JP2019136275A - Show case - Google Patents

Abstract

To provide a show case that allows a movable shelf to be drawn easily and can reduce a burden on an operator.SOLUTION: A shelf board 21 is composed of a stationary shelf 32 and a movable shelf 35 that can be drawn forward with respect to the stationary shelf 32. The shelf board 21 is provided with a lock mechanism for fixing the movable shelf 35 to the stationary shelf 32. Detection devices 40 are disposed at two places on a front lower face of the movable shelf 35, and unlock the lock mechanism only when an operator is detected by each detection device 40 simultaneously.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a showcase, and more particularly, to a showcase that displays products in a display chamber whose front surface is open.

Conventionally, open showcases installed in convenience stores and supermarkets are known.
Conventionally, as such a showcase, a lock member that is rotatably attached to a rotation shaft provided in a shelf and includes a front end operation portion and a rear end hook portion, and a bracket or a member attached thereto And an engagement portion that is detachably engaged with the hook portion of the lock member when the shelf is pushed in, and a leaf spring that urges the hook portion in a direction to always engage the engagement portion. A technique is disclosed in which a shelf can be pulled out freely (see, for example, Patent Document 1).

JP 2000-083774 A

  However, in such an open showcase, when pulling out the shelf, it is necessary for the operator to release the hook portions provided on both sides of the shelf. In this case, when the width dimension of the shelf is large, there is a disadvantage that the operator cannot reach when the unlocking operation of the hook portion of the shelf is performed. In addition, a force is necessary because it is necessary to release the hook portion against the urging force of the spring, which causes a burden on a woman who does not have the force.

  The present invention has been made in view of the above points, and an object of the present invention is to provide a showcase in which a movable shelf can be easily pulled out and a burden on an operator can be reduced.

  In order to achieve the above object, the present invention provides a showcase in which a shelf board is installed in a display room for goods, and the shelf board includes a fixed shelf and a movable shelf that can be pulled forward with respect to the fixed shelf. The shelf board is provided with a lock mechanism for fixing the movable shelf to the fixed shelf, and the lock mechanism is electrically unlocked when an operator is detected by a detection device. It is characterized by doing.

  According to this, when the operator is detected by the detection device, the lock mechanism is electrically unlocked, so that the operator can easily pull out the movable shelf without applying force. .

  According to the present invention, when the operator is detected by the detection device, the lock mechanism is electrically unlocked, so that the operator can easily pull out the movable shelf without applying force. it can. As a result, the burden on the operator can be reduced.

The front view which shows embodiment of the showcase which concerns on this invention Side sectional view of the showcase of this embodiment Bottom view of shelf part of this embodiment The side view which shows the state which accommodated the movable shelf of the shelf part of this embodiment The side view which shows the state which pulled out the movable shelf of the shelf part of this embodiment

1st invention is the showcase which installs a shelf board in the display room of goods, The said shelf board is comprised from the fixed shelf and the movable shelf which can be drawn ahead with respect to this fixed shelf, The shelf plate is provided with a lock mechanism for fixing the movable shelf to the fixed shelf, and the lock mechanism electrically releases the lock when an operator is detected by the detection device.
According to this, when the operator is detected by the detection device, the lock mechanism is electrically unlocked, so that the operator can easily pull out the movable shelf without applying force. . As a result, the burden on the operator can be reduced.

According to a second aspect of the invention, the detection devices are arranged at two locations on the lower surface of the front portion of the movable shelf, and the lock mechanism is unlocked only when the detection devices are simultaneously detected.
According to this, since the lock mechanism is unlocked only when it is detected simultaneously by each detection device, even when a person other than the operator is mistakenly detected by the detection device, the lock is released. Can be prevented.

According to a third aspect of the present invention, each of the detection devices includes a touch sensor that detects contact, and the lock mechanism is unlocked only when the detection device detects contact of the operator at the same time.
According to this, since the lock is released only when the contact of the worker is detected simultaneously by the two detection devices, the worker can easily unlock the lock mechanism only by contacting the detection device. Can do.

According to a fourth aspect of the present invention, each of the detection devices is disposed at a position below the illumination lamp disposed on the lower surface of the front portion of the movable shelf so as not to interfere with the illumination lamp.
According to this, it is possible to achieve both the maintenance of the lighting effect in the display room by the illuminating lamp and the reduction of the load on the movable shelf.

In the fifth invention, each of the detection devices is made of a transparent material.
According to this, in the front part of the movable shelf with little space, restrictions on the arrangement position of each detection device are reduced, and the degree of freedom in design is improved.

According to a sixth aspect of the present invention, the lock mechanism is provided on a fixed shelf and is driven when detected by the detection device, a lock lever rotated by the solenoid, and a lock lever provided on a movable shelf. And a locking member that is locked by.
According to this, when an operator is detected by the detection device, the lock lever can be rotated to release the lock member by driving the solenoid.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a front view showing an embodiment of a showcase according to the present invention. FIG. 2 is a side sectional view of the showcase of this embodiment.
The showcase 1 of the present embodiment is an open showcase that is installed in a store such as a convenience store or a supermarket.

As shown in FIG. 1 and FIG. 2, the showcase 1 is attached to the outer surface side of the heat insulating wall 10 at the installation site, and the heat insulating wall 10 having a substantially U-shaped cross section covering the upper surface, the back surface, and the lower surface. It comprises a heat insulating side plate 11. An inner panel 12 is provided inside the heat insulating wall 10 so as to have a predetermined gap with respect to the heat insulating wall 10.
A deck pan 20 is disposed at the lower end of the inner panel 12, and the inside of the inner panel 12 and the deck pan 20 is a display chamber 15 having a front opening 13.

Further, inside the display chamber 15, a plurality of shelf plates 21 are installed that are detachably attached to a column (not shown) provided on the inner panel 12 located on the back side of the display chamber 15. Products are displayed on the top surfaces of the shelf board 21 and the deck pan 20.
Further, the shelf board 21 and the deck pan 20 can be pulled out forward, and when the top surface of the shelf board 21 and the deck pan 20 is replenished with goods, the shelf board 21 and the deck pan 20 can be pulled forward from the front opening 13 of the display chamber 15. It is configured to be able to do. When the deck pan 20 is pulled forward, the deck pan 20 is pulled out with a predetermined gap with respect to the lower edge of the front opening 13 of the display chamber 15.

Further, a canopy 23 is attached to the upper front end portion of the inner panel 12 over the entire width of the front opening 13, and an illumination lamp 24 that illuminates the inside of the display chamber 15 is attached to the inside of the canopy 23.
A panel 25 provided with a thermometer and an operation button for displaying the internal temperature of the display chamber 15 is attached to the front side of the canopy 23.

A space between the inner panel 12 and the deck pan 20 and the heat insulating wall 10 is a duct 16.
A discharge port 26 that communicates with the duct 16 and blows air inside the duct 16 into the display chamber 15 is formed behind the canopy 23. A suction port 27 communicating with the duct 16 is formed at the front end of the deck pan 20.
Further, below the deck pan 20, an evaporator 28 of a cooling device is accommodated.

Then, by driving a blower (not shown), the cold air exchanged with the evaporator 28 rises in the duct 16 and is discharged from the discharge port 26 toward the front opening 13. The cool air discharged to the front opening 13 is sucked into the duct 16 from the suction opening 27, whereby an air curtain is formed in the front opening 13 by the cool air, and a part of the cool air curtain is displayed. Circulated inside the chamber 15.
The inner panel 12 has a cold air outlet (not shown), and the inside of the display chamber 15 is cooled to a predetermined temperature by a part of the cold air curtain and the cold air blown out from the cold air outlet.

Next, the structure of the shelf board of this embodiment is demonstrated.
FIG. 3 is a bottom view of the shelf board portion. FIG. 4 is a side view showing a state in which the movable shelf of the shelf plate portion is accommodated. FIG. 5 is a side view showing a state in which the movable shelf of the shelf plate portion is pulled out.
As shown in FIGS. 3 to 5, the shelf board 21 includes a pair of support members 30 and 30 attached to the inner panel 12. A hook 31 for attaching to the inner panel 12 is formed at the rear end of the support member 30. A fixed shelf 32 is provided between the support members 30, and rail support members 33, 33 extending in the front-rear direction are provided above the support members 30. A rail member 34 is provided inside the rail support member 33 so as to be slidable in the front-rear direction along the rail support member 33.
The shelf board 21 includes a movable shelf 35. Rail receiving members 36, 36 are provided on both sides of the movable shelf 35, and the rail member 34 is inserted into the rail receiving member 36.

As shown in FIG. 4, in a state where the movable shelf 35 is accommodated, the movable shelf 35 is located above the fixed shelf 32, and the rail member 34 includes the rail support member 33 and the rail receiving member. 36 is held in a state of being housed inside.
Then, by pulling the movable shelf 35 forward, the rail member 34 is pulled out from the rail support member 33, and the rail receiving member 36 of the movable shelf 35 is pulled out from the rail member 34. The position shown in FIG.

In addition, two detection devices 40, 40 are arranged on the lower surface of the distal end portion of the movable shelf 35. The detection device 40 is configured by, for example, a touch sensor such as a capacitance sensor, and detection is performed when a worker who performs a replenishment operation of a product (hereinafter simply referred to as a worker) comes into contact. Note that the detection device 40 is not limited to a touch sensor, and an optical sensor, an infrared sensor, or the like that detects that an operator's hand has approached can also be used.
The detection devices 40 are preferably arranged at predetermined intervals, and each detection device 40 is preferably arranged at a position corresponding to the width of the operator's hands extended.
An illuminating lamp 41 is provided on the lower surface of the front end of the shelf plate 21 (movable shelf 35). The detection device 40 is disposed below the illumination lamp 41 and at a position where it does not interfere with the illumination lamp 41. According to this, both the maintenance of the lighting effect in the display room 15 by the illuminating lamp 41 and the reduction of the burden of pulling out the movable shelf 35 can be achieved. The position where the interference does not occur is, for example, a position outside the irradiation range of the illumination lamp 41. For example, if the detection device 40 is made of a transparent material such as a transparent resin, even if the detection device 40 is included in the irradiation range of the illumination lamp 41, the detection device 40 detects illumination by the illumination lamp 41. Since the light is not shielded, the detection device 40 does not interfere with the illumination lamp 41. According to this, since the detection apparatus 40 can also be arrange | positioned in the irradiation range of the illuminating lamp 41, the freedom degree of design improves.

A lock lever 42 is rotatably disposed at the center of the lower surface of the fixed shelf 32. A hook 43 is formed at one end of the lock lever 42. A solenoid 44 is disposed in the vicinity of the lock lever 42, and a pin 45 of the solenoid 44 is connected to the other end of the lock lever 42. Thereby, the lock lever 42 can be rotated by driving the solenoid 44.
In addition, a lock member 46 projects from the center of the lower surface of the movable shelf 35. In a state where the movable shelf 35 is accommodated above the fixed shelf 32, the hook 43 of the lock lever 42 is engaged with the lock member 46, thereby restricting the movement of the movable shelf 35.
In the present embodiment, the lock lever 42, the lock member 46, and the solenoid 44 constitute the lock mechanism of the present invention.
Then, by driving the solenoid 44 and rotating the lock lever 42 via the pin 45, the engagement between the hook 43 of the lock lever 42 and the lock member 46 is released, and the movable shelf 35 can be pulled out. .

Here, in the present embodiment, a detailed control circuit is not described, but the solenoid 44 is controlled to be driven when detection by the two detection devices 40 is performed simultaneously. That is, when an operator's hand contacts the detection device 40 provided on the lower surface of the front end of the movable shelf 35, detection by each detection device 40 is performed and the solenoid 44 is driven.
In this case, by arranging each detection device 40 at a position corresponding to the width that the operator has extended both hands, it is possible to perform a contact operation to each detection device 40 with the hand naturally extended. Become. For example, as shown in FIG. 3, if each detection device 40 is arranged not on both ends of the movable shelf 35 but on the center side and arranged at a position separated by about the shoulder width (about several tens of centimeters) of the operator. The contact operation to each of the detection devices 40 becomes easier.
In addition, the solenoid 44 is operated only when it is detected by the two detection devices 40 at the same time. When the solenoid 44 is operated when only one of the detection devices 40 is detected, for example, a shopper This is because, when a person other than the operator accidentally touches the detection device 40, the lock may be released.

Next, the operation of this embodiment will be described.
In the showcase of the present embodiment, by driving the blower, the cold air that has exchanged heat with the evaporator 28 rises inside the duct 16 and is discharged from the discharge port 26 toward the front opening 13. The cool air discharged to the front opening 13 is sucked into the duct 16 from the suction opening 27, whereby an air curtain is formed in the front opening 13 by the cool air, and a part of the cool air curtain is displayed. Circulated inside the chamber 15.
Further, the cool air in the duct 16 is blown out from the cold air outlet of the inner panel 12 to the display chamber 15, whereby the inside of the display chamber 15 is cooled to a predetermined temperature.

Further, when the shelf plate 21 is pulled out, detection by each detection device 40 is performed by the operator's hand simultaneously contacting the detection device 40 provided on the lower surface of the front end of the movable shelf 35, and the solenoid 44 is driven. Is done. By driving the solenoid 44, the lock lever 42 is rotated via the pin 45, the engagement between the hook 43 of the lock lever 42 and the lock member 46 is released, and the movable shelf 35 can be pulled out.
As described above, in the present embodiment, the engagement between the hook 43 of the lock lever 42 and the lock member 46 is easily released and the movable shelf 35 is pulled out simply by the operator touching each detection device 40. be able to.

As described above, in the present embodiment, the shelf board 21 includes the fixed shelf 32 and the movable shelf 35 that can be pulled forward with respect to the fixed shelf 32, and the shelf board 21 includes the movable shelf 35. Is provided to the fixed shelf 32, and the detection devices 40 are arranged at two locations on the lower surface of the front portion of the movable shelf 35, and only when an operator is detected simultaneously by each detection device 40, Unlock the lock mechanism.
The lock mechanism is provided on the fixed shelf 32 and driven when detected by the detection device 40, the lock lever 42 rotated by the solenoid 44, and the lock shelf 42 provided on the movable shelf 35. And a lock member 46 to be locked.

  Thereby, when contact is simultaneously detected by each detection device 40, the solenoid 44 is driven, the engagement between the lock lever 42 and the lock member 46 is released, and the movable shelf 35 can be pulled out. In this manner, the operator can easily disengage the lock lever 42 and the lock member 46 and pull out the movable shelf 35 simply by contacting the detection devices 40. As a result, the operator can easily pull out the movable shelf 35 without applying force, and the burden on the operator can be reduced.

  The present invention is not limited to the one described in the above embodiment, and various changes and applications can be made without departing from the spirit of the present invention.

  As described above, the showcase according to the present invention can release the lock mechanism only by detection by the detection device, and can easily pull out the movable shelf without placing a burden on the operator. Can be suitably used.

DESCRIPTION OF SYMBOLS 1 Showcase 10 Heat insulation wall 11 Side board 12 Inner panel 13 Front opening 15 Display room 20 Deck pan 21 Shelf board 23 Canopy 25 Panel 30 Support member 31 Hook 32 Fixed shelf 33 Rail support member 34 Rail member 35 Movable shelf 36 Rail receiving member 40 Detection Device 41 Illumination light 42 Lock lever 43 Hook 44 Solenoid 45 Pin 46 Lock member

Claims (6)

In a showcase where shelves are installed in the product display room,
The shelf board is composed of a fixed shelf and a movable shelf that can be pulled forward with respect to the fixed shelf.
The shelf plate is provided with a lock mechanism for fixing the movable shelf to the fixed shelf,
The showcase according to claim 1, wherein the lock mechanism electrically releases the lock when an operator is detected by the detection device. The detection devices are arranged at two locations on the lower surface of the front part of the movable shelf,
The showcase according to claim 1, wherein the lock mechanism is unlocked only when the detection devices are simultaneously detected. Each of the detection devices includes a touch sensor that detects contact,
The showcase according to claim 2, wherein the lock mechanism is unlocked only when contact of an operator is detected simultaneously by the detection devices.   The said each detection apparatus is arrange | positioned in the position which does not interfere with the said illumination light below the illumination light arrange | positioned at the front lower surface of the said movable shelf, The Claim 2 or Claim 3 characterized by the above-mentioned. Showcase.   The showcase according to claim 4, wherein each of the detection devices is made of a transparent material.   The lock mechanism is provided on a fixed shelf and driven when detected by the detection device, a lock lever rotated by the solenoid, and a lock member provided on a movable shelf and locked by the lock lever. The showcase according to any one of claims 1 to 5, wherein:

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