate and the external plate. CONSTITUTION:A base 2 for mounting goods on an upper face and a stereoscopic cover 3 with an opening on a lower face constituting the storing chamber of the goods for cooling or heating and covering the goods on the base 2 are provided. This cover 3 is constituted of an internal plate 17, a middle plate 19 and an external plate 18 placed in parallel with spaces maintained therebetween so as to constitute the main body of the cover. In the internal plate 17, a flange 21 externally extending so as to circulate on a lower end circumference is provided. In this flange 21 are integrally formed a groove 22 to which the lower end limb of the external plate 18 enters, a mounting part 24 for mounting the lower end of the middle plate 19 situated at the internal part of the groove 22 and the attaching part 26 of an annular packing 20 for sealing between the base 2 and the cover 3. Consequently, a heat insulation effect can be completely improved.

Description

Detailed Description of the Invention A. Object of the Invention 1. Field of Industrial Application The present invention provides a method for heating or cooling a product in a space above a base having a placing section on the upper surface for placing the product. The present invention relates to a showcase provided with a cover so as to constitute a storage room for storage.

1 Conventional technology.

Utility Model No. 61-145283 A storage device in which a storage section for fresh sweets, etc. is formed in a transparent manner on a device box with a built-in cooling section.
It is disclosed in the publication No.

This container uses a blower to circulate air cooled by an electronic cooling element to the storage section. Furthermore, the cover constituting the storage section is kept face down on the device box, and there is no special structure for the seal between this cover and the device box.

This type of device is also disclosed in Japanese Utility Model Publication No. 39-336, but this does not include a blower device.

In general, refrigerators that have a packing attached to the door to seal the door with the main body are, for example,
It is disclosed in the publication No.-4992. According to this, the fixed legs at the base of the packing are fitted and held in the grooves of the outer peripheral frame provided on the periphery of the door.

1 Problems to be Solved by the Invention”
In the invention of No. 36, the sealing at the lower end of the cover is insufficient, and even if the sealing structure of the invention of Japanese Utility Model Application No. 58-4992 is applied to these, the connection between the inner and outer surface plates and the outer peripheral frame is complicated.

The present invention improves the heat insulation effect by making the cover have a triple structure, and also maintains the middle plate at an intermediate position between the inner plate and the outer plate to create a heat insulating space between the inner plate and the middle plate and between the outer plate and the middle plate. It provides a structure suitable for ensuring the following.

Structure of the Invention ``Means for Solving the Problems'' The showcase of the present invention includes a base having a placement part on the top surface for placing products, and a display case that covers the products on the base to cool or heat the products. It has a three-dimensional cover with an opening on the lower side that forms a storage chamber for the products to be heated, and this force / (- refers to the inner and middle plates arranged side by side with a gap between them to form the main body of the cover. and an outer plate, the inner plate having a flange extending outwardly around the lower end, the flange having a groove into which the lower edge of the outer plate enters, and a groove extending inwardly from the groove. In this structure, a mounting part on which the lower end of the intermediate plate is placed, and a mounting part for an annular packing that seals between the base and the cover are integrally formed.

``Operation'' The lower end of the middle plate is placed on the mounting part of the flange formed at the lower end of the inner plate, and then the outer plate is placed on it and the lower end of the outer plate is inserted into the groove of the flange. Moreover, the packing is attached to a mounting portion provided on the flange.

Since the flange is formed integrally with the inner plate, there is no special need for an annular frame (sash) that connects the lower ends of the inner plate and the outer plate, and assembly can be easily performed.

1 Embodiment" Each figure shows an embodiment of the present invention, and the following description will be based on this. (1) indicates a showcase, and the main components of the showcase (1) are a base (2) having a mounting table (4) on the top surface of which products are placed, and a base (2) on which products are placed. It is composed of a cover (3) that covers the stored product (5) and partitions a storage chamber (6) that cools or warms the product (5).

The base (2) has a substantially circular shape in plan view and constitutes the bottom wall of the storage chamber (6), and the mounting table (4) has an air outlet (8) into the storage chamber (6). are doing. The air blown into the storage room (6) from the air outlet (8) exchanges heat with the product (5) and then flows through the air suction port (9) provided around the entire circumference of the mounting table (4) to the return path (10). ). The air supply path (11) and return path (10) that send air to the air outlet (8) are connected to the mounting table (4).
and the lower partition wall (12), and the partition wall (1
2) has a transparent heat insulating wall (13) in the center made of three layers of glass (a), (b), and (c). and a transparent insulated wall (
A substantially circular fluorescent illumination lamp (15) is housed in the space between the base plate (13) and the exterior plate (14) of the base (2).

On the other hand, the cover (3) partitions the storage room (6), constitutes the surrounding wall and earthen wall of the storage room, and is connected to the base (2) by a hinge device (16) so that it can be opened and closed. The three-dimensional cover has an approximately hemispherical shape as a whole and is made up of three transparent inner plates (17), outer plates (18), middle plates (19), and the cover ( 3) and a packing (20) for sealing between the inner plate (17) and the base (2), and the inner plate (17) has a flange (21) extending outward around the lower end of the inner plate (17). ) is integrally formed.This flange (21) has an upward groove (22) into which the lower edge of the outer plate enters, and a lower edge of the middle plate (19) located inward of this groove (22). A mounting part (24) on which the outward facing flange (23) of the packing (20) is mounted, and a downward groove (26) that serves as a mounting part for the mounting base (25) of the packing (20>) are integrally formed. 27) is an annular desiccant container that stores a desiccant (28) inside, and is located between the inner plate (17) and the mounting part (24), with the flange (21) protruding upward and the groove (
26) is placed on a pedestal portion (29). (3
0) is a restraining rib formed on the inner surface of the outer plate (18) at an appropriate position at an upper position corresponding to the placing portion (<24);
4>, a gap is formed between which a flange (23) is interposed. (31) is the lower end of the outer plate (18) and the flange (
21) is a decorative plate attached in an annular shape across the outer end of the

In this configuration, an assembly method will be explained. First, the inner plate (
Place the desiccant container (27> on the pedestal part (29) of 17), then cover the middle plate (19) from above the inner plate (17) and place the flange (23) on the placing part (24>). This places the container (27) on the flange (23) and the pedestal (2).
9), the vertical movement is restricted, and the placing part (24) further restricts the lateral movement. Next, the outer plate (18) is placed over the middle plate (19) and its lower end is inserted into the groove (22). By placing a suitable adhesive or sealant in the groove (22), the sealing between the outer plate (18) and the groove (22) can be ensured. After this, attach the decorative plate (31) to the outer plate (18).
and flange (21). The packing (20) is attached by pressing its base (25) into the groove (26) or by contacting the inner wall of the groove (26) with a contact agent. The packing (20) may first be attached to the inner plate (17).

With this assembly, the flange (23) of the middle plate (19)
can be held between the rib (30) and the mounting portion (24), or can be kept in a state where vertical movement is suppressed by both. The assembled cover (3) is connected at the rear to the base (2) by a hinge device (16), and can be opened and closed using a handle (32) at the front.

In the showcase (1) of the present invention, if the product is to be cooled, the air flowing in the storage chamber (6) is cold air, and if the product is to be heated, the air flowing through the storage chamber (6) is warm air. For this purpose, a circulating air generator is installed in a part separate from the showcase (1)! (33), and this device is connected to the air supply path (11) and return path (10) of the showcase (1) by separate duct devices (34). And usually showcase (
1) is used by placing it on a suitable table (35).

C6 Effects of the Invention In the present invention, the inner plate forms a flange that extends outward around the lower end, and the inner plate, outer plate, and packing are attached to this flange. There is no need for a special satsush (frame material) that spans the board, which not only reduces the number of parts, but also requires a structure that sufficiently connects this satsush with the inner board, if there is one. It also makes the work more troublesome. However, the present invention is characterized by a triple-walled heat insulating cover that can be constructed by sufficiently sealing the joint between the outer plate and the inner plate flange, requiring fewer parts to be joined, and being easy to assemble.

[Brief explanation of the drawing]

Each figure shows an embodiment of the present invention, FIG. 1 is a vertical cross-sectional side view of the lower end of the cover, FIG. 2 is a vertical cross-sectional side view of the central part of the showcase, and FIG. 3 is a perspective view showing the entire showcase in use. It is. (1)...Showcase, (2)...Base, (3)
...Cover, (6)...Storage room, (17)...
・Inner plate, (18)...Outer plate, (19)...Middle plate, (20)...Packing, (21)...Flange, (22)...Groove, (24)...・・Placement part, (
26)...Packing attachment part.

Claims (1)

[Claims] 1. It has a base configured to place a product on the top surface, and a three-dimensional cover with an opening on the bottom surface that covers the product on the base and forms a storage chamber for the product to be cooled or heated; This cover has an inner plate, a middle plate, and an outer plate arranged in parallel at intervals so as to form the main body of the cover, and the inner plate has a flange extending outward around the lower end. The flange has a groove into which the lower edge of the outer plate enters, a placing part located inward from the groove and on which the lower end of the middle plate is placed, and a space between the base and the cover. A showcase characterized in that a mounting part of an annular packing for sealing is integrally formed.