JP2951106B2 - Cooling storage - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cooling storage in which a storage body is formed by a method of injecting foam insulation.

[0002]

2. Description of the Related Art At present, kitchens such as hotels and restaurants are often provided with a cooling storage generally called an under-counter refrigerator.

As shown in FIGS. 5 and 6, the cooling storage 1A is provided with a storage main body 3A having a heat insulating structure provided with a double door type heat insulating doors 2 and 2 on the front, and a left side of the storage main body 3A. Unit room 4A and a top plate 5 extending and attached to the upper surfaces of the unit room 4A and the storage main body 3A.
In addition to storing foods for cooking in the main body 3A of the storage, it is possible to carry out simple cooking work and assortment of dishes on the top plate 5 with the structure constituted by It is a convenient way to proceed smoothly.

Although not shown, a condensing unit such as an electric compressor and a condenser, and electrical components are built in the unit room 4A, while a cooling room communicating with the storage room is provided inside the storage body 3A. Is provided, and an evaporator, a cool air circulation fan, and the like are arranged, and a refrigeration cycle is configured together with the condensing unit to cool and circulate cool air into the storage chamber to cool the storage.

By the way, the manufacture of the heat insulating box constituting the storage main body 3A is generally carried out as follows.

That is, as shown in FIG. 7, an outer box 7a made of a thin steel plate or the like and an inner box 7b are combined at a predetermined interval to form a box 9 having an open front, and a front opening of the box 9 is formed. 11 is provided with a column 12 in the center to define two openings. After fabrication, the box 9 is housed in an outer jig (not shown) with the front opening 11 facing upward, and
After an inner jig (not shown) is inserted therein and fixed by the outer jig and the inner jig, a heat insulating material, for example, urethane foam is injected and filled into the space between the inner and outer boxes, and the heat insulating box 3A is formed. It is formed.

Here, the injection port 15 of the urethane foam is preferably injected in the longitudinal direction of the box 9 in consideration of the flowability of the urethane, and the left side 9L of the box 9, for example, a boundary side portion with the bottom 9M of the box. At the center of the As the urethane fills the space inside the box 9, air vent holes 16 for releasing the air inside are also provided on the left side surface 9L, for example, in the upper side of the boundary with the front opening portion 11. Reference numeral 14 denotes a foam injection device.

The heat-insulating box 3A thus filled with urethane foam has a unit room 4A on its left side 9L.
Is mounted, and the top plate 5A is further attached, thereby completing the horizontal cooling storage 1A as shown in FIG.

In the completed horizontal cooling storage 1A,
The injection port 15 on the side of the box body 9 and the air vent holes 16, 16 required during the production are concealed by the unit room 4 </ b> A, and the appearance of the product is kept good.

[0010] As described above, the urethane foam injection portion of the heat insulating box is generally provided on the side surface of the box on the unit room side, the bottom surface, or the rear surface of the heat insulating box so as not to be unsightly in appearance. is there. Japanese Patent Application Laid-Open No. 61-285371 discloses a similar technique.

[0011]

However, when such a horizontal cooling storage is installed on the user side, the location of the unit room becomes a problem due to restrictions on the installation location, kitchen layout, cooking work flow, and the like. A cooling storage with a unit room on the right side would be required.

That is, it is a horizontal cooling storage 3B having specifications as shown in FIGS.

Therefore, it is important to provide a cooling storage of both specifications in which the unit room is on the left and on the right in order to meet the demand of the user.
When the heat insulation box of the horizontal cooling storage 1B of the right unit specification including B is made using the foaming jig of the left unit specification as shown in FIG. 7 as it is, the formed heat insulation box 3B is naturally attached to the left side surface 9L. An inlet 15 and air vent holes 16, 16 remain. Then, the unit room 4B is mounted on the right side surface 9R of the heat insulating box 3B.
The air vent holes 16 and 16 were hidden in the unit room 4A in the left unit specification, but could not be hidden in the unit room 4B in the cooling storage room in the right unit specification, resulting in an undesired appearance. In order to hide it, a device such as attaching an appropriate shielding plate is required.

If the foaming jig is to be used, a structural change is required such that urethane is injected and air is removed on the right side, and the foaming jig is used as it is to turn the box 9 upside down. In this case, the thickness of the bottom surface portion 13b and the thickness of the top surface portion 13a of the heat insulating box 3A are generally structurally different in many cases. There is a need to prepare a corresponding one.
However, since the foaming jig is expensive, the change causes an increase in equipment cost and is not a good idea.

The present invention has been made in view of the above points,
The aim is to provide a horizontal cooling storage that can respond to the needs of the user efficiently with less capital investment.

According to the present invention, there is provided an insulating box formed by injecting a foamed insulating material into an inner space of a box formed by combining an outer box and an inner box, and an insulating door provided at a front opening of the insulating box. , A unit room juxtaposed to the side of the storage room, and a top plate extending and attached to the upper surfaces of the unit room and the storage room, and foam insulation provided in the box body A cooling storage provided with a material injection port at a portion facing the flange portion of the top plate and an air vent hole at a portion closed by the top plate.

[0017]

In order to manufacture a heat-insulating box body, which is a storage body having a unit room on the left or right, by using a heat-insulating foam injection method, an inlet for the foam heat-insulating material is attached to the top surface of the cooling storage. It is provided at a position opposite to the flange of the top plate, and the air vent holes are provided in a positional relationship so as to be closed by the top plate, so that they are not exposed on the outer surface of the cooling storage regardless of the position of the unit. A cold storage can be made without compromising the storage capacity.

The heat insulating box of the left or right unit specification can be foamed from the same direction using the same jig, so that the equipment cost can be reduced and a product that can efficiently meet the demands of the user can be provided to the market.

[0019]

Embodiments of the present invention will be described below with reference to the drawings.

The same or equivalent components as those of the conventional cooling storage shown in FIGS. 5 to 10 are denoted by the same reference numerals.

Regardless of the heat insulating box 1A of FIG. 1 having the unit room 4A on the left side or the heat insulating box 1B of FIG. 2 having the unit room 4B on the right side, the urethane foam injection method is the front side. 19A, 19B (door mounting surface) is faced up in the direction of inserting the inner jig. And in that box 9
The injection ports 15a and 15b of the foamed heat insulating material are located on the same surface, that is, at the same position on the left side surfaces 9A and 9B, and the top surface 21A,
It is provided near the border sides 22A and 22B with 21B.

Further, the air vent hole 23 serving as a final foaming area is provided.
a, 24a and 23b, 24b are both heat-insulating boxes 3
Top surfaces 21A, 21B near both ends of border sides 25A, 25B between front surfaces 19A, 19B of A, 3B and left side surfaces 9A, 9B.
And at the corners of the bottom surfaces 26A and 26B.

When urethane is injected from these injection ports 15a and 15b by the foaming injection tool 14 as shown by arrows, the urethane is foamed and filled in the box 9 as in the conventional case.
The air inside the air vent holes 23a, 24a, 23b, 2
4b, the heat is discharged to the outside as shown by the arrow,
3B is formed.

After forming the heat insulating boxes 3A and 3B, the heat insulating box 3
The unit room 4A is mounted on the left side surface 9A of A, while the unit room 4B is mounted on the right side surface 9C of the heat insulating box 3B, and the basic configuration of the horizontal cooling storage room of the left unit specification and the right unit specification is formed.

Finally, the top plates 5A and 5B are attached and fixed to complete the horizontal cooling storage 1A of the left unit specification as shown in FIG. 3 and the horizontal cooling storage 1B of the right unit specification as shown in FIG.

As shown in FIG. 3, the injection port 15a of the heat insulating box 3A of the left unit specification faces the inside of the unit chamber 4A at a position opposite to the flange of the top plate.
The air vent hole 23a on the top surface side is covered with the top plate 5A itself and does not appear on the outer periphery, and does not impair the aesthetic appearance.

On the other hand, as shown in FIG. 4, the inlet 15b in the heat insulating box 3B of the right unit specification is
B is not covered by the outer periphery of the cooling storage, and the air hole 23b on the top surface is similarly covered by the top plate 5B itself, and does not appear on the outer periphery. It can be easily finished in a cooling storage that does not impair.

In such a positional relationship, the injection ports 15a, 15b of the foamed heat insulating material and the air vent holes 23a, 24a, 23b,
By providing the heat insulating box 24b on the same side surface of the heat insulating boxes 3A and 3B, the same foaming form can be obtained using the same jig, and the aesthetic appearance of the cooling storage can be maintained.

[0029]

As described above, according to the present invention, when a heat insulating box of a left or right unit specification product is manufactured by a heat insulating material foaming method in a cooling storage provided with a unit room on a side portion, the foam heat insulating material is used. Providing a product that does not impair the aesthetic appearance of the outer shell by providing the material injection port at the part covered by the flange of the top plate attached to the upper surface of the heat insulation box and providing the air vent hole at the part covered by the top plate It is possible to use a foaming jig in common, greatly reducing equipment costs, simplifying the work by eliminating the need for jig replacement, improving productivity, and having trouble in securing jig storage space. Significant advantages such as resolution can be obtained.

[Brief description of the drawings]

BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is an explanatory view showing a foaming and injection form of a heat insulating box of a left unit specification product according to the invention.

FIG. 2 is an explanatory view showing a form of foam injection of a heat-insulating box of the right unit specification product.

FIG. 3 is a product external perspective view of a horizontal cooling storage having a left unit specification.

FIG. 4 is a perspective view of a product appearance of a horizontal cooling storage having a right unit specification.

FIG. 5 is a front view of a horizontal cooling storage of a right unit specification.

FIG. 6 is an external perspective view of a horizontal cooling storage having a left unit.

FIG. 7 is an explanatory view showing a foamed form of a heat insulating box of a horizontal cooling storage according to the prior art.

FIG. 8 is a perspective view of a product appearance of a left-sided horizontal cooling storage manufactured similarly by the conventional technique.

FIG. 9 is a front view of a horizontal cooling storage having a right unit specification.

FIG. 10 is an external perspective view of a horizontal cooling storage having a right unit specification.

[Explanation of symbols]

 1A, 1B Horizontal cooling storage 2, 2 Insulated door 3A, 3B Insulated box 4A, 4B Unit room 5A, 5B Top plate 15a, 15b Inlet 23a, 24a, 23b, 24b Air vent hole 27 Flange

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) F25D 23/08

Claims (1)

(57) [Claims] 1. A heat insulating box formed by injecting a foam heat insulating material into an inner space of a box formed by combining an outer box and an inner box, and a heat insulating door provided at a front opening of the heat insulating box. A storage room, a unit room arranged side by side with the storage room, and a top plate extending and attached to the upper surfaces of the unit room and the storage room, and a foam insulating material provided in the box body. A cooling storage, wherein an inlet is provided at a portion facing the flange portion of the top plate, and an air vent hole is provided at a portion closed by the top plate.