JPH0422237Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Field of Industrial Application) The present invention relates to a low-temperature case for storing frozen products, etc.

(Prior Art) Conventionally, as shown in FIG. 3, a case body 1 has an opening/closing sliding door 2 on the upper front side, an article mounting table 3 on the upper side of the back side, and a heat exhaust port 4a on the lower side of the back side. In a low-temperature show case each provided with a machine room 4, the upper end of the back wall 1a of the case body 1 is placed in the article mounting table 3, and the lower end is placed in the heat exhaust port 4a of the machine room 4.
A duct 5 facing each side is provided, and a heat exhaust blower 6 is installed on the heat exhaust port 4a side of the machine room 4.
A low-temperature case is known in which air discharge ports 3a are provided on the sliding door 2 side of the article mounting table 3 (Japanese Utility Model Publication No. 51-45141).

According to such a low-temperature show case, high-temperature air in the machine room 4 is fed into the article mounting table 3 by the blower 6 through the duct 5, and is further fed through the air outlet 3a into the opening/closing chamber. sliding door 2
It is blown out onto the top surface of the door 2 to prevent condensation on the sliding door 2.

(Problems to be Solved by the Invention) In the conventional low-temperature show case, the duct 5 is provided on the back wall 1a of the case body 1 in order to prevent condensation on the opening/closing sliding door 2 as described above. It costs money to manufacture the duct 5, and when it is installed facing the wall of a store, extra installation space for the duct 5 must be provided between the case body 1 and the wall. The problem was that it had to be done.

(Purpose of the invention) In view of the above-mentioned conventional problems, the present invention attempts to provide a low-temperature show case that supplies high-temperature air from the machine room to the top surface of the opening/closing sliding door without providing a duct or the like on the back wall of the case body. It is something.

(Means for Solving the Problems) In order to achieve the above object, the present invention provides an opening/closing sliding door 16 on the upper front side of the case body 10, an article mounting table 15 on the upper side of the back side, and a lower side on the back side of the case body 10. In a low-temperature show case each provided with a machine room 11 having a heat exhaust port 18a, the back wall 10b of the case body 10 and the back surface of the machine room 11 are installed inside the periphery 17b of the side wall 17 of the case body 10, and An air intake port 19 is provided on the back surface of the article mounting table 15, and a ventilation passage 22 is provided in the article mounting table 15, with one end facing the air intake port 19 and the other end facing the upper surface of the opening/closing sliding door 16. It is characterized in that the ventilation passage 22 is provided with a blower 24 that blows air toward the opening/closing sliding door 16 side.

(Function) According to the present invention, when the case body is installed with the back wall side peripheral edge of the side wall in contact with the wall of the store, etc., there is no duct between the back wall, the side wall, and the wall of the store, etc. is formed. As a result, the high-temperature air in the machine room rises through the heat exhaust port and the duct, and is further sucked into the air passage of the article mounting table by the blower, and is blown onto the upper surface of the opening/closing sliding door.

(Example) Figures 1 and 2 show an embodiment of the present invention, and 10 is a horizontally long low-temperature case body with an open top, for example, a frozen case body for storing frozen products (hereinafter referred to as the case body). , 11 are provided below the bottom wall 10a of the case body 10, and include a condenser 12, a condenser cooling blower 13, and a compressor 14.
15 is an article mounting table provided at the upper part of the back side of the case body 10; 16 is two sliding doors for opening and closing the upper part of the front side of the case body 10;
Reference numeral 17 denotes the case body 10, which covers both sides of the case body 10, the machine room 11, the article mounting table 15, and the sliding door 16 in the longitudinal direction, and has a decorative frame 17a attached around it.
This is the side wall of

The case body 10 is made of a heat insulator, and the back wall 10b is installed inside the peripheral edge 17b of the side wall 17 on the back wall 10b side. The back side of the machine room 11 is opened, and a machine room cover 18 is provided in the opening, which is installed inside the peripheral edge 17b of the side wall 17 of the case body 10 and has a heat exhaust port 18a. The back plate 15a of the article mounting table 15 is provided with an air inlet 19, and the upper part of the front plate 15b is provided with an air outlet 20. In addition, the upper cooler 2
8, an upper insulating body 21 is attached to the upper insulating body 21, and the upper insulating body 21 is formed to become thicker as it goes from the back plate 15a side to the front plate 15b, and the front plate 15b side is connected to the air outlet 20. A ventilation passage 22 is formed between the upper heat insulator 21 and the top plate 15d of the article mounting table 15 so as to coincide with the lower edge of the upper heat insulator 21. Further, an exhaust heat ventilation blower 24 is provided on the back plate 15a side of the ventilation passage 22 via a mounting plate 23. Each sliding door 1
Reference numeral 6 denotes a horizontal piece 16a extending from the front plate 15b side of the article mounting table 15 to the front of the case body 10, and a vertical piece 16 extending downward from the tip of the horizontal piece 16a.
b, and the rear end of the horizontal piece 16a is the support frame 2.
5, and the lower end of the vertical piece 16b is placed on the guide rail 26b provided on the upper end of the front wall 10c of the case body 10. has been done. Further, the support frame 25 is provided with a through hole 27 corresponding to the air outlet 20 of the article mounting table 15, and one end of the air passage 22 is connected to each of the air outlets 20 and 27 through the air outlet 20. It faces the top surface of the sliding door 16.

According to this embodiment, the back wall 10b of the case body 10 is made to face a wall in the store, and the side wall 1
When the peripheral edge 17b of 7 is brought into contact with the wall, a duct is formed between the back wall 10b, the side wall 17, and the store wall. Thereby, the high-temperature air in the machine room 11 is exhausted from the heat exhaust port 18a of the machine room cover 18 by the condenser cooling blower 13, and further rises naturally through the duct. The rising air is sucked into the article mounting table 15 through the air suction port 19 by the exhaust heat ventilation blower 24 at the upper part of the case body 10, and further passes through the air blowing path 22 to the air outlet. Air is blown onto the upper surface of each sliding door 16 through the outlet 20 and the through hole 27. The blown air heats each sliding door 16 and prevents dew condensation on the surface of the sliding door 16.

Further, as described above, the side wall 1 of the case body 10
7 can be installed in contact with the wall of the store, so the machine room cover 18 is hidden and the appearance of the refrigerating shop case is improved.

Furthermore, even if the frozen shop case according to this embodiment is installed in the aisle of a store, since there is nothing protruding from the back side of the case body 10, the appearance will not be deteriorated, and the walking of customers will be prevented. There's no hindrance.

(Effects of the invention) As explained above, according to the invention, a sliding door is provided on the upper front side of the case body, an article mounting table is provided on the upper side of the back side, and a machine room with a heat exhaust port on the lower side is provided on the back side. In a low-temperature show case each provided with a back wall of the case main body and a back surface of the machine room, the back wall of the case main body and the back surface of the machine room are installed inside the periphery of the side wall of the case main body,
Further, an air inlet is provided on the back side of the article mounting table, and an air passage is provided in the article placing table, with one end facing the air inlet and the other end facing the upper surface of the opening/closing sliding door. Since a blower is installed in the passageway to blow air toward the opening/closing sliding door, when installing the case body so that the back wall side periphery of the side wall is in contact with the wall of a store, etc., the back wall, the side wall, and the store A duct is formed between the walls of the case, and the high-temperature air from the machine room is blown onto the top surface of the sliding door, eliminating condensation on the sliding door, without having to protrude the duct from the back of the case body as in the past. This has the advantage that it is prevented.

[Brief explanation of the drawing]

1 and 2 show a low-temperature case according to the present invention, in which FIG. 1 is a sectional view, FIG. 2 is a rear perspective view, and FIG. 3 is a sectional view of a conventional low-temperature case. In the figure, 10...case body, 10b...back wall,
11... Machine room, 15... Article mounting table, 16...
Opening/closing sliding door, 17...Side wall, 17b...Periphery, 18
a... Heat exhaust port, 19... Air intake port, 22... Ventilation passage, 24... Air blower.

Claims (1)

[Scope of utility model registration request] In a low-temperature show case that has an opening/closing sliding door on the upper front side of the case body, an article mounting table on the upper side of the back side, and a machine room with a heat exhaust port on the lower side on the lower side, the back wall of the case body and the The back of the machine room is installed inside the periphery of the side wall of the case body, and the back of the article mounting table is provided with an air intake port, and one end of the article mounting table is connected to the air intake port. A low-temperature show case characterized in that a ventilation passage is provided whose other end faces the upper surface of the opening/closing sliding door, and the ventilation passage is provided with a blower for blowing air toward the opening/closing sliding door.