JP2016182260A - Heat retention storage for pet food - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a simple heat retention structure in a heat retention storage for heating pet food without opening a container.SOLUTION: A heat retention storage 1 for pet food includes: an inner container 20 whose top face is opened so as to form a heat retention chamber 10 for accommodating pet food and in which a heater 90 is attached to the outer face of a side wall 23: a side cover 60 disposed surrounding the side wall 23 of the inner container 20; a bottom cover 70 disposed below the inner container 20; and inner walls 81 and 83 integrally erected on a bottom plate 71 of the bottom cover 70, and inserted between the side wall 23 of the inner container 20 and the side cover 60, which form a heater chamber 100 covering a heater 90 attached to the side wall 23, and also form a thermal insulation chamber 101 between itself and the side cover 60.SELECTED DRAWING: Figure 3A

Description

  The present invention relates to a heat insulating cabinet that keeps a packaged pet food at a temperature preferred by a pet.

  Pet foods that are enclosed in containers such as retort pouches, metal cans, and foil containers are commercially available. These pet foods can be given at room temperature, but it is known that the bite is better when warmed.

  As a method of warming pet food, a method of opening a container, transferring it to a heating container and warming it with a microwave oven is common.

  In addition, as a heating device for human retort pouch foods, a device for heating a retort pouch food by sandwiching it between two hot plates is known (see Patent Document 1).

Japanese Utility Model Publication No. 6-79430

  The food temperature preferred by pets is about 39 ° C., which is lower than the optimum temperature for human food. Microwave heating by a microwave oven tends to be higher than the optimum temperature of pet food, and it is difficult to warm to an appropriate temperature by microwave heating. Moreover, since canned and foil containers are made of metal, and the packaging material for pouches is a laminate material containing aluminum foil, in order to heat pet food enclosed in these containers in a microwave oven, the containers are opened and used for the range. It needs to be transferred to a container, which is very troublesome.

  The heating device described in Patent Document 1 can heat the retort pouch food without opening it, but has a complicated structure in which a hot plate is moved.

  In view of the above-described technical background, an object of the present invention is to provide a simple heat-retaining structure in a heat-retaining chamber that heats pet food without opening a container.

  That is, the pet food warmer of the present invention has the configurations described in [1] to [4] below.

[1] An inner container in which an upper surface is opened to form a storage room for storing pet food, and a heater is attached to the outer surface of the side wall;
A side cover disposed around a side wall of the inner container;
A bottom cover disposed below the inner container;
Standing integrally with the bottom plate of the bottom cover, inserted between the side wall and the side cover of the inner container to cover the heater attached to the side wall to form a heater chamber, and between the side cover A pet food heat-retaining chamber having an inner wall that forms a heat insulation chamber.

  [2] The pet food warming box as recited in the aforementioned Item 1, wherein a control board for controlling a heater is disposed in the heat insulation chamber.

  [3] The pet food warmer as recited in the aforementioned Item 1 or 2, wherein the inner container and the side cover are separate members.

  [4] The inner container has a support leg protruding downward, and a footrest for receiving the support leg is provided on the bottom cover. By engaging the support leg with the footrest, the inner container, the bottom cover, The warm box for a pet food according to any one of the preceding items 1 to 3, wherein is combined.

  According to the pet food warmer as described in [1] above, the heater that warms the warming chamber is covered with the inner wall to prevent heat dissipation, so the heat generated by the heater is efficiently used for heating the warming chamber. . Moreover, since the said heat retention room is interrupted | blocked from external air by the heat insulation room formed between an inner wall and a side cover, heat retention is good. Further, since the inner wall is integral with the bottom case, the number of parts is small, the structure is simple, and the assembly is easy.

  According to the pet food warmer as described in [2] above, the control board is arranged in the heat insulation chamber partitioned by the inner wall from the heater chamber, so that it is not affected by the heat from the heater.

  According to the pet food heat insulation box as described in [3] above, since the inner container and the side cover are separate, the heater can be easily attached.

  According to the pet food warmer as described in [4] above, the inner container and the bottom cover can be easily connected since the support legs of the inner container are engaged with the leg holders of the bottom cover so that both are positioned and coupled. Can be assembled into.

1 is an overall perspective view of a pet food warmer according to an embodiment of the present invention. It is a disassembled perspective view of the pet food heat storage box of FIG. It is the 3A-3A sectional view taken on the line of FIG. It is the 3B-3B sectional view taken on the line of FIG. It is a perspective view of a large partition plate. It is a perspective view of a small partition plate. It is a bottom view of an inner container. It is a perspective view which shows the assembly state of the pet food heat retention box of FIG.

  1 to 7 show a pet food warmer according to an embodiment of the present invention.

The pet food warmer 1 includes an inner container 20 that forms a warming chamber 10 that accommodates the packaged pet food, partition plates 50 and 54 that divide the warming chamber 10 into a plurality of chambers, a heater 90 that heats the warming chamber 10, and a side surface. The cover 60, the bottom cover 70, and members attached thereto are configured. The inner container 20, the partition plates 50 and 54, the side cover 60, and the bottom cover 70 are resin molded products.
[Components of a pet food warmer]
As shown in FIG. 1 to FIG. 3B, the warming chamber 10 includes a bottomed inner container 20 having a rectangular bottom plate 21, a short side wall 22 and a long side wall 23 rising from the bottom plate 21, and an open top surface. A space surrounded by a cover plate 40 that closes the upper surface opening of the inner container 20. 1 shows a state in which the lid plate 40 is opened, FIG. 3A and FIG. 3B, which are sectional views of FIG. 1, show a state in which the lid plate 40 is closed.

  At the opening edge of the inner container 20, a flange 30 having an inverted L-shaped cross section is formed which includes a flat portion 31 continuing from the opening edge and a drooping portion 32 depending from the outer edge of the flat portion 31. The lower end portion of the drooping portion 32 is formed with a protruding edge 33 by thinning the outside in the thickness direction. An indicator 35 including a rail 35a and a slider 35b that moves on the rail 35a is provided on each of one long side and one short side of the flange 30. Further, support legs 24 formed as cylindrical female screws protrude from the four corners of the back surface of the bottom plate 21 of the inner container 20.

  The cover plate 40 is rotatably attached to one short side of the flange 30, and a locking portion 34 that engages with the hook 41 of the cover plate 40 is formed on the opposite short side.

  The hanging portion 32 of the flange 30 constitutes a housing of the heat insulating cabinet 1 together with a side cover 60 and a bottom cover 70 described later.

  As shown in FIGS. 4A and 4B, the partition plates 50 and 53 have an inverted T shape having flange plates 52 and 55 protruding from the lower ends of the main body plates 51 and 54 to both sides in the plate thickness direction. On the other hand, as shown in FIGS. 3A and 3B, guide rails 25 are provided on the side walls 22 and 23 of the inner container 20 so as to insert both ends of the body plates 51 and 54 of the partition plates 50 and 53. The illustrated warming cabinet 1 includes two large partition plates 50 attached in parallel to the long side of the warm chamber 10 and one small partition plate 53 attached in parallel to the short side, and two sets on the short side wall 22. Guide rails 25 are provided, and one set of guide rails 25 is provided on the long side wall 23. The partition plates 50 and 53 are detachable, and FIG. 3A illustrates a state in which two large partition plates 50 are attached and partitioned into three elongated chambers.

  As shown in FIGS. 2 to 3B, the side cover 60 is a peripheral body whose cross-sectional area is expanded downward, and a groove 61 in which the protruding edge 33 of the flange 30 of the inner container 20 engages with the upper end portion. Is formed, and the outer edge in the plate thickness direction is thinned at the lower end portion to form a protruding edge 62.

  As shown in FIGS. 2 to 3B, the bottom cover 70 is a tray type, and a groove 73 that engages with the protruding edge 62 of the side cover 60 is formed at the upper end of the side wall 72 that rises while curving from the bottom plate 71. ing. A rectangular inner wall body 80 is erected at the center of the bottom plate 71. Of the two opposing first side walls 81 and second side walls 83 of the inner wall body 80, the first side wall 81 parallel to the short side of the bottom plate 71 is a large U along the bottom plate 21 and the long side wall 23 of the inner container 20. It has a letter-shaped notch 82. The first side wall 81 and the second side wall 83 correspond to the inner wall of the present invention. The bottom plate 84 of the inner wall body 80 is formed by raising a part of the bottom plate 71 of the bottom cover 70. Further, a leg support 74 that receives the support leg 24 of the inner container 20 is erected beside the first side wall 81 outside the inner wall body 80. A through hole 75 for passing the port 76 is formed in the center of the leg support 74. Two each of the leg supports 74 are provided beside the two first side walls 81, for a total of four.

  As shown in FIGS. 2 and 5, the heater 90 is a flexible line heater. The heater 90 is folded and attached to the sheet 94, and the sheet 94 is attached to the bottom plate 21 and the long side wall 23 by attaching the sheet 94 to the long side walls 23 on both sides from the back surface of the bottom plate 21 of the inner container 20. Yes. The heater 90 heats the bottom plate 21 and the long side wall 23 to dissipate heat to the warming chamber 10, and further transfers heat from the bottom plate 21 to the partition plates 50 and 53, so that the main body plates 51 and 54 function as heat sinks. Warm up. Moreover, since the partition plates 50 and 53 are in contact with the bottom plate 21 over a wide area by the flange plates 52 and 55, heat transfer efficiency is good, and a high temperature holding effect is obtained.

  As shown in FIG. 5, as a temperature sensor, a thermistor 91 and a thermostat 92 are attached to the back surface of the bottom plate 21 of the inner container 20 after being attached to the sheet 94 in the same manner as the heater 90. The thermistor 91 and the thermostat 92 detect the temperature of the bottom plate 21 heated by the heater 90, and the heater 90 is controlled based on the detected temperature so that the temperature in the temperature-retaining room 10 is within a predetermined temperature range. The The thermistor 91 can detect the temperature with high accuracy and can accurately control the temperature. On the other hand, the thermostat 92 cuts off the power supply to the heater 90 when the temperature rises. By using two types of temperature sensors having different characteristics in this way, accurate temperature management and high safety can be realized.

  The heater 90, the thermistor 91, and the thermostat 92 are connected to the control board 93 as shown in FIG. 3B.

  The method of attaching the heater 90 and the temperature sensor to the inner container 20 is not limited to the method of attaching the heater 90 and the temperature sensor via the sheet 94, and may be directly attached to the inner container 20. When the sheet 94 is used, the heater 90 and the temperature sensor can be affixed on the flat sheet 94, and the support legs 24 of the inner container 20 do not interfere with the work, so that the workability is good and the contents are three-dimensional. Attachment to the container 20 can be as simple as sticking the sheet 94.

The appropriate temperature of the pet food is 38 to 42 ° C., and the above-described pet food warmer 1 is controlled by the heater, thermistor 91 and thermostat 92 so as to warm the pet food contained in the warming chamber 10 to the temperature within the above range. .
[Assembly of a pet food warmer]
Each component mentioned above is assembled as follows.

  First, the protruding edge 62 of the side cover 60 is inserted into the groove 73 of the side wall 72 of the bottom cover 70. Next, as shown in FIG. 6, the inner container 20 is fitted into the notch portion 82 of the inner wall body 80, the support leg 24 of the inner container 20 is inserted into the leg holder 74 of the bottom cover 70, and the groove 61 at the upper end of the side cover 60. The protruding edge 33 of the flange 30 of the inner container is inserted into the inner container 20, and the inner container 20 is supported by the leg holder 74 of the bottom cover 70 and the first side wall 81 of the inner wall body 80. Further, a cord connecting the heater 90, the thermistor 91, the thermostat 92 and the control board 93 is drawn out of the inner wall body 80 from an escape portion 82a (see FIG. 2) provided in one notch portion 82. Further, as shown in FIG. 3B, the bolts 76 are also inserted into the through holes 75 of the leg holders 74 from the outer surface side of the bottom cover 70 and screwed into the support legs (internal threads) 74 of the inner container 20. Thereby, these are integrally couple | bonded in the aspect which pinches | interposes the side cover 60 with the inner container 20 and the bottom cover 70. FIG.

  In the assembled state, the inner container 20 is fitted in the notch 82 of the inner wall body 80, and the first side wall 81 and the second side wall 83 are inserted between the inner container 20 and the side cover 60. The notch 82 occupies most of the area of the first side wall 81, but the left and right sides of the notch 82 and the portions left below are used as spacers to form the inner wall body 80, the bottom plate 21 of the inner container 20, and the length. A space 100 having a U-shaped cross section is formed between the side wall 23 and the side wall 23. The inner wall body 80 covers the heater 90 attached to the bottom plate 21 and the long side wall 23 of the inner container 20, and the space 100 becomes a heater chamber. The heater 90 attached to the long side wall 23 of the inner container 20 is covered with a first side wall 81 and a second side wall 83, and the heater 90 attached to the bottom plate 21 is an inner wall body that is also a bottom plate 71 of the bottom cover 70. Since it is covered with the bottom plate 84 of 80, the heat dissipation from the bottom plate 21 to the outside of the inner container 20 is prevented, and the heat generated by the heater 90 is efficiently used for heating the warming chamber 10.

  Further, the hanging portion 32 of the flange 30 of the inner container 20, the side cover 60, and the bottom cover 70 form a housing of the heat insulating chamber 1, and a space is formed between the housing and the short side wall 22 and the inner wall body 80 of the inner container 20. 101 is formed, and this space 101 functions as a heat insulating chamber partitioned from the heater chamber 100 by an inner wall body 80. The heat insulating chamber 101 is used as a mounting location for the control board 93 while keeping the room temperature by blocking the thermal storage room 10 from outside air. Since the heat insulating chamber 101 is partitioned by the heater chamber 100 and the inner wall body 80, there is almost no increase in the room temperature, and the control board 93 is not affected by the heat of the heater 90.

  Since the pet food warmer 1 is integral with the first side wall 81 and the second side wall 83 bottom case, the number of parts is small, the structure is simple, and the assembly is easy. With the simple structure and assembly, it is possible to realize the above-described thermal insulation 10 having the excellent heat retention. Further, the support legs 24 of the inner container are engaged with the leg holders 74 of the bottom cover 70, so that both can be easily positioned and can be easily coupled by using a fastening member such as a bolt 73.

  In the present invention, it is not essential that the side cover 60 is separate from the inner container 20, and the present invention includes a case where the inner container and the side cover are integrated. If the side cover 60 is formed separately from the inner container 20 as in the illustrated example, there is no shielding around the side walls 22 and 23 of the inner container 20, so that the heater 90 can be easily attached. Further, the inner container and the bottom cover can be easily assembled by sandwiching the side cover between the inner container and the bottom cover.

  In the illustrated example of the pet food warmer 1, the heater 90 is attached to two of the four side walls 22 and 23 of the inner container 20, but the number of side walls to which the heater 90 is attached is not limited. If the heater 90 is attached to at least one side wall, and the heater chamber by the inner wall is formed on the side wall, it is included in the technical scope of the present invention. For example, in the above-described pet food warmer 1, if a heater is attached to all of the four side walls 22, 23, the long side wall 23 is extended to the left and right, and the first side wall 81 covers the short side wall 22, A heater chamber can be formed. At this time, the leg holders 74 of the bottom cover 70 are inside the inner wall body 80, and the support legs 24 of the inner container 20 are supported in the inner wall body 80.

  INDUSTRIAL APPLICABILITY The present invention can be used as a heat insulation chamber that warms pet food without opening it.

DESCRIPTION OF SYMBOLS 1 ... Pet food warmer 10 ... Insulating chamber 20 ... Inner container 21 ... Bottom plate 24 ... Support leg 25 ... Guide rail 30 ... Flange 40 ... Lid plate 50 ... Large partition plate 53 ... Small partition plate 60 ... Side cover 70 ... Bottom Cover 74 ... Leg rest 80 ... Inner wall 81 ... First side wall 82 ... Notch 83 ... Second side wall 90 ... Heater 91 ... Thermistor 92 ... Thermostat 93 ... Control board 100 ... Heater chamber 101 ... Insulation chamber P ... Pet food

Claims (4)

An inner container in which the upper surface is opened to form a greenhouse to accommodate pet food, and a heater is attached to the outer surface of the side wall;
A side cover disposed around a side wall of the inner container;
A bottom cover disposed below the inner container;
Standing integrally with the bottom plate of the bottom cover, inserted between the side wall and the side cover of the inner container to cover the heater attached to the side wall to form a heater chamber, and between the side cover A pet food heat-retaining chamber having an inner wall that forms a heat insulation chamber.   The heat insulation box for pet food according to claim 1, wherein a control board for controlling a heater is disposed in the heat insulation chamber.   The warm container for pet food according to claim 1 or 2, wherein the inner container and the side cover are separate members. The inner container has a support leg projecting downward, and a footrest for receiving the support leg is provided on the bottom cover, and the inner container and the bottom cover are coupled by engaging the support leg with the footrest. The thermal insulation for pet food according to any one of claims 1 to 3.

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