JPH0314A - Display casing - Google Patents

Abstract

PURPOSE:To facilitate the installation and removal of a cover and an illuminating device by fixing the cover to a front frame so as to define a cavity for the illuminating device and a wiring space between the front frame and the cover. CONSTITUTION:Each of transparent plates 30 is covered at its four sides, that is, upper and lower sides and front and rear sides, with a frame body consisting of front frames 40, a rear frame 41, an upper frame 42 and a lower frame 43, and is secured to a heat-insulating wall 2 through the intermediary of the frame body. Each of a pair of front frames 40 is formed therein with a groove 45 in which the front end of the transparent plate 30 is fitted, and is also formed, at the front end thereof, a fold-back section 46A so as to form a storage section 46 which is contiguous to an outer wall 45B, extending forward and which defines a wiring space S laterally from one side surface of the heat insulting wall 2 and in front of the groove 45. A locking piece 47 for locking and fixing a pawl of a cover 50 is formed at the front end of the fold back section 46A, and a locking piece 49 for locking the other end of the cover 50 is formed on an inner wall 45C, being projected from the latter. Accordingly, the installation and removable of a fluorescent lamp 60 and the cover 50 are facilitated, and a cavity damps a shock which is exerted to the front of the display casing, thereby it is possible to protect the illuminating device and the transparent plate.

Description

DETAILED DESCRIPTION OF THE INVENTION OBJECTS OF THE INVENTION Industrial Field of Application The present invention relates to a showcase equipped with a lighting device for indoor lighting.

2. Description of the Related Art In conventional showcases, the interior of the storage room is generally illuminated with a lighting device in order to make it easier to clearly see the items stored in the storage room from the outside. An example of this is disclosed in Japanese Patent No. 19669. In this publication, a structure is adopted in which fluorescent lights are installed in the vertical direction on the inner surfaces of the refrigerator on both left and right side walls constituted by heat insulating walls. Further, Japanese Utility Model Publication No. 60-9671 discloses a showcase in which a space is formed at the front end of a heat insulating wall and illumination lights are disposed within this space.

Problems to be Solved by the Invention In the former publication of the above-mentioned technology, since the fluorescent lamp itself is attached to the inside of the refrigerator on both left and right walls, it is possible to use it for loading and unloading products by protruding from the left and right walls into the inside of the refrigerator. It is undeniable that the aperture will be narrowed. In addition, the electrical components for supplying power to this fluorescent light are usually placed in the machine room below the storage room, which is divided by an insulating wall, and they illuminate the inside of the storage room (the upper and front parts of the storage room). In order to lead the wiring for the lighting equipment (which will be installed in the However, there were problems in that the wiring work was very troublesome and the wiring distance became long. On the other hand, in the latter publication, the side plate is formed of a heat insulating wall, so the thickness can be made thicker than the lighting lamp, so there is no problem. However, since the transparent plate is thinner than the thickness of the lighting lamp, it cannot be applied as is, and since the transparent plate is usually installed at the installation site, the lighting device must also be installed at the same time. It has been desired that the installation of the lighting device be made as simple as possible.

SUMMARY OF THE INVENTION Therefore, the present invention provides a showcase which is based on the premise that transparent plates are disposed on both the left and right sides, and in which the lighting device can be easily attached and detached.

[Structure of the invention]

Means for Solving the Problems The present invention provides a showcase equipped with a heat insulating wall having transparent plates arranged on both left and right sides through which the inside of the storage chamber can be seen, and a groove portion for receiving the front end of the transparent plate and a groove portion for receiving the front end of the transparent plate. , a front frame that is connected to the groove, extends forward, has a folded part at the front, and has a storage part that forms a space between the folded part and the groove, and a lock formed in either the groove or the folded part; The cover includes a cover made of a translucent material, which has one end fixed to one piece, and the other end fixed to a fixing piece formed on the other side with a fixing tool, and forms a cavity for storing the illumination device together with the storage part.

A space is formed in front of the groove by the storage section connected to the groove into which the front end of the transparent plate is inserted, so this space can be used as a space for the wiring of the lighting device, and the cover can be fixed to the front frame for storage. A cavity is formed between the two parts, and this cavity is used as the installation space for the lighting device. Therefore, in addition to covering and fixing the front end of the transparent plate, the front frame also fixes the lighting device and the cover. Since a cavity is formed in front of the transparent plate in the front frame and cover, when an impact is applied to the showcase from the front, this cavity acts to reduce the impact, and the illumination device And the transparent plate can be protected.

Example The present invention will be described in detail below based on the drawings.

Reference numeral 1 denotes an open type low-temperature showcase whose main body is composed of an insulating wall 2 with an opening 3 for storing and taking out products in the front, and a partition plate is placed at an appropriate interval from the inner wall of the insulating wall 2. A cold air passage 7 in which a plate fin type cooler 5 and a blower fan 6 are housed by arranging the plate fin cooler 5 and the bottom plate 12.
, a storage room 9 in which a plurality of shelves 8 are arranged, and Suita and suction ports 10 and 11 facing each other along both the upper and lower sides of the opening 3.
By forcing the cold air that has undergone heat exchange in the cooler 5 to be circulated by the blower fan 6 as shown by the arrow in FIG. This is to cool the storage chamber 9.

Reference numeral 15 denotes a machine room formed below the heat insulating wall 2, which is configured so that outside air is introduced from an air inlet located on the front side and exhausted from an exhaust section formed on the back side.
A compressor 16 and a condenser 17 that together constitute a cooling cycle
, a blower fan 18, a dew pan, etc. are housed. A flow straightening device such as a honeycomb material disposed at the outlet 10 straightens the cool air flow blown out as the air curtain A into the opening 3 to form a laminar flow. Reference numeral 21 designates a first illumination chamber formed in the front of the Suita mouth 10, in which a long and narrow fluorescent lamp 22 for illuminating the storage chamber 9 is housed in a horizontal direction.

In addition, a rear inclined part 2B having an upward slope at the rear is formed on the rear lower surface of the bottom wall of the heat insulating wall 2, and a front inclined part 2C having a front end slope is formed on the front lower surface of the bottom wall. The center part of is the bottom. Therefore, the front space P is defined by the lowermost horizontal extension surface of the lower surface of the bottom wall and the front inclined part 2C.
A rear space Q is formed by the above-mentioned horizontally extending surface and the rear inclined portion 2B.

Reference numeral 30 denotes a pair of left and right transparent plates that are attached to cover both the left and right sides of the heat insulating wall 2 and formed so that the storage chamber 9 can be seen through, and are connected to the heat insulating wall 2, the storage chamber 9, the first lighting chamber 21, and the cold air. They are arranged opposite to each other on both left and right sides of the space below the passage 7 and the bottom plate 12. This transparent plate 30 includes both inside and outside plates 31 and 32 made of square transparent glass, and a desiccant agent that maintains a predetermined distance between the two plates and forms a heat insulating space between the two plates. It has a multilayer structure consisting of a rectangular annular spacer 33 (not shown). This transparent plate 30 has a heat insulating wall 2 and a first lighting chamber 21.
In order to prevent each side of the space below the cold air passage 7 and the bottom plate 12 from being seen through, a shielding coating film 34 is formed by applying an inorganic paint such as ceramics in a substantially U-shape on the portion facing each side. .

The transparent plate 30 has a front frame 40 and a front frame 40 on its front, top and bottom sides, respectively.
It is covered by a frame consisting of a rear frame 41, an upper frame 42, and a lower frame 43, and is fixed to the heat insulating wall 2 by this frame. Reference numeral 43 denotes a receiver serving as a lower frame having a groove into which the lower end of the transparent plate 30 and the lower ends of the front and rear frames 40 and 41 are inserted. It is placed at a lower height position.

A pair of left and right front frames 40 extending vertically and fixing the front end of the transparent plate 30 has a groove 45 having a U-shaped cross section and consisting of a front wall 45A, an outer wall 45B, and an inner wall 45C into which the front end of the transparent plate 30 is inserted.
Then, it is carried forward by the outer wall 45B of this groove 45,
A storage part 46 having a J-shaped cross section is provided with a folded part 46A formed at the front end so as to form a wiring space S on the side of the side surface of the heat insulating wall 2 and in front of the groove part 45. A locking piece 47 for locking and fixing a claw formed at one end of a cover 50, which will be described later, is formed on the tip side of the folded portion 48A.
A fixing plate 48 is attached to the front surface of the heat insulating wall. Further, on the inner wall 45C of the groove portion 45, a cover 5, which will be described later, is provided.
A fixing piece 49 with a fixing hole for fixing the other end of the 0 is protrusively formed.

In this example, the locking piece 47 is formed in the folded part 413A, and the fixing piece 49 is formed in the groove part 45, but the positions of the locking piece and the fixing piece may be reversed, and in the latter case, This makes it easier to attach and detach the cover than the former. Furthermore, the storage section 46 of the front frame 40 is arranged to be located forward of the air curtain A formed in the opening 3.

Reference numeral 50 denotes a cover whose other end is fixed to the fixing piece 49 of the groove part 45 by a one-touch latch 53, and whose one end is locked and fixed to the locking piece 47 of the storage part 46, forming a cavity T extending in the vertical direction together with the storage part. It is made of a translucent material such as milky white acrylic or ABS, and has a fixing hole formed on one end thereof, and a claw portion 51 on the other end for being engaged with the locking piece 47. is formed. In addition, a light-shielding tape 52 is pasted on the outside of the front part of the cover so as to make it difficult for light to pass through the front of the cover 50 when the fluorescent lamp 60 housed in the cavity T is turned on. Instead of this tape, an uneven surface may be formed on the inner surface of the front part of the cover to reduce light transmission to the front of the cover. The one-touch latch 53 includes a cylindrical tube 54 that penetrates fixing holes (not shown) formed in the cover 50 and the fixing piece 49, respectively, and a bottle body 55 that is inserted and fixed into the tube 54.
When the bottle body 55 is inserted into the tube body 54, the tube body 54 is pushed and expanded by the periphery of the fixing hole and is prevented from being removed.

Reference numeral 60 denotes a fluorescent lamp as a lighting device which is housed and fixed in the cavity T, and is provided with a base (not shown) and a bottle 61 at both ends thereof. Reference numeral 63 denotes a synthetic am socket, which has a fitting recess for receiving the base of the fluorescent lamp 60 and an insertion recess with an electrode for receiving the bottle 61.
A lead wire 64 as wiring connected to a glow lamp 65 and a ballast 66 is led out from the electrode. Further, reference numeral 67 is a receiver for receiving the socket 63, and is attached to a suitable position on the other end side of the storage portion 46. By disposing this receiver 67, when the lead wire 64 is passed through the space S, it is possible to prevent the lead wire 64 from shifting toward the fluorescent lamp 60 side.

Based on the above configuration, attachment of the fluorescent lamp 60 and the cover 50 will be explained.

First, a front frame 40 and a rear frame 41 are placed to cover the front and rear ends of the transparent plate 30, respectively, and the lower ends of the transparent plate 30 with the front and rear frames are inserted into the groove of the receiver 43 serving as the lower frame. 4
0.41 is fixed with a fixing member. (At this time, the lower frame is attached to the showcase body side.) Then, the upper frame 4
At step 2, the upper ends of the transparent plate 30 and the front and rear frames 40, 41 are covered and fixed to the top surface of the heat insulating wall.

Next, the lead wires 6 and 4 of the fluorescent lamp 60 with sockets 63 attached to both ends are passed through the space S of the storage section 46 of the front frame 40 and led to the front space P under the bottom wall of the heat insulating wall 2. After that, the fluorescent lamp 60 is arranged in the vertical direction so that the lower end of the fluorescent lamp 60 is received by the receiver 67. Then, the claw portion 51 of the cover 50 is locked to the locking portion 47 of the storage portion 46, and the cover 50 is locked.
The cover 50 is fixed to the fixing hole on one end side of the cover 50 and the fixing hole of the fixing piece 49 protruding from the inner wall 45C of the groove 45 using a fixing member such as a one-touch latch 53. By fixing the cover 50, the fluorescent lamp 60 is placed in the cavity T in a state where it is pressed outward so as to face the space S of the storage section 46. In this state, the second illumination chamber 70 can be installed at the left and right edges of the opening 3. The second illumination chamber 70 communicates with the first illumination chamber 21 through the storage section 46 of the front frame 40, and also with the front space P under the heat insulating wall.

In addition, when removing the fluorescent lamp 60 and the cover 50, the above-mentioned installation process may be performed in a reverse process.

Therefore, by this front frame 40 and cover 50, the first
A cavity T communicating with the illumination chamber 21 is formed, and a fluorescent lamp 60 can be installed in this cavity T, and a second illumination chamber 70 can be arranged at the left and right edges of the opening 3. Furthermore, since this second lighting chamber 70 also communicates with the front space P under the heat insulating wall 2, even when a glow lamp 65 or a ballast 66 is installed in this front space P, the wiring for the glow lamp 65 or ballast 66 is It is easy to work, and the length of the lead wire can be made as short as possible. Furthermore, the wiring from the first lighting room 21 is
It is also possible to lead the wiring to the front space P through the lighting room 70, which makes it possible to shorten the wiring distance compared to the conventional method, and to form holes, notches, etc. for wiring in the bottom wall of the heat insulating wall. There's no need to.

The fluorescent lamp 60 is simply housed in the cavity T, and the cover 50 only needs to be locked at one end to the locking piece 47 and fixed at the other end to the fixing piece 49. Also, the work of attaching and detaching the cover 50 becomes much easier, and these can be easily replaced. Furthermore, a second lighting room 70
Since the opening 3 is located outside the air curtain A flowing through the opening 3, the left and right ends of the air curtain A are located on the inside of the cover 50, reducing the amount of contact between the air curtain A and the outside air. As a result, it is possible to reduce the refrigeration load on the outside air and suppress a decrease in the cooling efficiency in the storage room 9.

〔Effect of the invention〕

As detailed above, according to the present invention, by fixing the cover to the front frame that receives the front end of the transparent plate and fixes it to the side surface of the heat insulating wall, it is possible to arrange the lighting device between the cover and the front frame. can form a cavity and a space for wiring,
Moreover, since one end of the cover is locked to the locking piece and the other end is fixed to the fixed piece, the cover and the lighting device can be attached and detached very easily. Further, by forming the cavity, it is possible to reduce impact from the front to the showcase, so that the lighting device and the transparent plate can be protected.

[Brief explanation of the drawing]

Each figure shows one embodiment of the present invention, and FIG. 1 is A-A in FIG.
2 is an external perspective view of the showcase, FIG. 3 is a side view of the showcase, and FIG. 4 is an enlarged view of section B in FIG. 2. 1...Showcase, 2...Insulated wall, 3...
- Opening, 9...Storage room, 21...First lighting room, 30...Transparent plate, 40...Front frame, 45
...Groove part, 46...Storage part, 47...Locking piece, 49...Fixing piece, 0...Second lighting chamber, P...Front space, S...Wiring space , T... hollow.

Claims (1)

[Claims] 1. In a showcase equipped with a heat insulating wall in which transparent plates that allow the inside of the storage room to be seen are arranged on both left and right sides, a groove portion for receiving the front end of the transparent plate, and a folded portion connected to the groove portion and extending forward are provided at the front portion. a front frame having a storage part forming a space between the folded part and the groove; and a locking piece formed on one end of the front frame formed on either the groove or the folded part and formed on the other. 1. A showcase comprising: a cover made of a translucent material, the other end of which is fixed to the fixing piece with a fixing tool, and forms a cavity for accommodating a lighting device together with the accommodating portion.