JPH0422236Y2 - - 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. 4, a case body 1 has an opening/closing sliding door 2 at the upper front side, a box-shaped article mounting table 3 at the upper rear side, and a heat exhaust system at the lower side at the back side. In a low-temperature show case each provided with a machine room 4 having an opening 4a, the back wall 1a of the case body 1 has an upper end facing into the article mounting table 3 and a lower end facing the heat exhaust port 4a of the machine room 4. In addition, a heat exhaust blower 6 is provided on the heat exhaust port 4a side of the machine room 4, and an air discharge port 3a is provided on the opening/closing sliding door 2 side of the article mounting table 3. Showa case is known (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 sliding 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 is capable of supplying exhaust heat 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. The purpose is to provide a low-temperature shower case that uniformly blows air onto the top surface of an opening/closing sliding door.

(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, the back face of the article mounting table 15, and the back face of the machine room 11 are connected to the peripheral edge 17b of the side wall 17 of the case body. Furthermore, an air intake port 19 is installed on the back side of the article mounting table 15, and an air outlet 20 facing the top surface of the opening/closing sliding door 16 is also provided on the front side.
Furthermore, a ventilation passage 22 facing the air intake port 19 and the air outlet 20 and becoming wider toward the air outlet 20 is provided in the article mounting table 15. The present invention is characterized in that a blower 24 is provided on the side of the air intake port 19 in the passage 22 to blow air toward the side of the sliding door 16.

(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 exhaust heat air in the machine room rises through the heat exhaust port and the duct, and the rising air is sucked into the air passage of the article mounting table by the blower, and is further directed to the upper surface of the opening/closing sliding door by the air blow passage. Air is blown evenly.

(Embodiment) Figures 1 to 3 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 on the upper back side of the case body 10, 16 is two sliding doors that open and close the upper part of the front side of the case body 10 from side to side, 17 is the case body 10, This is a side wall of the case body 10 that covers both sides of the machine room 11, the article mounting table 15, and the sliding door 16 in the longitudinal direction, and has a decorative frame 17a mounted around it.

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 machine room 11 has an opening on the back side, and a machine room cover 18 that is installed inside the peripheral edge 17b of the side wall 17 of the case body 10 and has a heat exhaust port 18a is provided in the opening.

The back plate 15a of the article mounting table 15 is connected to the side wall 17.
An air intake port 19 is provided, and an air outlet 20 is provided at the upper part of the front plate 15b. Further, an upper insulating body 21 is attached on the upper cooler 28, and the upper insulating body 21 is formed to become thicker from the back plate 15a side toward the front plate 15b, and the upper insulating body 21 and the article A ventilation passage 22 is formed between the mounting table 15 and the top plate 15d. The ventilation passage 22 faces the air intake port 19 and the air outlet 20, and
As shown in the figure, the width increases toward the air outlet 20. In addition, the ventilation passage 2
A reinforcing frame 23a abutting the lower surface of the top plate 15d and a mounting plate 23 screwed onto the upper cooler 28 are provided on the air intake port 19 side of No. 2, and a mounting plate 23 is provided for exhaust heat ventilation through the mounting plate 23. A blower 24 is provided.

Each of the sliding doors 16 is connected to the front plate 15 of the article mounting table 15.
It consists of a horizontal piece 16a extending horizontally from the b side to the front of the case body 10, and a vertical piece 16b extending downward from the tip of the horizontal piece 16a.
The rear end of 6a is connected to the article mounting table 1 via the support frame 25.
The guide rail 26a fixed to the front plate 15b of 5
The lower end of the vertical piece 16b is connected to a guide rail 26b provided at the upper end of the front wall 10c of the case body 10.
are listed in each. In addition, the support frame 25
A plurality of through holes 27 are provided at positions corresponding to the air outlet 20 of the article mounting table 15, and one end of the air passage 22 is connected to the air outlet 20 and the through hole 27.
The upper surface of each sliding door 16 is faced through the opening.

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 exhaust heat 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, further passes through the air passage 22, and is discharged into the air outlet. Air is blown onto the upper surface of each sliding door 16 through the hole 20 and the through hole 27. Since the blowing air becomes wider as the blowing passage 22 goes toward the air outlet 20, the blowing air is uniformly blown onto the upper surface of each sliding door 16 and uniformly heats the entire surface of each sliding door 16. do.

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.

(Effect of the invention) As explained above, according to the invention, there is a 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 back side. In a low-temperature show case, each of which is provided with is provided with an air intake port, and an air outlet facing the top surface of the opening/closing sliding door is provided in the front surface, and an air outlet facing the air intake port and the air outlet is provided inside the article mounting table, and an air outlet is provided in the front surface thereof. There is a ventilation passage that becomes wider as it goes towards the store, and a blower that blows air toward the opening/closing sliding door is installed on the air intake port side of the ventilation passage, so that the periphery of the back wall side of the side wall of the case body is connected to the store. When installed in contact with a wall such as a store, etc., a duct is formed between the back wall, the side wall, and the wall of the store, etc., and there is no need to protrude a duct from the back of the case body as in the past. , exhaust heat air from the machine room is blown onto the top surface of the opening/closing sliding door, and
The exhaust hot air is uniformly blown out onto the upper surface of the sliding door, which has the advantage of preventing dew condensation on the entire sliding door.

[Brief explanation of drawings]

1 to 3 show a low-temperature case according to the present invention. FIG. 1 is a sectional view, FIG. 2 is a rear perspective view, and FIG. FIG. 4 is a sectional view showing a conventional low temperature show 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, 17a...Periphery, 18
a... Heat exhaust port, 19... Air intake port, 20... Air outlet, 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, the The back of the article mounting table and the back of the machine room are installed inside the periphery of the side wall of the case body, and an air intake port is provided on the back of the article mounting table, and an air inlet is provided on the front surface of the opening/closing sliding door. Each of the air outlet openings facing the air outlet is provided, and a ventilation passage facing the air intake opening and the air outlet opening is provided in the article mounting table, and the air passageway is formed to become wider as it goes toward the air outlet. A low-temperature show case characterized in that a blower for blowing air toward the opening/closing sliding door is provided on the air inlet side of the interior.