JP3729703B2 - Showcase - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a showcase for displaying and cooling products, and particularly to the structure of the bottom of the case body.
[0002]
[Prior art]
The showcase for refrigeration has a case body with heat insulation, and this case body is constructed by assembling the top panel, back panel, bottom panel, and front (bottom front) panel into a substantially U-shaped longitudinal section. The front and left and right sides of the case body are open. The case body is provided with a U-shaped partition plate that is slightly parallel to the upper and lower and rear inner surfaces of the case body, and a product display that displays and cools products inside the partition plate. Each part is formed with a duct for circulating / circulating cool air to the outside. A cooler and a blower are installed in the duct, and the cold air that has been heat-exchanged by the cooler is sent upward in the duct and then forward by the blower, and then downwards from the air outlet provided in front of the upper part of the duct. The cool air that has been blown out is taken into the duct again from the suction port provided in front of the lower part of the duct and is recirculated. The cold air flowing down from the air outlet to the suction port forms an air curtain in the front opening part of the case body to prevent the cold air from flowing out to the front. Further, the left and right open parts of the case body are closed with side plates. When attaching the side plate, after attaching the packing along the side part of the case body and the side part of the partition plate, the side plate is attached so that the air duct between the outside of the duct and the case body and between the duct and the product display part are airtight. Is sealed.
[0003]
The top panel, back panel, bottom panel, and front panel that form the case body are each a hollow panel made of a thin inner plate and outer plate made of metal, and a side frame interposed between the inner plate and the outer plate. After being assembled, the hollow panel is filled with a heat insulating material. When these panels are assembled as a case body, the joint portions of the panels connected to each other are sealed with silicone, and then joined and connected to prevent air leakage from the joint portions.
[0004]
In the showcase as described above, if dew condensation occurs on the outer surface of the bottom panel of the case body, that is, the outer surface of the bottom panel outer plate, it spills and accumulates on the floor surface, which is very undesirable. For this reason, conventionally, a fan motor is installed below the bottom panel of the case body, and this fan motor takes air outside the showcase from the front and distributes it to the rear to prevent condensation on the outer surface of the bottom panel. It was.
[0005]
[Problems to be solved by the invention]
However, the fan motor has a large number of components and accessory parts such as mounting plates, operation switches, fan guards, wiring, etc., and is expensive. In addition, the fan motor requires maintenance, and a user or a maintenance contractor performs an ON / OFF operation according to the dew condensation state of the bottom panel, and the confirmation of the dew condensation state and the ON / OFF operation are troublesome. Furthermore, below the bottom panel, for example, a power supply terminal plate, a temperature controller, a drain hose, a drain trap, etc. are arranged, and the installation position of the fan motor is regulated by these, and condensation on the entire outer surface of the bottom panel is prevented. It could not be effectively prevented.
[0006]
In the conventional showcase, the above-described packing attaching operation when attaching the side plate to the case body and the sealing operation between the panels when forming the case body are troublesome.
[0007]
The present invention has been made in view of the above problems, and its purpose is to prevent condensation on the outer surface of the bottom of the case main body at a low cost, without requiring operation and maintenance, and to prevent the side plate and the case main body. An object of the present invention is to provide a showcase that can reduce assembly work.
[0008]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, the present invention according to claim 1 includes a case main body that is open on the front and left and right sides and is provided with heat insulation. A side plate is attached to the left and right open portions of the case main body, and the case main body is provided. In the showcase that displays the product inside and keeps it cool, the bottom of the case body has an inner plate and an outer plate on which the heat insulating material is interposed, and the heat insulating material is attached to the outer surface of the outer plate. It is a feature. According to the showcase according to the present invention, it is possible to reliably prevent condensation on the outer surface of the bottom portion of the case body without using a fan motor by attaching a heat insulating material to the outer surface of the outer plate forming the bottom portion of the case body. Can do.
[0009]
According to a second aspect of the present invention, in the first aspect of the present invention, the outer plate has a flange that rises from the front and left and right edges and has a heat insulating material attached to the outer surface. According to the showcase according to the present invention, it is possible to hermetically seal between the flange and the side plates attached to the left and right sides of the case body by the heat insulating material attached to the outer surface of the flange rising from the left and right edges of the outer plate. it can.
[0010]
According to a third aspect of the present invention, in the second aspect of the present invention, the flange rising from the front edge of the outer plate is bent rearward from the top of the flange, and a heat insulating material is attached to the upper surface. It is characterized by having. According to the showcase according to the present invention, when the case body is assembled, when the bottom part is connected to the front part of the case body, the heat insulating material attached to the upper surface of the bent part of the flange rising from the front edge of the outer plate is the bottom part. -Acts as a seal between the front parts.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
1 to 6 schematically show a preferred embodiment of the present invention. FIG. 1 is a perspective view of a showcase, FIG. 2 is a longitudinal sectional view of the showcase, and FIG. 3 is a perspective view of the bottom of the case body. 4 is a perspective view of the outer skin of the bottom, FIG. 5 is a bottom view of the showcase, and FIG. 6 is an explanatory side view showing an enlarged vicinity of the joint between the bottom and the front.
[0012]
The showcase 1 includes a case main body 10 to which heat insulating properties are imparted. As shown in FIG. 2, the case body 10 includes a top panel 10a as a top, a back panel 10b as a back, a bottom panel 20 as a bottom, and a front panel 10c as a front. 10b, 20, 10c are connected and joined in a substantially U-shaped longitudinal section. Further, the front and left and right sides of the case body 10 are open.
[0013]
In the case main body 10, a partition plate 11 having a U-shaped longitudinal section is provided so as to be slightly separated from the upper and lower and rear inner surfaces of the case main body 10, and a plurality of products are placed inside the partition plate 11. A product display section 12 for display on the shelf 12a is formed with a duct 13 having a U-shaped longitudinal section for circulating and circulating cold air. Inside the duct 13, a cooler 13 a is installed at the rear and a blower 13 b is installed at the lower part. And the cold air heat-exchanged by the cooler 13a goes up the rear part of the duct 13 by the blower 13b, and then advances the upper part of the duct 13, and then blows out downward from the outlet 13c provided in front of the upper part of the duct 13. The blown-out cool air is again taken into the duct 13 from a suction port 13d provided in front of the lower portion of the duct 13, and is recirculated. The cool air that flows down from the air outlet 13c to the suction port 13d forms an air curtain in the front opening portion of the case body 10, thereby preventing the cool air in the case body 10 from flowing out forward. . A side plate 14 is attached to the left and right open portions of the case body 10. A transparent plate is fitted into a portion of the side plate 14 corresponding to the front product display portion 12. 2 and the like, reference numeral 16 denotes a frame, and 17 denotes a power terminal plate.
[0014]
As shown in FIG. 3, the bottom panel 20 is made of a thin metal inner plate 21 and outer plate 22, and a side frame 23 (shown in FIG. 3 for convenience) interposed between the inner plate 21 and the outer plate 22. And a heat insulating material filled in the internal space surrounded by the inner frame 21, the outer plate 22, and the side frame 23, and is formed as a thick panel. Incidentally, the top panel 10a, rear panel 10b and the front panel 10 c similarly the inner and outer plates, are formed by the side frame and the heat-insulating material.
[0015]
As shown in FIG. 4, the outer plate 22 of the bottom panel 20 has flanges 24 a and 24 b that rise from a peripheral edge, that is, front and rear, left and right edges, and edges that obliquely connect the left and right ends of the front edge and the front ends of the left and right edges. , 24c, 24d, and 24e. Among these, the front flange 24a has a bent portion 25 that is bent rearward from the top thereof, and has an L-shaped longitudinal section. And, with respect to the outer surface of the outer plate 22 including the outer surface of the outer panel 22, that is, the outer surface of the flanges 24 a, 24 b, 24 c, 24 d, 24 e and the upper surface of the bent portion 25. Further, a heat insulating material 26 such as hard polyurethane is attached with a thickness of about 3 mm. Such a heat insulating material reliably prevents the occurrence of condensation on the outer surface of the bottom panel 20 and further brings the following advantages.
[0016]
B) When the side plate 14 is attached to the left and right open portions of the case body 10, conventionally, along the side of the case body 10 and the side of the partition plate 11 as shown by the broken line 15a and the dashed line 15b in FIG. Then, after the packing 15 (see FIG. 6) is continuously pasted, the side plate 14 is attached to seal the space between the duct 13 and the outside of the case body 10 and between the duct 13 and the product display portion 12 in an airtight manner. However, in the present embodiment, the heat insulating material 26 on the outer side surfaces of the left and right flanges 24c and 24d in the outer plate 22 of the bottom panel 20 plays the role of the packing 15 in the one-dot broken line 15b (see FIG. 1) portion. The packing work for the 15b portion can be omitted.
[0017]
(B) Referring to FIG. 6, when connecting the bottom panel 20 and the front panel 10c, conventionally, the gap between the joints 10e for abutting them is sealed with a sealing material and then connected. However, in the present embodiment, the bent portion 25 of the flange 24a in front of the outer panel 22 of the bottom panel 20 enters the joint portion 10e, and the heat insulating material 26 on the upper surface of the bent portion 25 serves as a sealing material. The trouble of providing a sealing material between the joint portions 10e can be saved.
[0018]
【The invention's effect】
According to the showcase of the present invention according to claim 1, by attaching a heat insulating material to the outer surface of the outer plate forming the bottom of the case body, it is possible to ensure condensation on the outer surface of the bottom portion of the case body without using a fan motor. Can be prevented. Therefore, parts such as a fan motor mounting plate, a switch, a fan guard, wiring, and electric power are not required, cost can be reduced, and troublesome operations and maintenance are not required.
[0019]
According to the showcase of the present invention according to claim 2, the space between the flange and the side plate attached to the left and right of the case body is airtight by the heat insulating material attached to the outer surface of the flange rising from the left and right edges of the outer plate. Since the sealing can be performed, the work of attaching the packing performed when the side plate is attached can be omitted for the portion corresponding to the bottom portion.
[0020]
According to the showcase of the present invention according to claim 3, when the case main body is assembled, the bottom portion and the case main body front portion are connected to the upper surface of the bent portion of the flange rising from the front edge of the outer plate. The material serves as a seal material between the bottom portion and the front portion. Therefore, the application | coating operation | work of the sealing material with respect to between bottom part-front part can be skipped.
[Brief description of the drawings]
FIG. 1 is a perspective view of a showcase. FIG. 2 is a longitudinal sectional view of the showcase. FIG. 3 is a perspective view of a bottom panel. FIG. 4 is a perspective view of an outer plate of the bottom panel. FIG. 6 is an enlarged side view showing the vicinity of the joint between the bottom panel and the front panel.
DESCRIPTION OF SYMBOLS 1 ... Showcase, 10 ... Case main body, 10c ... Front panel, 15 ... Packing, 20 ... Bottom panel, 22 ... Outer plate, 24a, 24b, 24c, 24d, 24e ... Flange, 25 ... Bending part, 26 ... Thermal insulation Material

Claims (3)

In a showcase that includes a case main body that is open at the front and left and right and is provided with heat insulation, and that has side plates attached to the left and right open portions of the case main body, and displays and cools products in the case main body.
A showcase characterized in that the bottom of the case body has an inner plate and an outer plate on which a heat insulating material is interposed, and a heat insulating material is attached to the outer surface of the outer plate. The showcase according to claim 1, wherein the outer plate has a flange that rises from front and left and right edges and has a heat insulating material attached to an outer surface. 3. The showcase according to claim 2, wherein the flange rising from the front edge of the outer plate has a bent portion bent backward from the top of the flange and having a heat insulating material attached to the upper surface.

Images