JPH04112332U - food tray storage - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a food tray storage in which cooling air passing through an air-cooled refrigeration unit is not blown onto the user's body. [Configuration] Chamber body 10 that accommodates food trays 31 to 34
The cooler 17a and the refrigerator compartment _R2 cooled by the cooler
The food tray storage is provided with a machine room _R3 which accommodates an air-cooled refrigeration unit 17f that circulates refrigerant to the cooler 17a above the storage body 10 and is formed by a circumferential plate 18a and a top plate 18b. In the warehouse, a vent 18b ₂ is provided on the top plate 18b, and the cooling air that has passed through the air-cooled refrigeration unit 17f is directed into the machine room R ₃ through the vent 18b _2.
A rectifier plate 19b was provided to guide the flow.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention is a food tray storage system that stores various food trays with food such as serving trays. Regarding storage.

0002

[Conventional technology]

Food tray storage is a type of food tray storage that stores food trays such as serving trays. The main body that houses the tray is equipped with a cooler and a refrigerator compartment that is cooled by the cooler. An air-cooled refrigeration unit that circulates and supplies refrigerant to the cooler is housed above the refrigerator body. Some machines have a machine room formed by a peripheral plate and a top plate. but Conventionally, this type of food tray storage has intake and exhaust vents on the surrounding plate. The cooling air that has passed through the air-cooled refrigeration unit is discharged to the side. It has become so.

0003

[Problem that the idea aims to solve]

For this reason, in conventional food tray storage, cooling air is blown onto the user's body. This may cause discomfort to the user. This invention was made to deal with the above-mentioned problems, and it provides cooling to the user's body. For the purpose of providing a food tray storage area that will not be blown by drafts. There is.

0004

[Means to solve the problem]

In order to achieve the above-mentioned purpose, in this invention, a storage for storing food trays is provided. The main body is equipped with a cooler and a refrigerating chamber cooled by the cooler, and the upper part of the refrigerator main body is A machine room housing an air-cooled refrigeration unit that circulates refrigerant to the cooler is located on a peripheral plate. In the food tray storage formed by a top plate and a top plate, the top plate A ventilation hole is provided in the machine room, and the cooling that has passed through the air-cooled refrigeration unit is A baffle plate was provided to guide the cooling air to the vent. In this case, the above-mentioned It is desirable to provide a bracket for removably fixedly supporting the food tray.

[0005]

[Actions and effects of the idea]

In this invention, the cooling air that has passed through the air-cooled refrigeration unit is passed through the current plate. It is guided precisely to the air vent and is discharged upward from the vent. Therefore, use The user's body is not blown with cooling air, which improves the usability of the food tray storage. can be improved. Also, the cooling air is not properly guided to the vents by the rectifying plate. As a result, even if the vents are made smaller, hot air does not get trapped in the machine room, and air-cooled refrigeration The opening area of the vent can be reduced without reducing the cooling capacity of the unit. This allows you to increase the strength of the top plate itself, and also allows you to store seasonings on the top plate. Space can be secured for placing dishes, pots, etc. In addition, this invention When implementing this, a bracket is installed on the top plate to removably fix and support the food tray. If the food tray is fixedly supported by the same bracket, do not place the seasoning container or pot on the food tray. etc., so that even if seasonings or tea spill, it will not be on the food tray. Therefore, it can be easily cleaned together with the food tray, making it extremely easy to use.

[0006]

【Example】

Embodiments of the present invention will be described below based on the drawings. Figures 1 to 3 are based on the present invention. The illustration shows a serving vehicle that is physically equipped with such a food tray storage compartment, and the serving vehicle is equipped with a cold and hot storage compartment. This is a serving truck for storage, and the storage body 10 has a chassis 12 with casters 11 and a chassis 12. Opening and closing the box 13 erected above and both front and rear openings 13a and 13b of the box 13 It is composed of a plurality of doors 14a to 14b.

[0007]The box body 13 is formed by upper and lower insulating walls 13c, 13d and left and right insulating side walls 13e, 13f, and has openings 13a, 13b on both the front and rear sides, with a hole in the left and right center of both openings 13a, 13b. A pair of support columns 15a and 15b are erected in the section to connect the upper and lower heat insulating walls 13c and 13d. The side edge of each door 14a to 14d is attached to either side wall 13e, 13f of each opening 13a, 13b, or each support column 15a, 15b so as to be rotatable in the front-rear direction. 14a to 14d allow openings 13a and 13b to be opened and closed. A pair of left and right standing walls 20a, 20b are provided in the box 13, and these walls 20a, 20b separate the interior of the box 13 from the greenhouse chamber R1 on the left and right sides to the greenhouse chamber _R1 in the center. It is divided into a refrigerator compartment R ₂ , and both the greenhouse compartment R ₁ and the refrigerator compartment R ₂ are formed in a cubic shape.

[0008] Each standing wall 20a, 20b has the same configuration, including a support 21 and a large number of partitions. It consists of a material 22. Each support column 21 consists of two left and right plates 21a as shown in FIGS. 2 to 5. , 21b, and each plate material 21a, 21b extends inward from each left and right side of the box body 13. The upper end is attached to the upper wall 13c of the box body 13 at approximately 1/4 part and at the central part in the front and back direction. It is supported via a resin bracket 29a, and its lower end is attached to the lower wall of the chassis 12 using a resin bracket. It is supported and erected via a bracket 29b. In addition, each plate material 21a, 21 b stand up facing each other with a predetermined interval A in the left-right direction, and the same interval A is covered by a plurality of partition members 22. Each of these plate materials 21a, 21b , a large number of mounting portions 21 protrude toward the other opening 13a at predetermined intervals in the vertical direction. c and a large number of mounting portions 21d protruding toward the other opening 13b are integrated along the plate surface. Each partition member 22 is attached using each attachment part 21c, 21d. It is.

[0009] As shown in FIGS. 4 to 6 and 9, each partition member 22 has an upright wall portion 22a and It consists of a flat support portion 22b. Both parts 22a and 22b are molded from resin. The standing wall portion 22a has a predetermined length in the vertical and front-back directions. The upper end and front end are closed and the lower end and rear end are open. standing wall The upper end surface 22c of the portion 22a is a flat surface with a predetermined width (approximately the same width as the support column 21) in the left-right direction. It is formed. The support portion 22b is located at the upper end surface 2 on each left and right side of the standing wall portion 22a. It is located slightly below 2c and has a specified length in the left-right and front-back directions. have In such a partition member 22, the rear end opening portion of the upstanding wall portion 22a is connected to both plates. It is fitted into both mounting portions 21c or 21d of materials 21a and 21b and secured with screws. In this state, a large number of partition members 22 are arranged in series in the vertical direction to form a box body. 13 openings 13a, 13b.

Further, as shown in FIGS. 4 and 6, the partition member 22 is provided with a tray guide mechanism 23 on the lower end side of a holding member 22d disposed within the upright wall portion 22a. The guide mechanism 23 includes a movable case 23a that is assembled to the holding member 22d and the side wall of the upright wall portion 22a so as to be able to move vertically by a predetermined amount within the holding member 22d having a U-shaped cross section, and the front and rear ends of the case 23a. It is composed of an endless belt 23c suspended between a pair of rollers 23b rotatably supported by a holder, and a leaf spring 23d interposed between a holding member 22d and a movable case 23a to bias the case 23a downward. has been done. The endless belt 23c is made of flexible and highly smooth synthetic resin, and the lower surface of the endless belt 23c is raised by the action of a leaf spring 23d to form an upright wall portion 22a of the partition member 22 assembled below. elastically contacts the upper end surface 22c of the upright wall portion 22a, elastically closes the gap formed between the upper and lower ends of both the upright wall portions 22a, and blocks communication between the hot storage room _R1 and the cold storage room _R2 . At the same time, a slit-shaped insertion passage that can be opened and closed is formed between the upper end surface 22c and the endless belt 23c. Further, in this state, the inside of each partition member 22 and the inside of the support column 21 are in communication with each other, forming a heat insulating air layer between the hot storage room _R1 and the cold storage room _R2 .

[0011] Of the partition members 22 constituting the upstanding walls 20a, 20b, the one at the upper end is obtained by cutting approximately the upper half of the partition member 22 as shown in FIG. 7, and the one at the lower end is as shown in FIG. 8, approximately the lower half of the partition member 22 is cut, and the cut partition member at the upper end is attached to the ceiling plate (greenhouse R The one provided on _{the first} side and the one provided on the _second side of the refrigerator compartment R2 are constructed separately, and a slit is formed between them. A floor plate attached to the lower wall _13d of the box body ₁₃ using is fixed to the hole (with a slit formed therein).

[0012] In the serving vehicle having such a configuration, the food trays 31 to 34 are housed in the box 13 in multiple stages vertically in parallel from the openings 13a and 13b of the box 13, and The refrigerating compartment R ₂ is a common refrigerating compartment for both trays 31, 32 and 33, 34. Moreover, each of the trays 31 to 34 is a serving tray, and as shown in FIGS. 1, 2, and 9, the trays are partitioned in the left-right direction by partitions 31a to 34a extending in the front-rear direction at the center in the same direction. The first recess 31b to 34b and the second recess 31c to 34c are provided. In the trays 31 to 34 employed in this embodiment, food for hot storage is placed in the first recesses 31b to 34b, and food for refrigeration is placed in the second recesses 31c to 34c. Therefore, in the serving vehicle, each of the trays 31 to 34 is inserted into the insertion path between the upper end surface 22c of the standing wall portion 22a of each partition member 22 and the endless belt 23c. It can be stored inside the box body 13.

[0013]In this embodiment, as shown in FIGS. 10 and 11, each side wall 13e, 13f of the box 13 forming each greenhouse room _R1 has a predetermined width extending from the upper end to the lower end. A duct C is formed by covering each recess B with an inner panel 16a, and an electric heater 16b is disposed at a predetermined position above the duct C. (The installation position of the electric heater 16b was determined by an experiment to investigate the temperature distribution in each greenhouse room _R1 , and when implementing it in greenhouse rooms with different shapes, it is necessary to place the electric heater 16b in the communication space _S1.) (It may be better to set it up.)

[0014] Each inner panel 16a is made of stainless steel and also functions as a heat sink, and has a horizontally long slit shape corresponding to each tray 31, 33 or 32, 34 arranged in multiple stages. A supply port 16a ₁ is provided, and a supply notch _{16a 2} is provided at the lower _end to prevent air pockets from forming. A louver 16a ₃ leading to the upper surface of 31, 33 or 32, 34 is integrally formed (see FIG. 12).

Further, the upper wall 13c forming each greenhouse room _R1 is provided with a discharge port 16c that opens into each greenhouse room _R1 , and a communication space _S1 that communicates the discharge port 16c with the duct C. An air circulation fan 16d is provided at the exhaust port 16c. Note that the power supply to each electric heater 16b is controlled based on a temperature sensor (not shown) installed in each greenhouse room _R1 , so that the inside of each greenhouse room _R1 is maintained at a set temperature. It is configured to

On the other hand, in the refrigerator compartment R ₂ , as shown in FIGS. 10, 11, and 13, a pair of coolers (evaporators) 17a are installed in the communication space S ₂ formed in the upper wall 13c of the box body 13. The air cooled by the cooler 17a is supplied to a pair of supply ports 17b provided on the upper wall 13c of the box body 13, and a blower tube 17c attached to the supply ports 17b that projects a predetermined amount into the refrigerator compartment _R2 . The air is introduced through the box body 13, is discharged through a pair of discharge ports 17d provided on the upper wall 13c of the box body 13, and is circulated by an air circulation fan 17e provided at each discharge port _17d . By controlling the operation of a refrigeration unit 17f that circulates and supplies refrigerant to both coolers 17a using a temperature sensor (not shown) disposed in the refrigerator compartment _R2 , the temperature inside the refrigerator compartment R2 is maintained at a set temperature.

The refrigeration unit _17f , as shown in _{FIG .} It is housed in a machine room _R3 formed by the plate 18a and the top plate 18b. Therefore, in this embodiment, the suction vent 18b ₁ and the discharge vent 18b ₂ are provided in the center of the top plate 18b, and the condenser _{17f 1 is} connected from the suction vent 18b 1 to the machine room _R3 . An inlet side rectifying plate 19a for guiding cooling air and an outflow side rectifying plate 19b for guiding cooling air that has passed through the refrigeration unit 17f to the exhaust vent _18b2 are provided on the inlet side. Further, a bracket 18c is attached to the top plate 18b for fixing and supporting the tray 31, 32, 33, or 34 in a removable manner. (See FIG. 14) Note that ventable covers (not shown) made of what is usually called lath metal are attached to the suction vents 18b ₁ and the discharge vents 18b ₂ . Further, in this embodiment, shielding plates 19c and 19d are provided between the refrigeration unit 17f and the top plate 18b to improve the flow of cooling air in cooperation with the rectifying plates 19a and 19b, respectively.

By the way, in this embodiment, the air heated and circulated by the operation of the air circulation fan 16d and the heater 16b on the _side of each greenhouse R1 is supplied to each supply port 16a of the inner panel 16a forming the duct C. ₁ into each greenhouse room _R1 , flows toward each tray 31, 33 or 32, 34 arranged in multiple stages in each greenhouse room _R1 , and flows between each tray 31, 33 or 32, 34 arranged in multiple stages in each greenhouse room R1. 32, 34, and reaches the periphery of each tray 31, 33 or 32, 34, flows upward from the periphery, and flows into the communication space _S1 from the discharge port 16c. Therefore, the air flowing from each supply port _16a1 to the discharge port 16c is evenly distributed throughout each greenhouse _R1 by each tray 31, 33 or 32, 34 on the way, and the heat dissipation effect from the inner panel 16a is Due to the synergistic effect, the temperature distribution within each greenhouse _R1 is made substantially uniform.

Furthermore, in this embodiment, a louver 16a ₃ is provided on the greenhouse room R ₁ side of each supply port 16a ₁ to guide the air flow to the upper surface of each tray 31, 33 or 32, 34. , the food placed on each tray 31, 33 or 32, 34 can be accurately guided onto each tray 31, 33 or 32, 34 while ensuring smooth flow of air in the duct C. The ambient temperature of the food can be uniformized efficiently, and the temperature of the air reaching each standing wall 20a, 20b can be lowered by allowing the air to reach each standing wall 20a, 20b after warming the food. It is possible to reduce the temperature difference between the two sides of each standing wall 20a and 20b, thereby improving thermal efficiency (reducing heat exchange between each greenhouse room _R1 and each refrigerator room _R2 ).

Furthermore, in this embodiment, a duct C is formed by a recess B of a predetermined width provided in one side wall 13e, 13f forming each greenhouse room _R1 and an inner panel 16a covering the recess B. By aligning the inner surface of the inner panel 16a with the inner surface of each side wall 13e, 13f, the duct C can be arranged within the installation space of the same side wall 13e, 13f, and the inside of each greenhouse _R1 space can be used effectively.

[0021] In addition, in this embodiment, the cross formed between each tray 31 to 34 in plan view is A pair of supply ports 17b correspond to both ends of one linear passage Pa in the shaped passage P. is provided at both ends of the other linear passage Pb in the cross-shaped passage P. Accordingly, a pair of discharge ports 17d are provided, so that the refrigerating compartment R is provided from both supply ports 17b. ₂ Air flowing into the interior flows toward the lower wall at both ends of one straight passage Pa. During the process, they are sequentially diffused and arranged in multiple stages at both ends of one straight path Pa. It flows into the space formed between each tray 31-34, and further into each tray 31-34. As shown by the broken line in FIG. is guided to both discharge ports 17d provided on both sides of the straight passage Pb. Therefore Then, the air flowing from both supply ports 17b to both discharge ports 17d flows into the refrigerator compartment R.₂ all over the place Distributed well, refrigerating room R₂ The temperature distribution within is assumed to be approximately uniform. In addition, the refrigerator compartment R₂ inside Each tray 31 to 34 arranged in multiple stages is effective as a guide for guiding airflow. It is used in the refrigerator room R.₂ This can be done without installing ducts inside the refrigerator compartment R. ₂ The space inside can be used effectively. In addition, in this example, the refrigerator compartment R₂ Because the blower tube 17c that protrudes a predetermined amount inward is attached to the supply port 17b. , cold room R₂ Optimize the air distribution within the air (for example, make the blower tube 17c longer) By doing so, it is possible to increase the amount of air flowing downward and lower the temperature distribution below). Yes, refrigerator room R₂ The temperature distribution within can be optimized.

Furthermore, in this embodiment, in the machine room R ₃ , the cooling air that has passed through the air-cooled refrigeration unit 17f is accurately guided to the exhaust vent 18b ₂ by the outflow side rectifying plate 19b, and the exhaust air It is discharged upward from the port _18b2 . Therefore, the cooling air is not blown onto the user's body, and the usability of the serving truck can be improved. In addition, since _the cooling air is accurately guided to the discharge vent 18b2 by the outflow side rectifying plate 19b, even if the discharge vent _18b2 is made small, hot air will not be trapped in the machine room _R3 , and the air-cooled type The opening area of the exhaust vent _18b2 can be reduced without reducing the cooling capacity of the refrigeration unit 17f, and the strength of the top plate 18b itself can be increased. ~ A space for placing 34 can be secured. In addition, since a bracket 18c is provided on the top plate 18b to removably fixedly support the trays 31 to 34, seasoning containers 41, 42 and pots (not shown) are placed on the trays 31 to 34 fixedly supported by the bracket 18c. etc., and even if seasonings or tea spill, it will be spilled on the trays 31 to 34 and can be easily washed together with the trays 31 to 34, making it extremely easy to use.

In the above embodiment, the suction vent 18b ₁ and the discharge vent 18b ₂ were separately provided in the center of the top plate 18b, but when implementing the present invention, the suction vent 18b ₁ It is possible to combine the and exhaust vent 18b ₂ into one to form an intake and exhaust vent, and also to supply cooling air from the intake vent 18b ₁ to the inlet side of the condenser 17f ₁ in the machine room R ₃ . Although the inflow side current plate 19a is provided, it is also possible to implement the present invention without this.

[Brief explanation of drawings]

FIG. 1 is a front view with the door omitted of a serving vehicle integrally equipped with a food tray storage according to an embodiment of the present invention.

FIG. 2 is a sectional view taken along the Z-Z line in FIG. 1;

FIG. 3 is a side view of the serving vehicle shown in FIG. 1.

4 is a partial side view of the upright wall of the serving car shown in FIG. 1. FIG.

FIG. 5 is a plan view of a partition member that constitutes an upright wall.

FIG. 6 is a longitudinal sectional front view of the partition member.

FIG. 7 is a longitudinal cross-sectional view showing the fixing structure of the upper end of the partition member.

FIG. 8 is a longitudinal cross-sectional view showing the fixing structure of the lower end of the partition member.

FIG. 9 is a front view of the tray inserted between the partition members.

FIG. 10 is a front view schematically showing the flow of air in the greenhouse, refrigerator, and machine room.

11 is a sectional view taken along the YY line in FIG. 10. FIG.

FIG. 12 is a front view of the inner panel alone.

13 is a sectional view taken along line XX in FIG. 10. FIG.

14 is a plan view of the serving vehicle shown in FIG. 1. FIG.

[Explanation of symbols]

10... Storage body, 17a... Cooler, 17f... Air-cooled refrigeration unit, 31-34... Tray, _R2 ... Refrigerator room, _R3 ... Machine room, 18a... Surrounding plate, 18b... Top plate, 18b ₁ ... For suction Ventilation port, 18b ₂ ...Discharge vent, 18c...Bracket, 19a...Inflow side current plate, 19b...Outflow side current plate.

Claims (2)

[Scope of utility model registration request] 1. A refrigerator main body that accommodates food trays is provided with a cooler and a refrigerating chamber cooled by the cooler, and an air-cooled refrigeration unit that circulates refrigerant to the cooler is housed above the refrigerator main body. In a food tray storage cabinet in which a machine room is formed by a circumferential plate and a top plate, a ventilation hole is provided in the top plate, and the cooling air that has passed through the air-cooled refrigeration unit is directed into the machine room. A food tray storage cabinet characterized by being equipped with a rectifying plate that guides the food to the mouth. 2. The food tray storage cabinet according to claim 1, further comprising a bracket for removably fixing and supporting the food tray on the top plate.