JP6351153B2 - Storage - Google Patents

Description

  The present invention relates to a storage.

  Conventionally, the thing of the following patent document 1 is known as a storage provided with storage rooms, such as a refrigerator compartment and a warm room. The thing of patent document 1 is provided with the cart main body in which a several tray is accommodated, and the box body in which a cart main body is accommodated.

JP 2011-67288 A

In the storage, condensation may occur due to a temperature difference between the outside air and the storage room. In view of hygiene, it is preferable to suppress the occurrence of condensation, and there is room for improvement in this respect.
This invention is completed based on the above situations, Comprising: It aims at providing the storage which can suppress the situation where dew condensation generate | occur | produces.

  In order to solve the above problems, the present invention provides a cart including a cart body in which a tray is stored, a heat insulating box having a storage chamber capable of storing the cart body, and hot air or cold air in the storage chamber. And a blower capable of blowing at least one of the cart body, wherein a bottom portion of the cart body is provided with a leg portion that supports the cart body, and the bottom portion of the cart body is the heat insulating box. The leg portion is disposed below the bottom wall through a notch formed through the bottom wall of the heat insulation box. An air supply path that allows the air blown from the blower to be supplied to the storage chamber is provided inside the side wall of the heat insulation box, and the gap and the air supply path are provided on the side wall. A communication hole is formed to communicate with Characterized in that the are.

  In this invention, the clearance gap is formed between the bottom part of a cart main body, and the bottom wall of a heat insulation box, and the notch part for the leg part of a cart to penetrate is formed in the bottom wall of a heat insulation box. For this reason, there is a concern that air outside the heat insulation box may enter the gap through the notch. When outside air enters the gap, a temperature difference is generated between the inside of the storage chamber (and hence the bottom of the cart body accommodated in the storage chamber) and the air in the gap, for example, on the bottom surface of the bottom of the cart body. There is concern about the occurrence of condensation. Therefore, in the present invention, the gap and the air supply path are communicated with each other through the communication hole. In this way, a part of the air in the air supply path (air having the same temperature as the air blown into the storage chamber) is sent to the gap. Thereby, the temperature difference between the air in the storage chamber and the air in the gap can be reduced, and the occurrence of condensation can be suppressed.

  The leg portion includes a caster and a connecting member that connects the caster and the bottom portion and penetrates the notch portion, and the connecting member includes a pair of vertically extending portions extending in a vertical direction. A horizontal extension part extending in the horizontal direction and connecting the pair of vertical extension parts, and a first space communicating with the gap is formed between the horizontal extension part and the bottom part. Can be.

  In the present invention, the first space is formed between the horizontally extending portion and the bottom portion. If it does in this way, the air of the air supply path sent to the said clearance gap can pass 1st space. As a result, the air flow is not obstructed by the horizontal extending portion, and the air can be sent over the entire gap.

  Further, the wall portion constituting the storage space in the station includes a station having a storage space capable of storing the heat insulation box in a state of storing the cart body, the station provided with the blower device, The accommodation space side air blower which can blow air between the opposing surface with the said heat insulation box in the said wall part and the outer surface of the said heat insulation box shall be attached. If it is set as such a structure, it can ventilate to the outer surface of a heat insulation box, and can suppress the situation where dew condensation arises on the said outer surface.

  In addition, the station connects an opening that allows the heat insulation box to be inserted into the housing space, a pair of station side walls, and ends of the pair of station side walls that are far from the opening. A back wall portion of the station, and the housing space side air blower has a ventilation path extending in a vertical direction, and is attached to a corner portion constituted by one of the pair of station side wall portions and the back wall portion of the station. A duct member, and a fan attached to one end portion in the vertical direction of the duct member, wherein the duct member is formed with a plurality of through holes communicating with the air passage and the accommodating space, The plurality of through holes are composed of a plurality of first through holes arranged in the vertical direction and a plurality of second through holes arranged in parallel with the plurality of first through holes. The plurality of first through holes are arranged closer to the heat insulation box than the plurality of second through holes, and the number of the first through holes is larger than the number of the second through holes. It can be many.

  By increasing the number of first through holes arranged on the side closer to the heat insulation box compared to the number of second through holes, more air can be blown to the outer surface of the heat insulation box. It is possible to more reliably suppress the occurrence of condensation.

  According to the present invention, it is possible to provide a storage that can suppress the occurrence of condensation.

1 is an exploded perspective view showing a refrigeration apparatus according to an embodiment of the present invention. The perspective view which shows the refrigeration / heating apparatus of FIG. Sectional view (front view) showing refrigeration equipment The figure which expands and shows the heat insulation box bottom wall vicinity in FIG. View of the side wall of the heat insulation box from the inner side Front view showing cart legs Sectional drawing which shows the leg part of a cart (corresponding to the figure cut | disconnected by the VII-VII line of FIG. 6) Front view showing the station Perspective view showing duct member Sectional drawing which shows a refrigerator-freezer (corresponding to the figure cut | disconnected by the XX line of FIG. 8) The figure which expands and shows the ventilation apparatus vicinity in FIG.

  An embodiment of the present invention will be described with reference to FIGS. In this embodiment, the cold storage apparatus 13 is illustrated as a storehouse for storing foodstuffs. As shown in FIGS. 1 and 2, the refrigeration / heating apparatus 13 includes a cart 30 that stores the tray 80, a heat insulating box 20 that stores the cart 30 in a removable manner, and a station 70 that stores the heat insulating box 20 in a removable manner. It is equipped with. In this embodiment, the direction in which the cart 30 or the heat insulation box 20 is taken out from the station 70 is the front, the direction in which the cart 30 or the heat insulation box 20 is inserted into the station 70 is the rear, and the direction that intersects the front-rear direction horizontally. The direction perpendicular to the left-right direction and the front-rear direction is defined as the up-down direction.

  As shown in FIG. 1, the cart 30 (frame cart) includes a cart main body 34 in which the tray 80 is stored, and leg portions 35 that are provided at the bottom of the cart main body 34 and support the cart main body 34. . The cart body 34 includes a bottom plate 33 (bottom portion), metal frames 31 that rise from the left and right side edges of the bottom plate 33, and a partition wall 40 that rises from a substantially central portion of the bottom plate 33 in the left-right direction. . The leg portion 35 includes a caster 32. Thereby, the cart 30 can be moved. The partition wall 40 is configured by stacking a plurality of unit partition walls that are long in the front-rear direction.

  A storage chamber 26 is formed inside the heat insulating box 20. The storage chamber 26 is open on both front and rear sides, and a double-spread type heat insulating door 21 is attached to each opening. The storage chamber 26 can be closed by closing the front and rear heat insulating doors 21. The storage chamber 26 can accommodate the cart body 34. Thereby, the cart 30 and the heat insulation box 20 can be used integrally as a layout vehicle. A caster 22 is provided on the bottom surface of the heat insulation box 20. Thereby, the user can move the heat insulation box 20 while holding the handle 25 provided on the front surface of the heat insulation box 20.

  As shown in FIG. 2, in a state where the cart 30 is housed in the heat insulation box 20, the storage chamber 26 is divided into left and right by the partition wall 40. As a result, the warm room 11 is formed on the left side of the partition wall 40 and the cold room 12 is formed on the right side. Warm air or cold air generated on the station 70 side is circulated and supplied to the warm room 11, and cold air generated on the station 70 side is circulated and supplied to the cold room 12. As shown in FIG. 2, the tray 80 has a configuration in which one side in the left-right direction is arranged in the warming chamber 11 and the other side is arranged in the refrigerating chamber 12.

  As shown in FIG. 1, the station 70 has a substantially box shape having an accommodation space S <b> 1 whose front and bottom surfaces are opened, and the accommodation space S <b> 1 is a heat insulating box in which the cart 30 is accommodated through the front opening. 20 can be taken in and out. In the upper part of the station 70, as shown in FIG. 3, two heat exchange chambers 71 and 72 are partitioned and formed side by side in the horizontal direction. The first heat exchange chamber 71 (the heat exchange chamber on the left side when viewed from the front) disposed above the warming chamber 11 is provided with cooling means including a cooler 71A and heating means including a heater 71B. Only the cooling means including the cooler 72A is provided in the second heat exchange chamber 72 (the heat exchange chamber on the right side when viewed from the front) disposed above. The heat exchange chambers 71 and 72 are provided with fans 71C and 72C, respectively.

  The cooler 71A, the heater 71B, and the fan 71C constitute a blower (a blower on the warming room side) that can blow hot air or cold air to the warming chamber 11, and the cooler 72A and the fan 72C are cold-cooled. The chamber 12 is configured to constitute a blower that can blow cool air (a blower on the refrigerator compartment side).

  An introduction port 73 is provided at the bottom of the first heat exchange chamber 71 and the bottom of the second heat exchange chamber 72, respectively. Correspondingly, a suction port 24 is formed in the central portion of the ceiling wall of the heat insulation box 20 so as to communicate with the warm storage room 11 or the cold storage room 12 individually. Each introduction passage 73 is arranged above the suction passage 24 of the warming chamber 11 and the suction passage 24 of the refrigerator compartment 12. Each introduction port 73 is connected to the corresponding suction port 24.

  In addition, strip-shaped outlets 74 are provided at the bottom of the first heat exchange chamber 71 and the bottom of the second heat exchange chamber 72, respectively. Correspondingly, blowout openings 23 that are elongated in the front-rear direction are formed in the left and right side edges of the ceiling wall of the heat insulation box 20. Each outlet 74 is connected to the outlet 23 of the warm room 11 and the outlet 23 of the refrigerator 12.

  On the other hand, inside the left and right side walls 20A, 20B of the heat insulation box 20, air supply paths L1, L2 are formed over substantially the entire surface. The air supply path L1 communicates with the blowout opening 23 on the warming chamber 11 side at the upper end. In addition, the air supply path L2 communicates with the air outlet 23 on the refrigerator compartment 12 side at the upper end.

  A plurality of blowout holes 27 are formed in the side walls 20A and 20B. Each blowout hole 27 is in communication with each of the air supply paths L1 and L2. Thereby, warm air or cold air is blown out from the air supply passages L1 and L2 through the blowout holes 27 to the warming room 11 and the refrigerating room 12, respectively. With the above configuration, when the cart 30 and the heat insulating box 20 are stored in the station 70 and the corresponding openings are connected to each other, the second heat exchange is performed between the first heat exchange chamber 71 and the warming chamber 11. An air circulation path is formed between the chamber 72 and the refrigerator compartment 12.

  Next, the structure of the leg part 35 of the cart 30 and the bottom part vicinity of the heat insulation box 20 is demonstrated. As shown in FIGS. 6 and 7, the leg portion 35 of the cart 30 includes a plurality of casters 32 and a connecting member 39 that connects each caster 32 and the bottom plate 33. The connecting member 39 is, for example, a metal frame member, and a pair of vertical extending portions 37 and 37 extending in the vertical direction and a pair of vertical extending portions 37 and 37 extending in the horizontal direction (front-rear direction). A horizontally extending portion 38 to be connected.

  As shown in FIG. 1, a notch 28 is formed through the bottom wall 20 </ b> D of the heat insulation box 20. The notch 28 is opened forward. Thus, when the cart body 34 is accommodated in the storage chamber 26 from the front, the pair of vertical extending portions 37 and 37 and the horizontal extending portion 38 of the cart 30 are inserted into the notch portion 28 from the front. Is possible. In addition, a pair of vertical extension parts 37 and 37, the horizontal extension part 38, and the notch part 28 are provided in a pair in the left-right direction. As a result, in the state where the cart body 34 is housed in the storage chamber 26, as shown in FIG. 3, the vertically extending portion 37 and the horizontally extending portion 38 pass through the notch portion 28, and a part of the leg portion 35 (caster). 22 and the attachment portion 36) are exposed below the bottom wall 20D.

  Further, as shown in FIG. 4, the bottom plate 33 of the cart main body 34 is disposed above the bottom wall 20D of the heat insulating box 20, and is disposed with a gap S2 between the bottom wall 20D and the bottom wall 20D. The cutout portion 28 has a rectangular shape that is long in the front-rear direction in plan view, and the horizontal extending portion 38 has a square shape that is slightly smaller than the cutout portion 28 in plan view. For this reason, the horizontally extending portion 38 has a shape that can be fitted into the cutout portion 28. As shown in FIG. 4, a slight gap is formed between the outer surface of the horizontally extending portion 38 and the inner surface of the cutout portion 28. For this reason, the gap S <b> 2 communicates with the external space of the heat insulating box 20 through the notch 28. Further, the horizontal extending portion 38 is disposed with a first space S3 between the bottom plate 33 and the horizontal extending portion 38. The first space S3 is in communication with the gap S2.

  As shown in FIG. 4, in the side wall 20 </ b> B of the heat insulating box 20, a communication hole 29 that connects the gap S <b> 2 and the air supply path L <b> 2 is formed at the same height as the gap S <b> 2. As shown in FIG. 4, the side wall 20B includes an inner wall portion 20B1 and an outer wall portion 20B2, and the air supply path L2 is formed between the wall portion 20B1 and the wall portion 20B2. . The communication hole 29 is formed through the lower end portion of the wall portion 20B1. The blowout hole 27 is formed through the wall portion 20 </ b> B <b> 1 and is disposed above the communication hole 29. As shown in FIG. 5, the communication holes 29 have a shape that is long in the front-rear direction (left-right direction in FIG. 5), and are formed at two locations in the front-rear direction (left-right direction in FIG. 5). The communication hole 29 is also formed on the side wall 20A side.

  Next, the air blower 60 (accommodation space side air blower) provided in the accommodation space S1 of the station 70 will be described. As shown in FIGS. 1 and 8, the blower 60 is provided on the back side of the accommodation space S <b> 1 of the station 70. The station 70 includes a pair of side wall portions 75 and 75 and a back wall portion 76. The accommodation space S1 is configured by the pair of side wall portions 75 and 75 (station side wall portion) and the back wall portion 76 (station back wall portion). Has been.

  In other words, the station 70 has an opening 77 that opens forward (an opening that allows the heat insulation box 20 to be inserted into the accommodation space S1), and the back wall 76 is formed in the pair of side walls 75 and 75. The rear ends (ends far from the opening 77) are connected to each other. As shown in FIG. 8, the blower 60 includes a duct member 61 that is long in the vertical direction, and a fan 62 that is attached to the lower end of the duct member 61. As shown in FIG. 10, the air blower 60 (duct member 61) is provided at each of the corner portions constituted by the back wall portion 76 and the side wall portions 75.

  As shown in FIGS. 9 and 11, the duct member 61 has a substantially box shape in which the side of the back wall portion 76 and the side wall portion 75 is opened, and an air passage S <b> 4 extending in the vertical direction is formed inside the duct member 61. Yes. The fan 62 is configured to be able to blow air into the air passage S4. Further, a plurality of through holes 63A and 63B are formed through the pair of side wall portions 63 and 63 constituting the duct member 61, respectively. As shown in FIG. 11, the through holes 63 </ b> A and 63 </ b> B are configured to communicate the air passage S <b> 4 and the accommodation space S <b> 1 and serve as blowout holes for blowing the air in the air passage S <b> 4 to the accommodation space S <b> 1. The duct member 61 is attached to the back wall portion 76 and the side wall portion 75, and the air passage S <b> 4 becomes a closed space by being surrounded by the duct member 61, the back wall portion 76, and the side wall portion 75.

  Thereby, by driving the fan 62, air can be blown into the accommodation space S1 through the blower passage S4 and the through holes 63A and 63B. As shown in FIG. 10, the heat insulation box 20 is accommodated in the accommodation space S <b> 1 so as to leave a gap between the side wall portions 75, 75 and the back wall portion 76. For this reason, as shown in FIG. 11, the air blown out from each through-hole 63A, 63B is between the inner surface 76A of the back wall portion 76 and the outer surface 20E1 of the heat insulation box 20, and the inner surface 75A (heat insulation) of the side wall portion 75. The air is sent between the surface facing the box and the outer surface 20E2 of the heat insulation box 20 (the flow of air is indicated by an arrow W1).

  The through-hole 63A (first through-hole) and the through-hole 63B (second through-hole) each have a longitudinal shape and the same shape. As shown in FIG. 9, a plurality of through holes 63A are arranged in the vertical direction. On the other hand, a plurality of through holes 63B are arranged in the vertical direction. That is, the plurality of through holes 63B are arranged in parallel with the plurality of through holes 63A. The plurality of through holes 63A are arranged on the side closer to the heat insulating box 20 with respect to the plurality of through holes 63B. Further, the number of through holes 63A is larger than the number of through holes 63B. In other words, the arrangement density of the through holes 63A is set larger than that of the through holes 63B. In the present embodiment, the through hole 63A and the through hole 63B are formed in the respective side wall parts 63 and 63 of the duct member 61, but may be formed only in one of the side wall parts 63.

  Next, the usage example of the refrigerator-freezer of this embodiment is demonstrated. First, cooked hot and cold foods are chilled in a prefabricated refrigerator or the like. Next, hot and cold foods taken out from the prefabricated refrigerator or the like in the next morning or the like are placed on the tray 80, and each tray 80 is stored in a plurality of stages across the warming room 11 and the refrigerating room 12 of the cart 30. And the heat insulation box 20 is put in the station 70 and chilled. When the cart 30 and the heat insulation box 20 are placed in the station 70, both the cooling units of the heat exchange chambers 71 and 72 are initially operated, and cold air is circulated and supplied to the warming room 11 and the refrigerating room 12 together. Thus, both hot and cold foods placed on the tray 80 are chilled.

  When the predetermined time has elapsed, the first heat exchange chamber 71 is switched from the cooling means to the heating means by the operation of the timer provided in the station 70. On the other hand, in the second heat exchange chamber 72, the state where the cooling means is continuously operated is maintained. As a result, the hot food stored in the chilled state is reheated by circulating the warm air in the warm room 11, while the cold food is stored in the cold room 12 at the internal temperature at which the cold food is set. When the serving time is reached, the cart 30 and the heat insulating box 20 are pulled out from the station 70, and the tray 80 is taken out for serving.

  Next, the effect of this embodiment will be described. In the present embodiment, a gap S <b> 2 is formed between the bottom plate 33 of the cart body 34 and the bottom wall 20 </ b> D of the heat insulation box 20, and the legs 35 of the cart 30 penetrate through the bottom wall 20 </ b> D of the heat insulation box 20. A notch 28 is formed. For this reason, there is a concern that air outside the heat insulation box 20 may enter the gap S2 through the notch 28. When outside air enters the gap S2, a temperature difference is generated between the inside of the storage chamber 26 (and eventually the bottom plate 33 of the cart body 34 accommodated in the storage chamber 26) and the air in the gap S2, for example, There is concern about the occurrence of condensation on the lower surface of the bottom plate 33 of the main body 34. Therefore, in this embodiment, the gap S <b> 2 and the air supply path L <b> 2 are connected via the communication hole 29. In this way, a part of the air in the air supply path L2 (air having the same temperature as the air blown into the storage chamber) is sent to the gap S2. Thereby, the temperature difference between the air in the storage chamber 26 and the air in the gap S2 can be reduced, and the occurrence of condensation can be suppressed.

  The leg portion 35 includes a caster 32, a pair of vertically extending portions 37 that connect the casters 32 and the bottom plate 33, and a horizontally extending portion 38 that extends in the horizontal direction and connects the pair of vertically extending portions 37 to each other. The horizontal extending portion 38 is fitted into the cutout portion 28, and a first space S3 communicating with the gap S2 is formed between the horizontal extending portion 38 and the bottom plate 33. .

  By fitting the horizontally extending portion 38 into the notched portion 28, a part of the notched portion 28 can be blocked by the horizontally extending portion 38. Thereby, the situation where the air outside the heat insulation box 20 enters the gap S <b> 2 through the notch 28 can be suppressed. A first space S <b> 3 is formed between the horizontal extending portion 38 and the bottom plate 33. If it does in this way, the air of the air supply path L2 sent to the said clearance gap S2 is not obstruct | occluded by the horizontal extension part 38, but can send air over the whole area of the said clearance gap S2.

  The leg portion 35 includes a caster 32 and a connecting member 39 that connects the caster 32 and the bottom plate 33 and penetrates the notch 28. The connecting member 39 includes a pair of vertically extending members extending in the vertical direction. Portions 37, 37 and a horizontal extending portion 38 that extends in the horizontal direction and connects the pair of vertically extending portions 37, 37, and a gap S2 is provided between the horizontal extending portion 38 and the bottom plate 33. A first space S3 that is communicated is formed.

  In the present embodiment, by fitting the horizontally extending portion 38 to the notch portion 28, it is possible to suppress a situation in which external air enters the heat insulating box 20 through the notch portion 28. A first space S <b> 3 is formed between the horizontal extending portion 38 and the bottom plate 33. If it does in this way, the air of the air supply path L2 (or L1) sent to the said clearance gap S2 can pass 1st space S3. As a result, the air flow is not obstructed by the horizontal extending portion 38, and the air can be sent over the entire gap S2.

  Further, the wall portion constituting the housing space S1 is provided with a station 70 having a housing space S1 in which the heat insulating box 20 in a state in which the cart main body 34 is housed can be accommodated and provided with a blower device. A blower 60 capable of blowing air is provided between a surface facing the heat insulation box 20 and an outer surface of the heat insulation box 20. If it is set as such a structure, it can ventilate to the outer surface of the heat insulation box 20, and the situation where dew condensation arises on the said outer surface can be suppressed.

  Further, the station 70 connects the ends 77 far from the opening 77 in the opening 77, the pair of side walls 75, and the pair of side walls 75 that allow the heat insulation box 20 to be inserted into the accommodation space S1. And the blower device 60 has an air passage S4 extending in the vertical direction, and is attached to a corner portion constituted by one of the pair of side wall portions 75 and the back wall portion 76. 61 and a fan 62 attached to one end of the duct member 61 in the vertical direction. The duct member 61 is formed with a plurality of through-holes communicating with the air passage S4 and the accommodating space S1. The through-hole is composed of a plurality of through-holes 63A arranged in the vertical direction and a plurality of through-holes 63B arranged in parallel with the plurality of through-holes 63A. Respect, is arranged closer to the insulating box 20, the number of through holes 63A is assumed larger than the number of the through holes 63B.

  By increasing the number of through holes 63A arranged on the side closer to the heat insulating box 20 as compared with the number of through holes 63B, the amount of air blown out from each through hole 63A increases, and the outer surface of the heat insulating box 20 A lot of air can be blown. For this reason, the situation where dew condensation occurs on the outer surface of the heat insulation box 20 can be more reliably suppressed. Moreover, the air blower 60 is distribute | arranged to the edge part on the side far from the opening part 77 in accommodation space S1. A location far from the opening 77 in the accommodation space S1 is less likely to move air and increase moisture. Providing the air blower 60 in such a location is preferable because air containing a lot of moisture can be exhausted to the outside.

<Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention.
(1) In the said embodiment, although the cold storage apparatus 13 provided with the refrigerator compartment 11 and the refrigerator compartment 12 was illustrated, it is not limited to this. It may be a storage provided with at least one of the warm room 11 or the cold room 12.
(2) The structure of the leg part 35 is not limited to what was illustrated by the said embodiment, It can change suitably.
(3) In the above embodiment, the configuration in which the station 70 is provided with the blower (fan, cooler, heater) is illustrated, but the present invention is not limited to this. For example, the air blower may be provided on the heat insulating box 20 side.

DESCRIPTION OF SYMBOLS 13 ... Cold storage apparatus (storage), 20 ... Heat insulation box, 20A, 20B ... Side wall of heat insulation box, 20D ... Bottom wall of heat insulation box, 26 ... Storage room, 28 ... Notch part, 29 ... Communication hole, 30 ... Cart, 32 ... Casters, 33 ... Bottom plate (bottom part of cart body), 34 ... Cart body, 35 ... Legs, 37 ... Vertically extending part, 38 ... Horizontally extending part, 39 ... Connecting member, 60 ... Blower (accommodating space) Side air blower), 61 ... duct member, 62 ... fan, 63A ... through hole (first through hole), 63B ... through hole (second through hole), 70 ... station, 71A, 72A ... cooler (with blower device) Configuration), 71B ... Heater (composing the blower), 71C, 72C ... Fan (composing the blower), 75 ... Side wall (station side wall), 76 ... Back wall (station back wall), 77 ... Opening Part, 80 ... tray, S1 ... accommodation space, S ... clearance, S3 ... first space, S4 ... air passage, L1, L2 ... air supply passage

Claims (3)

A cart including a cart body in which a tray is stored, a heat insulating box having a storage chamber capable of storing the cart body, and a blower capable of blowing at least one of hot air and cold air into the storage chamber; A storage comprising
The bottom of the cart body is provided with legs that support the cart body,
The bottom portion of the cart body is disposed above the bottom wall of the heat insulation box and is disposed with a gap between the bottom wall and the cart body.
The leg part is exposed below the bottom wall through a notch formed through the bottom wall of the heat insulation box.
In the inside of the side wall of the heat insulation box, an air supply path that can supply air blown from the blower to the storage chamber is provided,
The side wall is formed with a communication hole that communicates the gap and the air supply path ,
It has a box shape having an accommodation space that can accommodate the heat insulation box in a state where the cart body is accommodated, and includes a station provided with the blower.
An accommodation space side air blower capable of blowing air is attached to a wall portion constituting the accommodation space in the station between an opposing surface of the wall portion to the heat insulation box and an outer surface of the heat insulation box. Storage. The station
An opening that allows the heat insulation box to be inserted into the accommodation space;
A pair of station sidewalls;
A station back wall portion that connects end portions on the side far from the opening in the pair of station side wall portions, and
The housing space side blower is
A duct member that has an air passage extending in the vertical direction and is attached to a corner portion constituted by one of the pair of station side wall portions and the station back wall portion;
A fan attached to one end of the duct member in the vertical direction,
The duct member is formed with a plurality of through-holes penetrating the air passage and the accommodation space,
The plurality of through holes are:
A plurality of first through holes arranged in a vertical direction;
It is composed of a plurality of second through holes arranged in parallel with the plurality of first through holes,
The plurality of first through holes are arranged closer to the heat insulation box than the plurality of second through holes,
The storage according to claim 1 , wherein the number of the first through holes is larger than the number of the second through holes . The legs are
Casters,
A connecting member that connects the caster and the bottom and penetrates the notch,
The connecting member is
A pair of vertically extending portions extending in the vertical direction;
A horizontal extension part extending in the horizontal direction and connecting the pair of vertical extension parts to each other;
The storage according to claim 1 or 2 , wherein a first space communicating with the gap is formed between the horizontal extending portion and the bottom portion .

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