JP2002181428A - Showcase - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a showcase wherein cooling efficiency is prevented from being deteriorated owing to a buying person forgetting to close a sliding door, and a seller recognizes opening of the sliding door. SOLUTION: A lower rail 7 is inclined such that it is lowered to closing positions of respective sliding doors 2, 3 at the showcase and once the respective selling sliding doors 2, 3 are opened. The lower rail 7 is moved to the closed position, so that even when a customer forgets closing of the respective selling sliding doors 2, 3, the respective sliding doors 2, 3 at the showcase are automatically closed. Thus, the respective sliding doors 2, 3 at the showcase are prevented from being left behind in the state where it is opened, and hence cooling efficiency is not lowered owing to fresh air invading into a showcase body 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a showcase installed in a station store, a convenience store, and the like.

[0002]

2. Description of the Related Art Conventionally, as a showcase of this type, a showcase body having a front and a back opening, and a showcase body opening and closing having a transparent plate provided on the front surface of the showcase body and capable of seeing through the inside of the showcase body. Sliding door for
Equipped with a sliding door for product refilling, which is provided on the back of the showcase body and has a transparent plate through which the inside of the showcase body can be seen through, and a refrigeration circuit for cooling the inside of the showcase body. Are generally known. According to this showcase, the buyer opens the sliding door on the front side of the showcase body and takes out the product from the front side, and the seller opens the sliding door on the back side and replenishes the product from the back side. I have.

[0003] A rail portion extending in the left-right direction for guiding the sliding door is provided at the front lower portion of the showcase body, and a pair of left and right wheels are provided on the sliding door to contact the rail portion. It can be easily done.

[0004]

However, in the above-mentioned showcase, if the purchaser forgets to close the sliding door after opening the sliding door and taking out the product, the outside air enters into the showcase body and the cooling efficiency is reduced. Is significantly reduced. Further, there is a problem that the seller cannot grasp the open state of the sliding door from the back side of the showcase, and the sliding door is left open. Furthermore, even when the sliding door is closed, the sliding door may be slightly opened due to the recoil of the closing, which also causes a problem that the cooling efficiency is reduced.

[0005] In addition, since the seller recognizes that the sliding door for product sale has been opened by visually observing the behavior of the buyer, for example, the seller works on the opposite side of the showcase. Not only can you not understand the behavior of the buyer,
Since the sliding door is opened and it cannot be recognized that the product has been taken out, the product in the showcase may be stolen.

[0006] The present invention has been made in view of the above problems, and an object of the present invention is to provide a showcase that prevents a decrease in cooling efficiency due to a purchaser forgetting to close a sliding door. Another object of the present invention is to provide a showcase that allows a seller to reliably recognize that a sliding door has been opened.

[0007]

According to the present invention, in order to achieve the above object, according to the present invention, there is provided a showcase main body having front and rear openings, and a front and rear side movable main body provided on the front of the showcase main body. A sliding door that opens and closes the inside of the showcase main body, and in a showcase having a lower rail portion that guides a lower portion of the sliding door to the front side of the showcase main body and extends in the left-right direction, the lower rail portion is located on a closed position side of the sliding door The sliding door is provided so as to be inclined downward, and includes a detecting means for detecting that the sliding door is closed, and a sound generating means for emitting a signal sound, and emits a signal sound when the sliding door is opened. Thereby, when the sliding door is opened by the purchaser, the sliding door moves toward the closed position due to its own weight, stops at the closed position, and the airtightness in the showcase body is maintained. Further, even if a force in the opening direction acts on the sliding door due to the vibration of the cooling device or the like, the sliding door is not slightly opened. Further, the seller can recognize that the sliding door has been opened by the signal sound.

According to a second aspect of the present invention, in the showcase according to the first aspect, the sliding door has a plurality of rolling elements abutting on a lower rail portion arranged side by side, and the sliding door has an inclined upper side. Is provided at a higher position with respect to the rolling element that contacts the lower inclined side. Thus, in addition to the operation of the first aspect, for example, when the height difference of each rolling element is made substantially equal to the height difference due to the inclination of the lower rail, the height difference of the lower rail is subtracted by the height difference of each rolling element. ,
The side of the rectangular sliding door is kept substantially vertical, and the sliding door moves while the upper and lower parts are kept substantially horizontal. Also, for example, by providing one of the rolling elements provided at the same height on the left and right of the conventional sliding door at a position higher than the other, the configuration of the sliding door of the present invention is obtained.

According to a third aspect of the present invention, the showcase includes a showcase main body having an open front and a back, and a sliding door provided on the front of the showcase main body and moving in the left-right direction to open and close the inside of the showcase main body. In a showcase having an upper rail portion that guides the upper portion of the sliding door to the front side of the main body and extends in the left-right direction, a closing position side of the sliding door of the upper rail portion, and a spring locking portion provided on the sliding door, A spring member that is locked to each spring locking portion and urges the sliding door in the closing direction; a detecting unit that detects that the sliding door is closed; and a sound generating unit that emits a signal sound, and the sliding door is opened. Sometimes it emits a signal tone. Thereby, when the sliding door is opened by the purchaser, the sliding door moves toward the closing position by the urging force of the spring member, stops at the closing position, and the airtightness in the showcase body is maintained. Further, even if a force in the opening direction acts on the sliding door due to vibrations of the cooling device or the like, the sliding door is not slightly opened by the urging force of the spring member. Further, the seller can recognize that the sliding door has been opened by the signal sound.

[0010]

1 to 5 show a first embodiment of a showcase of the present invention. FIG. 1 is a schematic external perspective view of the showcase, and FIG. 2 is a schematic front sectional view of the showcase. FIG. 3 is a front sectional view for explaining the operation of the sliding door, FIG. 4 is a partial side sectional view of the showcase, and FIG. 5 is a partial side sectional view of the showcase.

As shown in FIGS. 1 and 2, this showcase is provided with a box-shaped showcase body 1 having front and back openings and having an evaporator at the bottom, and an upper front part of the showcase body 1. An upper product sales sliding door 2, a lower product sales sliding door 3 provided at a lower front portion, an upper product refilling sliding door 4 provided at an upper rear portion, and a lower product refilling sliding door 5 provided at a lower rear portion.

The interior of the showcase body 1 is partitioned by a partition plate 6 into an upper storage room 1a and a lower storage room 1b.
A plurality of shelves 1c for displaying merchandise are vertically arranged in a and 1b. The upper storage room 1a can be switched between cooling and heating. When cooling the goods in the upper storage room 1a, the cool air is circulated also to the upper storage room 1a, and when heating, it is built in the shelf 1c. The heater (not shown) is operated. Further, in the present embodiment, the lower storage chamber 1b is dedicated to cooling, and cool air from the evaporator is circulated.

An upper selling sliding door 2 is provided in front of the upper storage room 1a of the showcase main body 1, a lower selling sliding door 3 is provided in front of the lower storage room 1b, and an upper supplementary sliding door 4 is provided in the back of the upper storage room 1a. A lower replenishing sliding door 5 is arranged on the back of the lower storage room 1b. Each of the sliding doors 2, 3, 4, and 5 is provided as a left and right pair alternately in the front-rear direction. One of the sliding doors 2, 3, 4, and 5 covers one of the left and right sides, and the other covers the other of the left and right sides. The inside is kept airtight. Each of the sliding doors 2, 3, 4, and 5 has a substantially square shape and is formed of a transparent plate except for an outer edge portion, so that the inside of the showcase body 1 can be visually recognized through the sliding doors 2, 3, 4, and 5. I have. Each of the sliding doors 2, 3, 4, and 5 is movable in the left-right direction, and when a product in the showcase body 1 is sold, each of the sliding doors 2, 3 is sold.
And the product in the showcase body 1 is taken out. In addition, when refilling the showcase body 1, the refilling sliding doors 4, 5 are moved to refill the showcase body 1.

The upper selling sliding door 2 has a pair of right and left rolling wheels 2a at its lower portion, and each wheel 2a is attached to the upper selling sliding door 2 via a wheel mounting portion 2b. Similarly, the lower sales sliding door 3 has a pair of left and right wheels 3a at its lower portion as the upper sales sliding door 2, and each wheel 3a is attached to the lower sales sliding door 3 via a wheel mounting portion 3b. I have.

As shown in FIG. 4, a lower rail portion 7 is provided at a lower portion on the front side of each of the storage rooms 1a and 1b of the showcase body 1. Each lower rail 7 protrudes upward, extends in the left-right direction, and has two lower rails 7a arranged in front and rear. Upper end surface of each lower rail 7a and each wheel 2
The sales sliding doors 2 and 3 move in the left-right direction by the engagement of the outer peripheral surfaces of the wheels a and 3a and the rolling of the wheels 2a and 3a. In addition, the front lower rail 7a is inclined to descend to the left, and the rear lower rail 7a is inclined to descend to the right. The front surface of the case body 1 is closed. Each of the wheel mounting portions 2b and 3b on the upper side of the lower rail 7a is located higher than those on the lower side. The height difference between the left and right wheels 2a, 3a substantially coincides with the height difference due to the inclination of each lower rail 7a. As shown in FIG. Is substantially vertical, and the upper and lower parts are substantially horizontal.

As shown in FIG. 5, an upper rail section 8 is provided at the front upper portion of each of the storage rooms 1a and 1b of the showcase body 1. Each upper rail portion 8 has two rail grooves 8 arranged in front and rear, which are recessed upward and extend in the left-right direction.
a. The upper portions of the sales sliding doors 2, 3 are received in the respective rail grooves 8a, and the sales sliding doors 2, 3 are guided in the left-right direction. Each rail groove 8a is provided substantially horizontally, and guides each of the sales sliding doors 2 and 3 so as to be movable in the vertical direction. That is, each of the sliding doors 2 and 3 is a lower rail 7a.
The upper part of the sliding door is located in the rail groove 8
a.

Each of the replenishment sliding doors 4, located on the back side of each storage room,
5 is guided in the left-right direction by the upper rail and the lower rail similarly to the sales sliding doors 2 and 3. In the present embodiment, the lower rails of each of the sliding doors 2 and 3 are not inclined.

Further, the showcase is provided with a blockage detecting sensor 9 for detecting that each of the sales sliding doors 2 and 3 is positioned below the inclination of the lower rail 7a. A blockage detection sensor 9 is provided for each of the sales sliding doors 2 and 3, and a warehouse inside sensor 9 a disposed at a front portion of the inside surface of the showcase body 1,
It comprises a sliding door-side sensor 9b disposed at a position facing the inside sensor 9a at the closed position of each sales sliding door 2,3. In the present embodiment, the inside sensor 9a
The sliding door sensor 9b is a proximity switch that can detect that the vehicle has approached a predetermined distance.

A speaker 10 that emits a signal sound is provided on a side surface of the showcase main body 1, and emits a signal sound when any one of the closing detection sensors 9 detects that the sales sliding door is opened. It has become. In the present embodiment, this signal sound is a chime sound.

In the showcase configured as described above, when each of the sales sliding doors 2 and 3 is opened by the purchaser,
Since the lower rail 7a is inclined, each sales sliding door 2,
3, its own weight acts in the closing direction, and as shown in FIG.
Each of the sales sliding doors 2 and 3 is automatically closed. At this time, each of the sales sliding doors 2 and 3 moves so that the side portion is substantially vertical and the upper and lower portions are substantially horizontal at any position on the open side and the closed side. FIG. 3 shows the operation of each sales door on the left side (the right side in the figure). Although not particularly shown, the sliding door is moved to the closed position by the same operation in each of the sales sliding doors on the right side.

As described above, according to the showcase of the present embodiment, when each of the sales sliding doors 2 and 3 is opened, it moves to the closed position, so that the purchaser forgets to close each of the sales sliding doors 2 and 3. The sales sliding doors 2 and 3 are automatically closed when the vehicle is closed. Accordingly, the sales sliding doors 2 and 3 are not left in an open state, and the cooling efficiency does not decrease due to the outside air entering the inside of the showcase body 1. In addition, each sales sliding door 2,
Since a force in the closing direction always acts on 3, the vibration generated when the cooling device such as the compressor and the internal fan is operated,
When the showcase is installed at a station store, the sliding door is not opened slightly due to the vibration transmitted from the train, etc.
Airtightness in the showcase body 1 can be reliably maintained.

Further, since the mounting height of each wheel 2a, 3a is made to correspond to the inclination of the lower rail 7a, each sales sliding door 2, 3 does not become oblique. For example, the mounting height of each wheel is reduced. By changing the position of one wheel of each of the conventional sales sliding doors, the configuration of each of the sales sliding doors 2 and 3 of the present embodiment can be very advantageous in practical use.

When any one of the sales sliding doors 2 and 3 is opened, a signal sound is emitted from the speaker 10, so that the seller can use the signal sound to open the sliding door when the purchaser purchases a product. You can recognize that you have done. Therefore, this can also prevent the sliding door from being left open. Also, for example, even if the seller is working on the other side of the showcase,
You can understand the purchase behavior of the buyer and there is no theft of the goods.

In the above-described embodiment, the lower rails 7a of the selling sliding doors 2 and 3 of the showcase body 1 are shown as being inclined, but the lower rails of the replenishing sliding doors 4 and 5 are shown as being inclined. Is also good.

Further, in the above embodiment, each lower rail 7a is projected so that each wheel 2a, 3 of each sales sliding door 2, 3 is protruded.
a, the lower rail is recessed, and a ball or the like engaging with the recess is removed from each of the sales sliding doors 2 and 3.
It is needless to say that any structure may be used as long as the lower rail and the rolling element engage with each other. Further, the sliding door may be provided with a sliding body instead of a rolling body.

In the above-described embodiment, the proximity switch including the inside sensor 9a and the sliding door sensor 9b is shown as the blockage detection sensor 9. However, the detection sensor is a proximity switch of only the inside sensor that directly detects the sliding door. It may be a switch or an optical switch.

FIGS. 6 to 8 show a second embodiment of the showcase of the present invention. FIG. 6 is a schematic front sectional view of the showcase, and FIG. 8
FIG. 2 is a partial side sectional view of the showcase. The showcase of the second embodiment has a point that each lower rail 7a is provided substantially horizontally, a spring 8c that urges each of the selling sliding doors 2 and 3 to the upper rail portion 8 in the closing direction, and a hook that locks the spring 8c. Metal fittings 8d, 8e
Is different from the showcase of the first embodiment. Hereinafter, the showcase of the second embodiment is referred to as a first case.
Description will be made using the same reference numerals as those of the embodiment.

As shown in FIG. 6, the lower rail 7a extending in the left-right direction is provided substantially horizontally, and there is no difference in height between the left and right wheels 2a, 3a in each of the sales sliding doors 2, 3, and each wheel 2
a and 3a are provided substantially horizontally.

As shown in FIGS. 7 and 8, each groove 8a of each upper rail portion 8 has a corresponding one of the sales sliding doors 2, 3 inserted therein.
A spring 8c for urging the valve in the direction of closing the housing is housed.
Each of the springs 8c is formed in a coil shape and is capable of expanding and contracting in the left-right direction. Both ends of each spring 8c are locked by a rail-side latch 8d provided in each groove 8a and a sliding door-side latch 8e provided at the upper end of each sliding door. Each rail-side latch 8d is installed at the end of each groove 8a on the closing position side of each sliding door, and each sliding door-side latch 8e is provided at the upper end of each selling sliding door 2,3. In the present embodiment,
Each latch 8d on the rail side is attached to the upper surface of the groove 8a, and each latch 8e on the sliding door is attached to the end of each selling sliding door opposite to the latch 8d on the rail side. Further, each of the springs 8c urges each of the sales sliding doors 2, 3 in a closing direction when each of the sales sliding doors 2, 3 is closed.

Further, similarly to the first embodiment, a closing detection sensor 9 comprising a warehouse inside sensor 9a and a sliding door side sensor 9b is provided for each of the sales sliding doors 2 and 3. Also in the present embodiment, the inside sensor 9a and the sliding door side sensor 9b are proximity switches that can detect that they are closer than a predetermined distance.

A speaker 10 that emits a signal sound is provided on a side surface of the showcase main body 1. When any one of the blockage detection sensors 9 detects that the sales sliding door is opened, the speaker 10 emits a signal sound. It has become.

In the showcase constructed as described above, when the sales sliding doors 2 and 3 are opened by the purchaser,
The urging force of the spring 8c acts in the closing direction of each of the sales sliding doors 2 and 3, and as shown in FIG. 7, the sales sliding doors 2 and 3 are automatically closed. 6 and 7 show the operation of each sales sliding door on the left side (the right side in the figure). Although not particularly shown, the sliding door is moved to the closed position by the same operation in each of the sales sliding doors on the right side.

As described above, according to the showcase of this embodiment, when the sales sliding doors 2 and 3 are opened, they move to the closed position, so that the purchaser forgets to close the sales sliding doors 2 and 3. The sales sliding doors 2 and 3 are automatically closed when the vehicle is closed. Accordingly, the sales sliding doors 2 and 3 are not left in an open state, and the cooling efficiency does not decrease due to the outside air entering the inside of the showcase body 1. In addition, each sales sliding door 2,
Since a force in the closing direction always acts on 3, the vibration generated when the cooling device such as the compressor and the internal fan is operated,
When the showcase is installed at a station store, the sliding door is not opened slightly due to the vibration transmitted from the train, etc.
Airtightness in the showcase body 1 can be reliably maintained.

Since the groove 8a of the upper rail portion 8 is used as a guide for the spring 8c, there is no need to provide a guide member for the spring 8c, so that the manufacturing cost of the showcase can be reduced, which is extremely advantageous in practical use. It is.

When any one of the sales sliding doors 2 and 3 is opened, a signal sound is emitted from the speaker 10, and the seller uses the signal sound to open the sliding door when the purchaser purchases a product. You can recognize that you have done. Therefore, this can also prevent the sliding door from being left open. Also, for example, even if the seller is working on the other side of the showcase,
You can understand the purchase behavior of the buyer and there is no theft of the goods.

In the above-described embodiment, the proximity switch composed of the inside sensor 9a and the sliding door side sensor 9b is shown as the blockage detection sensor 9, but the detection sensor is a proximity switch of only the inside sensor that directly detects the sliding door. It may be a switch or an optical switch.

[0037]

As described above, according to the showcase of the first aspect, when the sliding door is opened by the purchaser, the sliding door moves toward the closing position by its own weight and stops at the closing position. Since the airtightness inside the showcase body is maintained, the sliding door is not left in an open state, and the outside air does not enter the inside of the showcase body and the cooling efficiency does not decrease. In addition, since the seller can recognize that the sliding door has been opened by the signal sound, it is possible to prevent the sliding door from being left in an opened state. Further, for example, even if the seller is working on the opposite side of the showcase, the purchase behavior of the buyer can be grasped, and the product is not stolen.

According to the showcase of the second aspect, in addition to the effect of the first aspect, for example, one of the rolling elements provided at the same height on the left and right of the conventional sliding door is placed at a position higher than the other. By providing the sliding door, the sliding door of the present invention can be configured, which is extremely advantageous in practical use.

According to the third aspect of the present invention, when the purchaser opens the sliding door, the sliding door moves toward the closed position due to the urging force of the spring member, and stops at the closed position to stop. Since the airtightness inside the main body is maintained, the sliding door will not be left in an open state,
Cooling efficiency does not decrease due to outside air entering the inside of the showcase body. Also, since the seller can recognize that the sliding door has been opened by the signal sound,
This can also prevent the sliding door from being left open. Further, for example, even if the seller is working on the opposite side of the showcase, the purchase behavior of the buyer can be grasped, and the product is not stolen.

[Brief description of the drawings]

FIG. 1 is a schematic external perspective view of a showcase showing a first embodiment of the present invention.

FIG. 2 is a schematic front sectional view of a showcase.

FIG. 3 is an explanatory diagram of the operation of a sliding door.

FIG. 4 is a partial side sectional view of a showcase.

FIG. 5 is a partial side sectional view of the showcase.

FIG. 6 is a schematic front sectional view of a showcase showing a second embodiment of the present invention.

FIG. 7 is an explanatory diagram of the operation of a sliding door.

FIG. 8 is a partial side sectional view of the showcase.

[Explanation of symbols]

1 ... showcase body, 2 ... upper selling sliding door, 2a ... wheels,
2b: Wheel mounting part, 3: Sliding door for lower sales, 3a: Wheel, 3b
... Wheel mounting part, 7 rail part, 7a lower rail, 8 upper rail part, 8c spring, 8d hook member, 8e hook member, 9 blockage detection sensor, 10 speaker.

Continued on the front page (72) Inventor Toshio Tadokoro 20 Kotobukicho, Isesaki-shi, Gunma F-term (reference) 3B110 AA07 CA05 3L045 AA02 AA04 AA07 BA01 CA02 DA02 EA01 LA01 LA18 NA15 PA04 3L102 JA03 KA08 KB14 KB19 KB25 LE04

Claims (3)

[Claims] 1. A showcase main body having an open front and back, and a sliding door provided on the front of the showcase main body and moving in the left-right direction to open and close the inside of the showcase main body, wherein the front side of the showcase main body has the sliding door. In a showcase having a lower rail portion that guides the lower portion of the sliding door and extends in the left-right direction, the lower rail portion is provided so as to be inclined to the closed position side of the sliding door, and a detecting unit that detects that the sliding door is closed, And a sound generating means for generating a signal sound, wherein a signal sound is generated when the sliding door is opened. 2. The sliding door has a plurality of rolling elements abutting on a lower rail portion arranged side by side, wherein a rolling element abutting on an upper inclined side of the lower rail portion is provided with a rolling element abutting on an inclined lower side. The showcase according to claim 1, wherein the showcase is provided at a high position with respect to the moving body. 3. A showcase main body having an open front and rear surface, and a sliding door provided on the front of the showcase main body and moving in the left-right direction to open and close the interior of the showcase main body, wherein the front side of the showcase main body is provided with the sliding door. In a showcase having an upper rail portion that guides an upper portion of a sliding door and extends in the left-right direction, a spring locking portion provided on the sliding door closed position side of the upper rail portion, the sliding door, and each spring locking portion. A spring member that locks the sliding door in the closing direction and detects the closing of the sliding door; and a sound generating unit that emits a signal sound, and emits a signal sound when the sliding door is opened. A showcase characterized by the above.