JPH07213396A - Show case - Google Patents

Abstract

PURPOSE:To provide the show case improving the work of exchanging plural fluorescent lamps arranged up and down in the recessed part outside the upper opening end of a heat insulating wall. CONSTITUTION:Plural fluorescent lamps 36 and 37 are arranged parallely up and down in a recessed part 51 formed outside the upper end of an opening 12 of an insulating wall 2. A fixing clip 53 which is fixed to the wall of the recessed part 51 and holds the upper fluorescent lamp 36 removably and a connection clip 54 which connects the upper and lower fluorescent lamps 36 and 37 to remove freely are provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a showcase in which a plurality of fluorescent lamps are vertically arranged in a recess formed outside the upper edge of an opening of a heat insulating wall.

[0002]

2. Description of the Related Art Conventionally, as shown in, for example, Japanese Utility Model Publication No. 61-33510 (F25D23 / 02), this type of showcase has a discharge port formed at an upper edge of an opening of a heat insulating wall having a substantially U-shaped cross section. By discharging cool air toward the suction port of the lower edge, an air curtain is formed in the opening, and a recess is formed outside the upper edge of the opening, and a fluorescent lamp is installed in the recess. .

This fluorescent lamp has a function of illuminating an opening portion of a heat insulating wall located below and illuminating a translucent shade provided in front of the fluorescent lamp. One of them is held by the clip of the bracket fixed to the wall surface of the bracket, or two of them are held in parallel in the front and rear, and when lighting failure occurs due to deterioration over time, it is necessary to remove from the clip and replace it.

[0004]

However, in convenience stores and the like in recent years, it is necessary to make the upper and lower edges of the opening of the heat insulating wall flush with each other due to the problem of the installation of the showcase. In order to prevent the product from shrinking, the front-rear width of the recess outside the upper edge of the opening also tends to be extremely narrow. If the front and rear width of this recess becomes narrower, it will not be possible to install multiple fluorescent lamps side by side in the recess, so the fluorescent lamps will be arranged vertically, but they will be arranged vertically. In this case, in order to replace the fluorescent lamp, the fluorescent lamp must be removed in order from the bottom, which is a very complicated problem.

The present invention has been made in order to solve the above-mentioned conventional technical problems, and replaces a plurality of fluorescent lamps arranged in parallel vertically inside a recess outside the upper edge of the opening of the heat insulating wall. The purpose is to provide a showcase with improved workability.

[0006]

That is, in the showcase 1 of the present invention, a plurality of fluorescent lamps 36 and 37 are arranged vertically in a recess 51 formed outside the upper edge of the opening 12 of the heat insulating wall 2. The fixing clip 53 is provided and fixed to the wall surface of the recess 51 and detachably holds the upper fluorescent lamp 36.
And a connecting clip 54 for detachably connecting the upper and lower fluorescent lamps 36, 37 to each other.

Further, the showcase 1 according to the invention of claim 2
Is characterized in that the connecting clip 54 is provided outside the fixing clip 53 in the longitudinal direction of the fluorescent lamp 36.

[0008]

According to the showcase 1 of the present invention, the upper fluorescent lamp 36 is fixed to the wall surface of the recess 51 by the fixing clip 53, and the upper and lower fluorescent lamps 36, 37 are connected by the connecting clip 54. Since they are connected to each other, a plurality of fluorescent lamps 36,
Showcases 1 with 37 arranged vertically in the recess 51
Can be attached to.

When replacing the lower fluorescent lamp 37, only the fluorescent lamp 37 can be detached from the connecting clip 54 and pulled out downward, and the upper fluorescent lamp 36 can be replaced.
When replacing the fluorescent lamp 36, the fixing clip 53
By removing the fluorescent lamps 36 and 37 from above, the upper and lower fluorescent lamps 36 and 37 can be pulled out downward from the inside of the recess 51 while being connected by the connecting clip 54. Therefore, a plurality of fluorescent lamps 3
The replacement work of 6, 37 can be carried out extremely smoothly.

According to the showcase 1 of the invention of claim 2, in addition to the above, the connecting clip 54 is provided with the fluorescent lamp 36.
Since it is provided on the outside of the fixing clip 53 in the longitudinal direction, if the holding strength of both clips 53 and 54 is set to be equal, for example, by holding one end of the lower fluorescent lamp 37 and pulling it down, Due to the moment, the fixing clip 53 comes off first. Therefore, even when the upper fluorescent lamp 36 is replaced, it is not necessary to insert the hand into the recess 51 and remove the fluorescent lamp 36 from the fixing clip 53, which further facilitates the replacement workability of the fluorescent lamps 36 and 37. It is possible to improve.

[0011]

Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 is a vertical sectional side view of a showcase 1 of the present invention, and FIG.
Shows vertical side views of the upper end of the heat insulating wall 2 of the showcase 1, respectively. The showcase 1 of the present invention is composed of a heat insulating wall 2 having a substantially U-shaped cross section, and side plates (not shown) attached to both sides of the heat insulating wall 2. Partition plates 4 and 6 are attached to the inside of the heat insulating wall 2 with a space between each other, and an inner layer duct 7 is provided between these partition plates 4 and 6, and an outer layer duct 8 is provided between the outer partition plate 6 and the heat insulating wall 2. .

A back partition plate 10 which constitutes the inner partition plate 4.
A bottom plate 9 is attached to the lower front of the heat insulating wall 2 with a space for a duct between the bottom wall 2A and the bottom wall 2A of the heat insulating wall 2, and the insides of the partition plate 4 and the bottom plate 9 serve as a storage chamber 11. Inner layer discharge port 16 and outer layer discharge port 1 having honeycomb materials 13 and 14 attached to the upper edge of front opening 12 of heat insulating wall 2 respectively.
7 are arranged in parallel, and the inner layer discharge port 16 and the outer layer discharge port 17 communicate with the inner layer duct 7 and the outer layer duct 8, respectively. A suction port 18 is formed at the lower edge of the opening 12.

On the other hand, a fan case 23 is installed on the bottom wall 2A of the heat insulating wall 2 at the lower rear portion of the bottom plate 9, and a plurality of blowers 24 for the inner layer and the outer layer are attached to the fan case 23. . Further, the space below the bottom plate 9 is divided into two ducts by a partition member, the suction port 18 is divided into an inner layer and an outer layer, and an inner layer is blown to the inner layer blower 24 to the inner layer duct 7 to the outer layer. Are communicated with the outer layer ducts 8 via the outer layer blower 24.

A cooler 27 of a cooling device is vertically installed in the inner layer duct 7 behind the back partition plate 10. When the blower 24 for the inner layer is operated, the cold air that has exchanged heat with the cooler 27 is the inner layer duct. 7 is lifted up and discharged from the inner layer discharge port 16 toward the suction port 18. Then, the cool air sucked through the suction port 18 is accelerated again by the blower 24. On the other hand, when the blower 24 for the outer layer is operated, the air in the outer layer duct 8 is raised in the outer layer duct 8 and is discharged from the outer layer discharge port 17 toward the suction port 18. Then, the air sucked from the suction port 18 is again blower 24.
Is accelerated by. As a result, a double front and rear air curtain is formed in the opening 12, and a part of the inner cool air curtain is circulated in the storage chamber 11 to cool the storage chamber 11.

On the other hand, a plurality of shelves 31, .. In addition, the bottom wall 2A of the heat insulating wall 2
The upper surface is inclined downward toward the front of the fan case 23, and a drain receiver 41 is formed at the lowermost portion thereof, and a drain hole 42 is formed in the drain receiver 41. A drain hose 43 is connected to the drain hole 42 from below, a trap portion 44 is formed on the drain hose 43, and a drain screen 46 is inserted and mounted from above the drain hole 42.

The frost that has grown on the cooler 27 is heated and melted by a defrost heater (not shown). This defrost water flows down the upper surface of the bottom wall 2A, collects in the drain receiver 41, and is drained through the drain screen 46. Drain hose 4 from hole 42
It flows into 3 and is discarded. In addition, the dew condensation water and the like flowing down from the suction port 18 is also collected in the drain receiver 41 below it, and is similarly discharged.

On the other hand, a reflection plate 33 is attached to the front end of the ceiling wall 2B of the heat insulating wall 2. The reflection plate 33 is, for example, a white-painted steel plate, and includes the upper wall 33A and the outer layer discharge port 14
And a rear wall 33B located on the front side of the. This reflector 3
A thermometer 38 is attached to the front end of 3, and a light-transmitting shade 39 made of an acrylic milk translucent plate is attached below the thermometer 38. The shade 39 is opposed to the front of the rear wall 33B of the reflection plate 33 with a space therebetween, thereby forming a recess 51 open downward between the two.

The upper and lower parts are located in this recess 51.
The fluorescent lamps 36 and 37 of the book are attached to the upper wall 33A of the reflection plate 33 by the fixing clip 53 and the connecting clip 54. The fixing clip 53 is formed of a hard synthetic resin, and has a base portion 53A fixed to the upper wall 33A of the reflection plate 33 and an arcuate shape provided on the lower surface of the base portion 53A and open to both sides and downward. Holding portion 53B
(See FIG. 4).

On the other hand, the connecting clip 54 is also made of a hard synthetic resin, and is provided on the central base portion 54A and the upper and lower surfaces of the base portion 54A, and has an arc shape opened to both sides and above or below, respectively. Holding portions 54B, 54C
(See FIG. 4). Further, the holding strengths of the holding portions 53A, 53B, and 53C of both clips 53 and 54 are substantially equal.

Two such fixing clips 53 are prepared,
The bases 53A and 53A are located at a position slightly inside the plugs on both side ends of the upper fluorescent lamp 36, and the upper wall 3 of the reflection plate 33 is formed.
It is fixed at 3A. In addition, two connecting clips 54 are also prepared, and the holding portions 54B, 54B on the upper surface of the fixing clips 53, 53 are detachably engaged with the upper fluorescent lamp 36 at positions inside the fixing clips 53, 53. , The holding portions 54C, 54C on the lower surface are detachably engaged with the fluorescent lamp 37 on the lower side. As a result, the upper and lower fluorescent lamps 36 and 37 are connected to each other.

Next, the plugs at both ends of the fluorescent lamps 36 and 37 are connected to the sockets 61 and 61 or 62 and 62, and in that state, they are inserted into the recess 51 from below. Then, by detachably engaging the upper fluorescent lamp 36 with the holding portions 53B, 53B of the fixing clips 53, 53,
Both fluorescent lamps 36 and 37 are stably mounted side by side in the recess 51.

Next, when the fluorescent lamps 36 and 37 are defective in lighting due to deterioration over time, it is necessary to replace them. At this time, when replacing the lower fluorescent lamp 37, the base portion 54A of the connecting clip 54 is pressed and placed, and in that state, only the fluorescent lamp 37 is pulled down and removed from the holding portion 54B.
Take out only 7 downwards. Then, a new fluorescent lamp 37 is inserted into the recess 51 from below and is engaged with the holding portion 54B.

On the other hand, when replacing the upper fluorescent lamp 36 (or both fluorescent lamps 36 and 37), insert a hand into the recess 51 from below to hold the upper fluorescent lamp 36 and pull it down. The fluorescent lamp 36 is removed from the holding portion 53B of the fixing clip 53. At this time, since the two fluorescent lamps 36, 37 are connected to each other by the connecting clips 54, 54, the fluorescent lamps 36, 37 are taken out together downward from the recess 51 in a connected state.

Then, after engaging the new fluorescent lamp 36 with the holding portion 54B of the connecting clip 54, the recess 51 is again provided.
The replacement of the fluorescent lamp 36 is completed only by inserting the fluorescent lamp 36 into the inside and engaging the fluorescent lamp 36 with the holding portion 53B of the fixing clip 53.
Therefore, in order to replace the upper fluorescent lamp 36, it is not necessary to remove the lower fluorescent lamp 37 and then remove the fluorescent lamp 36, so that the replacement workability of the fluorescent lamps 36 and 37 is significantly improved.

FIG. 5 shows another embodiment of the present invention, in which the connecting clips 54, 54 are fluorescent lamps 3.
6 or 37 fixing clips 53 in the longitudinal direction,
Outside of 53, the fluorescent lamps 36 and 37 are engaged.
According to this configuration, when the upper fluorescent lamp 36 is replaced,
By holding one end of the lower fluorescent lamp 37 (for example, the outside of the connecting clip 54) and pulling it downward,
When viewed from the other end of the fluorescent lamp 36, the connecting clip 54
Is farther than the fixing clip 53, the holding portion 53B of the fixing clip 53 comes off first due to the moment.

Therefore, as described above, it becomes possible to remove the fluorescent lamps 36 and 37 while they are connected without inserting a hand into the recess 51, and the workability of exchanging the fluorescent lamps 36 and 37 is further improved.

In the embodiment, the case where the upper and lower two fluorescent lamps are arranged has been described, but the present invention is not limited to this and the present invention is also effective when three or more fluorescent lamps are arranged side by side.
In that case, the uppermost fluorescent lamp may be held by the fixing clip, and the pair of fluorescent lamps arranged vertically may be sequentially connected by the connecting clip.

[0028]

As described above in detail, according to the present invention, the upper fluorescent lamp is fixed to the wall surface of the recess by the fixing clip.
In addition, since the upper and lower fluorescent lamps are connected to each other by the connecting clip, a plurality of fluorescent lamps can be attached to the showcase side by side in the recess.

When replacing the lower fluorescent lamp, only the fluorescent lamp can be removed from the connecting clip and pulled out downward, and when replacing the upper fluorescent lamp, the fluorescent lamp is fixed. By removing from the clip for use, it is possible to pull out the upper and lower fluorescent lamps downward from the inside of the recess while being connected by the connecting clip. Therefore, the replacement work of the plurality of fluorescent lamps can be performed extremely smoothly.

Further, according to the invention of claim 2, in addition to the above, since the connecting clip is provided outside the fixing clip in the longitudinal direction of the fluorescent lamp, if the holding strength of both clips is made equal, for example, By holding one end of the lower fluorescent lamp and pulling it down, it becomes possible to remove it first from the fixing clip due to the moment. Therefore, even when the upper fluorescent lamp is replaced, it is not necessary to insert the hand into the recess and remove the fluorescent lamp from the fixing clip, and it is possible to further improve the workability of replacing each fluorescent lamp. It is a thing.

[Brief description of drawings]

FIG. 1 is a vertical sectional side view of a showcase of the present invention.

FIG. 2 is a vertical cross-sectional side view of the front end of the upper portion of the heat insulating wall of the showcase of the present invention.

FIG. 3 is a front view of the upper and lower fluorescent lamps.

FIG. 4 is a vertical sectional side view of the front end of the upper portion of the heat insulating wall of the showcase of the present invention with the upper and lower fluorescent lamps removed.

FIG. 5 is a front view of upper and lower fluorescent lamps showing another embodiment of the present invention.

[Explanation of symbols]

 1 Showcase 2 Heat insulation wall 11 Storage room 12 Opening 36 Fluorescent lamp 37 Fluorescent lamp 51 Recess 53 Clip for fixing 54 Clip for connecting

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Masahiro Sakai 2-5-5 Keihan Hondori, Moriguchi City, Osaka Sanyo Electric Co., Ltd.

Claims (2)

[Claims] 1. In a showcase in which a plurality of fluorescent lamps are vertically arranged side by side in a recess formed outside the upper edge of an opening of a heat insulating wall, the fluorescent light on the upper side is fixed to the wall surface of the recess. A showcase comprising: a fixing clip that detachably holds a lamp, and a connecting clip that detachably connects the upper and lower fluorescent lamps to each other. 2. The showcase according to claim 1, wherein the connecting clip is provided outside the fixing clip in the longitudinal direction of the fluorescent lamp.