JP5531126B2 - Showcase - Google Patents

Description

  The present invention relates to a showcase for storing articles in a storage chamber defined inside a box.

  In grocery stores, convenience stores, etc., showcases for storing and displaying items such as food and beverages in a refrigerated state are suitably used. In this showcase, an article storage chamber is defined inside a heat insulating box formed by filling a foam heat insulating material such as urethane between an inner box and an outer box. Moreover, the opening part opened ahead is opened in the front part of the heat insulation box, and this opening part is closed by the door body arrange | positioned at the heat insulation box so that opening and closing is possible.

  The showcase is provided with an illuminating device for illuminating the storage room, and as a light source of the illuminating device, an LED using a low exothermic LED instead of a conventional incandescent lamp or light bulb is known ( For example, see Patent Document 1). In the illumination device of Patent Document 1, a lamp case on which a substrate on which an LED is mounted is disposed is disposed in a notch portion formed by notching a part of an inner wall that defines a storage chamber, and light from the LED is disposed. Is diffused with a lamp cover that covers the opening of the lamp case to illuminate the storage chamber.

JP 2008-75935 A

  In the lighting device, a notch is formed in the inner wall that defines the storage chamber in the heat insulation box, and the lighting device is embedded in the notch, so that the number of parts increases, the number of processing steps increases, and the manufacturing cost increases. The problem of rising is pointed out. In addition, the wiring connected to the substrate of the lighting device is connected to a control device disposed in the machine room formed in the lower part of the heat insulation box, so that the wiring can be routed in the storage room or wired at the bottom of the heat insulation box. It was necessary to process such as forming a through hole, and it took time and effort.

  That is, the present invention has been proposed to solve these problems in view of the problems inherent in the prior art, and an object of the present invention is to provide a showcase that can illuminate a storage room at low cost. And

In order to solve the above problems and achieve the intended purpose, the showcase according to the present invention is:
In a showcase in which a storage room for storing articles is defined inside a box having an opening,
The box body is accommodated in an outer box having an opening on one side, and an inner box having an opening on the same side is spaced apart with the openings aligned in the thickness direction of the box. A connection frame that defines the opening is mounted across an opening edge that is separated in the thickness direction of the body, and is configured by being filled with a heat insulating material between both boxes and the connection frame .
A recessed portion that is integrally formed with a connection frame that defines the upper side of the opening, and that opens obliquely downward toward the opening toward the back of the storage chamber ;
A lighting device comprising a substrate and a plurality of LEDs mounted on a mounting surface of the substrate;
It is integrally formed in the bottom wall portion inclined toward the rear side of the storage chamber while facing the opening of the recess defining a recess definitive connection frame, mounting a substrate of the illuminating device in the recess With a mounting part,
The substrate is mounted in the recess in a direction in which light from the LED is irradiated obliquely downward toward the back side of the storage chamber ,
The gist of the present invention is that the illumination device is disposed in the recess so as not to protrude toward the opening .
According to the first aspect of the present invention, since the recessed portion and the mounting portion of the substrate are integrally formed on the connection frame that connects the outer box and the inner box of the heat insulating box, the number of parts of the lighting device and the lighting device are disposed. Therefore, it is possible to reduce the processing man-hours for manufacturing, to reduce the manufacturing cost, and to improve the assemblability. Moreover, the light irradiated from LED is irradiated from diagonally upward toward the back side of a storage chamber, and the whole storage chamber can be illuminated. Moreover, since the illuminating device arrange | positioned by the recessed part does not protrude in the opening part side, cleaning property improves.

In the invention which concerns on Claim 2, the said connection frame is spaced apart in the thickness direction of the said box, The outer connection part formed by bending the opening edge of the said outer box toward the inner side of the box, and the said inner The gist is that the opening edge of the box is attached to the inner connection part that is bent toward the outside of the box, and functions as the inner wall of the box .

In the invention according to claim 3, it is integrally formed on the front Symbol bottom wall portion, and a plurality of positioning bosses protruding toward the opening of the recess,
A plurality of engaging hooks that are integrally formed on the bottom wall and project to the opening side of the recess,
The gist of the invention is that the substrate is mounted in the recess when the back surface opposite to the mounting surface is in contact with the positioning boss and the engaging hook is engaged with the mounting surface of the substrate.
According to the third aspect of the present invention, the assembly can be improved because the substrate can be easily assembled by only engaging the engagement hook with the engagement hook.

The gist of the invention according to claim 4 is that the wiring connected to the substrate is embedded in a heat insulating material filled between the outer box and the inner box.
According to the invention of claim 4, by burying the wiring connected to the substrate disposed in the recess in the heat insulating material, there is no need to route the wiring in the storage chamber or to form a through hole in the bottom of the heat insulating box. The processing man-hours can be reduced.

  According to the showcase according to the present invention, the lighting device can be arranged at low cost.

It is a schematic longitudinal side view of a showcase. It is a principal part schematic vertical side view which shows the arrangement | positioning site | part of the illuminating device in a showcase. It is a schematic longitudinal rear view which shows the principal part of a showcase. It is a principal part outline vertical side view which shows the arrangement | positioning site | part of the illuminating device in the showcase which concerns on an Example. It is a schematic longitudinal rear view which shows the principal part of the showcase which concerns on an Example.

  Next, the showcase according to the present invention will be described below with reference to the accompanying drawings by way of preferred embodiments. In the following description, front / rear and left / right are designated when the showcase is viewed from the front side (front opening side), unless otherwise specified.

  FIG. 1 shows a showcase 10 including a lighting device in which a substrate on which a plurality of LEDs are mounted on a mounting surface is mounted in a recess of an inner box in a direction in which light is emitted from the LEDs toward a storage chamber. explain. As shown in FIG. 1, a showcase 10 includes an outer box 12, an inner box 14 that is accommodated in the outer box 12 with a space therebetween, urethane filled between the outer box 12 and the inner box 14, and the like. A heat insulating box (box) 18 composed of the foam heat insulating material (heat insulating material) 16 is placed on a casing 20 and configured. Inside the heat insulation box 18, a storage chamber 22 for storing articles such as foods and beverages is defined, and a cooling chamber 26 partitioned from the storage chamber 22 by a partition plate 24 in a vertical relationship. Is defined below the inside of the heat insulating box 18.

  Inside the casing 20, a machine room 28 in which a refrigeration apparatus (not shown) including a compressor, a condenser, and the like is stored is defined. The cooling chamber 26 contains a cooler to which refrigerant is circulated and supplied from a refrigeration apparatus and a cooling fan for cooling the air (none of them are shown). By driving the cooling fan, the storage chamber 22 air is taken into the cooling chamber 26, and the cool air in the cooling chamber 26 cooled by the cooler is sent to the storage chamber 22.

  The outer box 12 has a rectangular opening formed on the front surface (one surface), the inner box 14 has a rectangular opening formed on the front surface (one surface), and the inner box 14 is opened inside the outer box 12. As shown in FIG. 1, a rectangular front opening 18 a that opens forward is formed in the front portion of the heat insulating box 18. The front opening 18a is configured to be openable and closable by a door body 30 pivotally supported on the front surface of the heat insulating box 18. Further, the door 30 is configured such that a transparent frame 30b such as glass or an acrylic plate is disposed on a rectangular frame 30a so that the inside can be visually recognized.

  The left and right inner wall surfaces of the inner box 14 that defines the storage chamber 22 are provided with a plurality of engaging portions 32 that are spaced apart in the vertical direction, and a plurality of engagement portions that are located in the same horizontal plane. A shelf network 34 as a shelf member is placed on the stopper 32. As shown in FIG. 1, the shelf network 34 is arranged in multiple stages in the vertical direction, and is configured to place articles on each shelf network 34.

  The inner box 14 constitutes the inner wall of the heat insulating box 18, and a portion of the inner box 14 that faces the upper side of the front opening 18 a is located on the storage chamber 22 side as shown in FIG. 2. A recessed portion 36 that is open is integrally formed. Moreover, the recessed part 36 is formed over the substantially full length of the left-right direction in the inner case 14, as shown in FIG. As shown in FIG. 2, the concave portion 36 is opened at the upper corner portion of the inner box 14, and the front wall portion 36b and the rear wall portion 36c, the front wall portion 36b and the rear wall portion facing each other with the opening portion 36a interposed therebetween. It is comprised from the bottom wall part 36d provided in a row between the edge parts spaced apart from the opening part 36a of the wall part 36c. Further, the front and rear wall portions 36b and 36c are inclined downward at a predetermined angle from the bottom wall portion 36d side toward the back side of the storage chamber 22, so that the bottom wall portion 36d faces the back side of the storage chamber 22. It is directed diagonally downward. Note that, at the end of the front wall portion 36b on the side of the opening portion 36a, a joint portion 14a that forms an opening edge is formed so as to extend in parallel with the front surface opening portion 18a. It is joined to the joint 12a that forms the opening edge.

  A plurality of positioning bosses 38 and a plurality of engagement hooks (mounting portions) 40 are integrally formed on the bottom wall portion 36 d of the recess 36, and the illumination device 42 is placed in the recess 36 by the positioning boss 38 and the engagement hook 40. Arranged. The engagement hook 40 includes a pair of engagement hooks 40, 40 spaced apart in the front-rear direction of the bottom wall portion 36d (opposite direction of the front wall portion 36b and the rear wall portion 36c). As shown, they are spaced apart in the left-right direction. Further, the positioning bosses 38 are also formed as a pair of positioning bosses 38, 38 in the same manner as the engagement hook 40, and a plurality of sets are separated in the left-right direction. The depth of the recess 36, that is, the length from the opening 36 a to the bottom wall 36 d is determined by the lighting device 42 disposed in the recess 36 via the positioning boss 38 and the engagement hook 40 on the storage chamber 22 side. The dimensions are set so as not to protrude.

  The illuminating device 42 is configured by linearly mounting a plurality of LEDs 44 having the same light emission color on a mounting surface of a substrate 46 in a line, and the substrate 46 has a surface (back surface) opposite to the mounting surface. The edge extending in the longitudinal direction in contact with the positioning boss 38 is configured to be fitted into the recess 36 by engaging with the engagement hooks 40, 40 from both front and rear sides (see FIG. 2). ). In addition, as the luminescent color of said LED44, the white thing is preferable in the showcase 10 which accommodates foodstuffs.

  The LEDs 44 mounted on the substrate 46 are bullet-shaped, and are mounted so that the optical axis faces the direction orthogonal to the mounting surface of the substrate 46. Then, as shown in FIG. 2, the substrate 46 is mounted in the recess 36 in a posture parallel to the bottom wall portion 36d, and from the LED 44 mounted on the mounting surface facing the opening 36a of the recess 36. The light is configured to irradiate obliquely downward toward the back side of the storage chamber 22. Further, as shown in FIG. 1, the wiring 48 connected to the substrate 46 extends to the machine room 28 between the outer box 12 and the inner box 14, that is, embedded in the foam heat insulating material 16. A control device 50 disposed in the chamber 28 is connected. A through hole (not shown) for inserting the wiring 48 is formed in the bottom wall portion 36 d of the recess 36 and the bottom portion of the outer box 12.

  Next, the operation of the showcase 10 will be described below.

  By turning on the LED 44 of the illuminating device 42, the light emitted from the LED 44 is irradiated obliquely from above toward the back side of the storage chamber 22, and the entire storage chamber 22 can be illuminated. The article placed on the net 34 can be seen well. Further, by using a bullet-type LED having strong directivity as the LED 44, it is possible to sufficiently irradiate light to the back side of the storage chamber 22, and it is possible to prevent the back side of the storage chamber 22 from becoming dark. As shown in FIG. 2, the illumination device 42 disposed in the recess 36 does not protrude toward the storage chamber 22, so that the internal volume of the storage chamber 22 is not reduced and the cleaning property is improved. Furthermore, since the amount of heat generated by the LED 44 of the lighting device 42 is small, there is no risk of secondary foaming of the foamed heat insulating material 16 covering the periphery of the lighting device 42, and heat applied to the resin components facing the periphery of the lighting device 42. The influence can be suppressed, the temperature rise in the storage chamber 22 can be suppressed, and an improvement in cooling capacity can be expected.

  Since the recess 36 in which the lighting device 42 is disposed, the engagement hook 40 for mounting the substrate 46 and the positioning boss 38 are integrally formed with the inner box 14 constituting the heat insulating box 18, The lamp case for arranging the substrate 46 and the means for attaching the lamp case can be omitted, the number of parts for arranging the lighting device 42 can be reduced, and the manufacturing cost can be kept low. it can.

  Further, the illuminating device 42 can be easily assembled by simply engaging the substrate 46 with the engagement hook 40, so that the assemblability is improved. Moreover, the inner box 14 having the illumination device 42 disposed in the recess 36 is assembled in the outer box 12, and the wiring 48 connected to the substrate 46 is inserted into the corresponding through holes of the inner box 14 and the outer box 12. By filling the space with the foam heat insulating material 16 while facing the space between the two boxes 12 and 14, the wiring 48 can be integrated with the heat insulating box body 18 while being embedded in the foam heat insulating material 16. it can. That is, it is not necessary to route the wiring 48 of the lighting device 42 in the storage chamber 22 or to form a through hole for communicating the storage chamber 22 and the machine chamber 28 at the bottom of the heat insulating box 18. It becomes easy and processing and assembly man-hours can be reduced.

  4 and 5 show a showcase 52 according to the embodiment, and the basic configuration of the showcase 52 is the same as that of the showcase 10 described above. These members are denoted by the same reference numerals and description thereof is omitted.

  Inside the outer box 12 which is formed in a box shape with one side opened, an inner box 14 which is also formed in a box shape with one side opened is accommodated in a state where the openings are aligned. As shown in FIG. 4, the outer connecting portion 54 forming the opening edge of the outer box 12 is bent toward the inside, and the inner connecting portion 56 forming the opening edge of the inner box 14 is bent toward the outside. Thus, both the connecting portions 54 and 56 are configured to face each other at a predetermined interval. Then, by attaching the connection frame 58 to both the connection portions (opening edges) 54 and 56, the both boxes 12 and 14 are assembled with the required space, and the space is filled with the foam heat insulating material 16. Thus, the heat insulating box 18 is configured. Further, the front opening 18 a of the heat insulating box 18 is defined by the connecting portions 54 and 56 and the connecting frame 58 of both the boxes 12 and 14, and the connecting frame 58 is the inner wall of the heat insulating box 18. Is functioning as

  In the connection frame 58 constituting the upper inner wall of the front opening 18a, a recess 60 that opens to the front opening 18a is integrally formed with a predetermined length in the left-right direction (see FIG. 5). As shown in FIG. 2, the concave portion 60 of the connection frame 58 includes an opening in the front wall portion 60b and the rear wall portion 60c facing each other across the opening portion 60a on the front opening 18a side, and openings in the front wall portion 60b and the rear wall portion 60c. And a bottom wall portion 60d provided between end portions separated from the portion 60a. The front and rear wall portions 60b and 60c are inclined downward at a predetermined angle from the bottom wall portion 60d side toward the back side of the storage chamber 22, and the bottom wall portion 60d faces the back side of the storage chamber 22. It is oriented diagonally downward. An outer joint piece 58a connected to the inner side of the outer connection portion 54 of the outer box 12 is integrally formed at an end portion of the front wall portion 60b on the opening portion 60a side, and an end portion on the opening portion 60a side of the rear wall portion 60c. In addition, an inner joint piece 58b connected to the inner side of the inner connection portion 56 of the inner box 14 is integrally formed.

  A positioning boss 62 and a board engagement hook (mounting portion) 64 are integrally formed on the bottom wall portion 58 d of the connection frame 58, and the lighting device 42 is arranged via the positioning boss 62 and the engagement hook 64. Established. The positioning boss 62 and the engagement hook 64 are the same in configuration as the positioning boss 38 and the engagement hook 40, and are engaged with the engagement hook 64 with the back surface of the substrate 46 in contact with the positioning boss 62. As a result, the illumination device 42 is disposed in a posture in which the light from the LED 44 irradiates obliquely downward toward the back side of the storage chamber 22 in the recess 60. Further, a through hole (not shown) is formed in the bottom wall portion 60d of the recess 60, and the wiring 48 connected to the substrate 46 is configured to be inserted into the space through the through hole. The wiring 48 extends to the machine room 28 while being embedded in the foam heat insulating material 16, and is connected to a control device 50 disposed in the machine room 28. In addition, the illuminating device 42 attached to the concave portion 60 is configured not to protrude toward the front opening 18a, and is configured not to deteriorate the cleaning performance.

  In the showcase 52 of the embodiment, the recess 60, the engagement hook 64, and the positioning boss 62 are integrally formed on the connection frame 58 attached to the connection portions (opening edges) 54, 56 between the outer box 12 and the inner box 14. Therefore, it is possible to reduce the number of parts and the number of processing steps for disposing the lighting device 42 and to keep the manufacturing cost low. In addition, the showcase 52 of the embodiment also has the same operational effects as the showcase 10 described above.

(Example of change)
The present application is not limited to the configuration described above, and other configurations can be appropriately employed.
1. A recess is formed in the upper corner of the inner box, but a recess is formed in the top wall of the inner box, and the light of the LED of the lighting device disposed in the recess is irradiated obliquely toward the back side of the storage chamber. It may be arranged in a posture.
2. Although a case has been described in which one concave portion is formed with a predetermined length in the left-right direction, a plurality of concave portions having a predetermined length in the left-right direction are formed in series at predetermined intervals in the left-right direction. A configuration in which an illumination device is provided can be employed.
3. The mounting portion for mounting the lighting device in the recess is not limited to the engagement hook of the embodiment, and various shapes that can be engaged with the lighting device to be positioned and held can be adopted.
4). Although the case where the storage room is cooled and the article is cooled and stored has been described as the showcase, the showcase may be of various other types such as a room where the storage room is heated by room temperature or a heater. That is, if it is a showcase that stores articles at room temperature, the box constituting the showcase need not have a heat insulating structure.

12 outer box, 14 inner box (inner wall), 16 foam insulation (heat insulation), 18 heat insulation box (box)
18a Front opening (opening), 22 storage room, 42 lighting device, 44 LED
46 Board, 48 Wiring, 54 Outer connection, 56 Inner connection, 58 Connection frame ( Inner wall)
60 recess, 60d bottom wall , 62 positioning boss, 64 engagement hook (mounting part)

Claims (4)

In a showcase in which a storage chamber (22) for storing articles is defined inside a box (18) having an opening (18a),
The box (18) is spaced in the outer box (12) having an opening on one side, and the inner box (14) having an opening on the same side is aligned in the thickness direction of the box (18). And a connecting frame (58) that defines the opening (18a) across the opening edge that is spaced apart in the thickness direction of the box (18) of both boxes (12, 14) . The space between the boxes (12, 14) and the connecting frame (58 ) is filled with a heat insulating material (16),
A recess (58) that is integrally formed with the connection frame (58) that defines the upper side of the opening (18a) and that opens obliquely downward toward the opening (18a) toward the back side of the storage chamber (22). 60)
A lighting device (42) comprising a substrate (46) and a plurality of LEDs (44) mounted on a mounting surface of the substrate (46);
Integral bottom wall portion (60d) which is inclined toward the back side of the storage chamber (22) with an opening facing the recess defines a recess (60) which definitive said connecting ring (58) (60) And a mounting portion (64) for mounting the substrate (46) of the lighting device (42) in the recess (60),
The substrate (46) is mounted in the recess (60) in a direction to irradiate light from the LED (44) obliquely downward toward the back side of the storage chamber (22) ,
The showcase, wherein the lighting device (42) is disposed in the recess (60) so as not to protrude toward the opening (18a) . The connection frame (58) is spaced apart in the thickness direction of the box (18), the outer edge of the outer box (12) is formed, and the outer connection part is bent toward the inside of the box (18). (54) and an inner connection part (56) formed by bending the opening edge of the inner box (14) toward the outside of the box (18), and the box (18) The showcase according to claim 1 configured to function as an inner wall . Is integrally formed on the front Symbol bottom wall portion (60d), and a plurality of positioning bosses protruding toward the opening of the recess (60) (62),
An engagement hook (64) as a plurality of mounting portions that are integrally formed with the bottom wall portion (60d) and project to the opening side of the recess (60)
The substrate (46) is in a state where the engagement hook (64) is engaged with the mounting surface of the substrate (46) in a state where the back surface opposite to the mounting surface is in contact with the positioning boss (62) ( 60) The showcase according to claim 1 or 2, which is mounted inside.   The wiring (48) connected to the substrate (46) is embedded in a heat insulating material (16) filled between the outer box (12) and the inner box (14). The showcase described in the section.

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