JP2538312Y2 - Food tray storage - Google Patents

Description

[Detailed description of the invention] [Industrial applications]

The present invention relates to a food tray storage for storing various food trays on which food such as a serving tray is placed.

[Prior art]

As one type of food tray storage for storing food trays such as serving trays, food trays are arranged in four stages in the vertical direction at four corners of a cubic storage room formed in a box-shaped storage body. There is a food tray storage in which a cross-shaped passage is formed between the food trays in plan view,
A serving car provided with a serving tray storage as an example of the food tray housing is disclosed in Japanese Utility Model Laid-Open No. 63-181330.

[Problems to be solved by the invention]

By the way, in the serving car disclosed in the above-mentioned publication, a supply port and a discharge port are provided on the upper wall forming the storage chamber corresponding to both ends of one of the straight passages in the cross-shaped passage. Vertical ventilation ducts for ventilation are provided from the ceiling to the bottom corresponding to the outlets. Therefore, not only does the effective space in the storage room be narrowed by the vertical ventilation ducts for both ventilations, but also the air flowing from the supply port to the discharge port flows from the vertical ventilation duct on the supply port side to the vertical ventilation duct on the exhaust port side. The air flows in a straight line in the gallery duct, and there is a large area in which no air flows in the storage room, and the temperature distribution in the storage room cannot be made uniform. The present invention has been made to address the above-mentioned problem, and has as its object to make the temperature distribution in the storage room uniform without obstructing the effective space in the storage room.

[Means for Solving the Problems]

In order to achieve the above object, in the present invention,
In the food tray storage of the type described above, a pair of supply ports are provided on an upper wall (or a lower wall) forming the storage chamber corresponding to both ends of one of the straight passages in the cross passage, and the cross is provided. A pair of outlets was provided corresponding to both ends of the other straight passage in the open passage, and a blower fan for flowing air from the supply inlet toward the outlet was provided. In this case, the supply port and the discharge port communicate with each other via a communication space formed above (or below the lower wall) forming the storage chamber, and a heat exchanger is arranged in the communication space. It is possible to provide a blower cylinder projecting a predetermined amount into the storage chamber at the supply port.

[Functions and effects of the invention]

In the present invention, the air flowing into the storage chamber from both supply ports is sequentially diffused in the process of flowing toward the lower wall (or the upper wall) at both ends of one of the linear passages, and the air flows into the one of the linear passages. It flows into the space formed between the food trays arranged in multiple stages at both ends, flows further along each food tray toward the other linear passage, and is provided on both sides of the other linear passage. To both outlets. Therefore, the air flowing from both supply ports to both discharge ports is evenly distributed throughout the storage chamber, and the temperature distribution in the storage chamber is made substantially uniform. In addition, the food trays arranged in multiple stages in the storage room are effectively used as guides for guiding the air flow, and can be implemented without disposing the conventional ducts in the storage room. The space can be used effectively. In the present invention, the supply port and the discharge port are communicated through a communication space formed above (or below) the upper wall forming the storage chamber, and a heat exchanger is arranged in the communication space. With this arrangement, the storage room can be a refrigerator room or a warm room having a uniform temperature distribution. Further, in the present invention, by installing a blower cylinder projecting a predetermined amount into the storage chamber at the supply port, it is possible to optimally set the distribution of air in the storage chamber and to optimize the temperature distribution in the storage chamber. Can be.

【Example】

An embodiment of the present invention will be described below with reference to the drawings. FIGS. 1 to 3 show a serving truck integrally provided with a food tray storage according to the present invention. The serving truck is a serving truck for cooling and heating, and the serving main body 10 has casters 11. Chassis
12, a box 13 standing on the chassis 12, and a plurality of doors 14a to 14d for opening and closing the front and rear openings 13a, 13b of the box 13. The box body 13 is formed by upper and lower walls and left and right walls, and has openings 13a and 13b on both front and rear sides, and has both openings 13a and 13b.
A pair of columns 15a, 15b are provided upright at the left and right central portions to connect the upper and lower walls. One side edge of each of the doors 14a to 14d is attached to each of the side walls of each of the openings 13a and 13b and any of the columns 15a and 15b so as to be rotatable in the front-rear direction. Each opening 13a, 13b can be opened and closed. A pair of right and left upright walls 20a, 20b are erected within the box 13, and the inside of the box 13 is occupied by the upright walls 20a, 20b in the left and right side storage compartments R1 and the central refrigeration compartment. R2, the warming room R1 and the cold room R2 are both formed in a cubic shape. Each of the upright walls 20a and 20b has the same configuration, and includes a column 21 and a number of partition members 22. As shown in FIGS. 2 to 5, each support 21 is made up of two left and right plate members 21a and 21b, and each plate member 21a and 21b is a portion approximately 1/4 inward from each of the left and right sides of the box 13. At the center in the front-rear direction, the upper end is supported on the upper wall of the box body 13 via a resin bracket 29a, and the lower end is supported on the lower wall of the chassis 12 via a resin bracket 29b. Has been established. Further, the respective plate members 21a, 21b stand upright facing each other while maintaining a predetermined interval A in the left-right direction.
The same interval A is covered by a plurality of partition members 22. On each of these plate members 21a and 21b, a large number of mounting portions 21c projecting toward one opening 13a side at predetermined intervals in the vertical direction and a large number of mounting portions 21d projecting toward the other opening 13b side are provided on the plate surface. The partition members 22 are integrally formed along the respective sides, and the respective partition members 22 are mounted using the respective mounting portions 21c and 21d. As shown in FIGS. 4 to 6 and 9, each partition member 22 includes an upright wall portion 22a and a flat support portion 22b. These two portions 22a and 22b are hollow members integrally formed of resin, and the upright wall portion 22a has a predetermined length in the up-down direction and the front-rear direction, the upper end and the front end are closed, and the lower end and the rear end. Is open. The upper end surface 22c of the upright wall 22a is formed as a flat surface having a predetermined width (substantially the same width as the column 21) in the left-right direction. The support portion 22b is located at a position slightly below the upper end surface 22c on each of the left and right sides of the upright wall portion 22a, and has a predetermined length in the left-right direction and the front-back direction. Such a partition member
In FIG. 22, the rear end opening of the upright wall portion 22a is
a, 21b is fitted and screwed to both mounting portions 21c or 21d, and in this state, a large number of partition members 22 are arranged in series in the vertical direction, and each opening 13a, 13b. As shown in FIGS. 4 and 6, the partition member 22 is provided with a guide mechanism 23 for the tray at the lower end of the holding member 22d disposed in the upright wall 22a. Guide mechanism 23
The movable case 23a is vertically movably mounted on the side wall of the holding member 22d and the upright wall portion 22a within the holding member 22d having a U-shaped cross section, and is rotated at the front and rear ends of the case 23a. Endless belt 2 suspended on a pair of rollers 23b supported as possible
3c and a leaf spring 23d interposed between the holding member 22d and the movable case 23a to urge the case 23a downward. The endless belt 23c is made of a flexible and smooth synthetic resin, and the lower surface of the endless belt 23c is a leaf spring 23d.
Of the partition member 22 attached below, the upper end surface 22c of the upright wall portion 22a of the partition member 22 is resiliently brought into contact with the upright wall portion 22a.
A slit formed between the upper and lower ends of 22a resiliently blocks the communication between the warming room R1 and the cold room R2, and can be opened and closed between the upper end surface 22c and the endless belt 23c. An insertion passage is formed. In this state, the inside of each partition member 22 and the inside of the support column 21 communicate with each other, and the storage room R1
And a refrigeration compartment R2 to form an insulated air layer. The upper end of each of the partition members 22 constituting the upright walls 20a and 20b is obtained by cutting a substantially upper half of the partition member 22 as shown in FIG. As shown in the figure, the lower half of the partition member 22 is cut, and the cut partition member at the upper end is a ceiling plate attached to the upper wall of the box 13 using the mounting bracket 24a (to the side of the storage room R1). The one provided and the one provided on the refrigerator compartment R2 side are configured separately, and a slit is formed between the two, and the cutting partition member at the lower end is provided with a mounting bracket 24b.
A floor plate attached to the lower wall of the box 13 using the
The one provided on the side and the one provided on the refrigerator compartment R2 side are configured separately, and are fixed to each other (a slit is formed between both). In the serving truck having such a configuration, each opening 13
Food trays 31 to 3
4 can be stored in the box 13 and taken out of the box 13, and the refrigerator compartment R2 is a common refrigerator compartment for both trays 31, 32 and 33, 34. Each of the trays 31 to 34 is a serving tray. As shown in FIGS. 1, 2, and 9, the trays 31 to 34 are partitioned by partitioning portions 31a to 34a extending in the left-right direction and in the front-rear direction at the center in the same direction. First recesses 31b-34b and second recesses
31c to 34c are provided. Tray 31-used in this example
In 34, the food for refrigeration is placed in the first recesses 31b to 34b, and the food for refrigeration is placed in the second recesses 31c to 34c.
Thus, in the serving car, each tray 31 to 34 is inserted into the insertion passage between the upper end surface 22c of the upright wall portion 22a and the endless belt 23c in each partition member 22 so that the trays 31 to 34 are moved. It can be stored in the box 13. Thus, in the present embodiment, as shown in FIGS. 10 to 12, the air heated by the electric heater 16a provided in the side wall of the box 13 is provided in each of the storage compartments R1. It is configured to be introduced through the louver 16b and discharged through the discharge port 16c provided in the upper wall of the box 13 and circulated by the blower fan 16d provided in the discharge port 16c, and disposed in each of the storage compartments R1. By controlling energization of the electric heater 16a by a temperature sensor (not shown), the inside of each of the storage chambers R1 is maintained at a set temperature. On the other hand, in the refrigerator compartment R2, air cooled by a pair of coolers (evaporators) 17a provided in a communication space S formed above the upper wall of the box 13 is supplied with a pair of supply air provided on the upper wall of the box 13. Mouth 17
b and a blower fan provided at each of the outlets 17d, which is introduced through a blower cylinder 17c attached thereto and protruding a predetermined amount into the refrigerator compartment R2 and discharged through a pair of outlets 17d provided on the upper wall of the box 13. The refrigerating unit R2 is configured to circulate at 17e, and controls the operation of a refrigerating unit 17f that circulates refrigerant to both the coolers 17a by a temperature sensor (not shown) disposed in the refrigerating room R2. The inside is maintained at a set temperature. By the way, in the present embodiment, each tray 31 is viewed in plan.
A pair of supply ports 17b are provided corresponding to both ends of one of the linear passages Pa in the cross-shaped passage P formed between the cross-shaped passage P and the other linear passage Pb in the cross-shaped passage P.
Since a pair of outlets 17d are provided corresponding to both ends of the refrigeration chamber R2, the air flowing into the refrigerator compartment R2 from both the supply ports 17b is
A space formed between the trays 31 to 34 that are sequentially diffused in the course of flowing toward the lower wall at both ends of one of the straight passages Pa and are arranged in multiple stages at both ends of the one straight passage Pa. And further flows along the trays 31 to 34 toward the other straight passage Pb as shown by the broken line in FIG. 11, and the two drains provided on both sides of the other straight passage Pb. Guided to exit 17d. Therefore, both supply ports 17b and both discharge ports 17d
The air flowing through the refrigerator compartment R2 is uniformly dispersed throughout the refrigerator compartment R2, and the temperature distribution in the refrigerator compartment R2 is made substantially uniform. In addition, the trays 31 to 34 provided in multiple stages in the refrigerator compartment R2 are effectively used as guides for guiding the air flow, without having to arrange a conventional duct in the refrigerator compartment R2. Can be implemented, refrigerator room
The space in R2 can be used effectively. Further, in the present embodiment, since the blower cylinder 17c projecting a predetermined amount into the refrigerator compartment R2 is attached to the supply port 17b,
Optimum setting of air distribution in refrigerator compartment R2 (for example,
By increasing the length of the blower cylinder 17c, the amount of air flowing downward can be increased and the temperature distribution below can be reduced.
The temperature distribution in R2 can be optimized. In the above embodiment, the present invention was implemented by providing a pair of supply ports 17b and a pair of discharge ports 17d and the like on the upper wall of the box 13, but the pair of supply ports 17b was provided on the lower wall of the box 13. A pair of outlets 1
It is also possible to implement the present invention by providing 7d or the like. In the above embodiment, the refrigeration compartment is located at the center of the inside of the box 13.
The present invention was implemented in the refrigerator compartment of the serving car where R2 is formed,
In the present invention, food trays are arranged in multiple stages in the vertical direction at four corners of a cubic storage room formed in a box-shaped storage body, and a cross-shaped passage is formed between these food trays in plan view. The storage room may be a refrigerator room or a warm room, or a room temperature room communicating with the atmosphere (in this case, the communication space and the heat exchanger may be used). It is not necessary).

[Brief description of the drawings]

FIG. 1 is a front view of a serving car according to an embodiment of the present invention in which a food tray storage is integrally provided, with a door omitted, FIG. 2 is a cross-sectional view taken along the line II-II of FIG. 1, and FIG. Side view of the serving car, 4th
Fig. 5 is a partial side view of an upright wall of the serving car, Fig. 5 is a plan view of a partition member constituting the upright wall, Fig. 6 is a longitudinal front view of the partition member, and Fig. 7 is an upper end of the partition member. 8 is a longitudinal sectional view showing a fixing structure of the lower end of the partition member, FIG. 9 is a front view showing a state in which a tray is inserted between the partition members, and FIG. FIG. 11 is a front view schematically showing the flow of air in the storage compartment and the refrigerator compartment, FIG. 11 is a sectional view taken along the line XI-XI of FIG. 10, and FIG. 12 is a sectional view taken along the line XII-XII of FIG. Description of the reference numeral 10: refrigerator main body, 31 to 34: tray, 17a: cooler (heat exchanger), 17b ... supply port, 17c ... blower cylinder, 17d ... discharge port, 17e ... blower fan , P ... Cross-shaped passage, Pa ...
One straight passage, Pb ... The other straight passage, R1, R2 ...
… Heating room, refrigeration room (storage room), S …… Communication space.

Claims (3)

(57) [Scope of request for utility model registration] 1. A food tray is provided at four corners of a cubic storage chamber formed in a box-shaped storage body in a vertical direction, and a cross-shaped passage is formed between the food trays in plan view. In the food tray storage to be formed, a pair of supply ports are provided on an upper wall or a lower wall forming the storage chamber corresponding to both ends of one of the straight passages in the cross passage, and the cross is provided. A food tray storage provided with a pair of outlets corresponding to both ends of the other linear passage in the open passage, and a blower fan for flowing air from the supply inlet toward the outlet. . 2. The apparatus according to claim 1, wherein said supply port and said discharge port communicate with each other through a communication space formed above an upper wall or below a lower wall forming said storage chamber, and a heat exchanger is provided in said communication space. The food tray storage according to claim 1, wherein the food tray storage is provided. 3. The food tray storage according to claim 1, wherein a blower cylinder projecting a predetermined amount into the storage chamber is attached to the supply port.