Field operation meal box with heat preservation structure

Abstract

The utility model provides a field operation meal box with a heat preservation structure, which relates to the technical field of field operation meal boxes and comprises a box body and a box cover, the box body comprises a first heat preservation layer and a second heat preservation layer, a heat preservation air layer is arranged between the first heat preservation layer and the second heat preservation layer, and an aluminum foil layer is fixedly mounted on the inner surface of the second heat preservation layer. The aluminum foil layer is made of aluminum foil materials, and the first heat preservation layer and the second heat preservation layer are both made of stainless steel materials. According to the heat preservation box, the first heat preservation layer, the second heat preservation layer, the heat preservation air layer and the aluminum foil layer are arranged, the heat preservation effect of the box body is improved through the first heat preservation layer and the second heat preservation layer which are made of stainless steel, and meanwhile the heat preservation effect of the box body can be further improved through the heat preservation air layer arranged between the first heat preservation layer and the second heat preservation layer; meanwhile, external heat or heat in the box body can be effectively isolated through the aluminum foil layer made of an aluminum foil material, so that food in the box body is effectively prevented from being easily influenced by external temperature.

Description

Technical Field

[0001] The utility model relates to the technical field of field lunch boxes, in particular to a field lunch box with a heat preservation structure. Background Art

[0002] The field lunch box is a portable tableware container designed to meet the eating needs of the military, outdoor explorers, campers, etc. in the wild environment. Publication number CN210642930U discloses a lunch box, including a ceramic bowl, a partition, a connecting slider, an annular groove, a circular ring block, a ceramic column, a round cover, a rubber ring sheet, a cross cavity, an annular groove, a cylindrical groove, a rubber thin cover, an external thread column and a channel. The utility model has a reasonable design, adopts a corresponding adjustable partition structure, and reasonably distributes the partitions according to needs, which is conducive to forming a space area for multiple food classification and storage, reducing the degree of mixed flavors of dishes, and sliding the side of the partition edge against the corresponding inner wall of the ceramic bowl and the annular surface of the ceramic column to achieve the effect of relative isolation of multiple space areas formed by the partition, changing the traditional way of using a suction cup structure for sealing, and at the same time avoiding the problem of affecting the sealing effect due to deformation of the rubber sealing structure, and the internal gas of the rubber thin cover is squeezed and deformed to enter the rubber ring sheet through the connected cross cavity and pores, so that the rubber ring sheet expands and deforms and firmly squeezes the inner wall of the ceramic bowl port. However, the lunch box is not provided with a heat preservation structure, which makes it impossible to effectively maintain the temperature of the food. In a cold environment, hot food will quickly cool down, and in a hot environment, cold food will quickly heat up, thereby affecting the taste and quality of the food. The lunch box still has shortcomings and needs to be improved. Utility Model Content

[0003] The purpose of the utility model is to solve the technical problems raised in the above background technology.

[0004] The utility model adopts the following technical scheme: a field lunch box with a heat preservation structure, comprising a box body and a box cover, the box body comprising a heat preservation layer 1 and a heat preservation layer 2, a heat preservation air layer is arranged between the heat preservation layer 1 and the heat preservation layer 2, and an aluminum foil layer is fixedly installed on the inner surface of the heat preservation layer 2.

[0005] Preferably, the aluminum foil layer is made of aluminum foil material, and the insulation layer 1 and insulation layer 2 are both made of stainless steel material. Here, the aluminum foil layer and the insulation layer 1 and insulation layer 2 made of stainless steel material improve the insulation effect of the box body, and effectively prevent the food inside the box body from losing heat easily.

[0006] Preferably, the box body and the box cover are slidably connected. Here, the opening and closing efficiency of the box body and the box cover is improved by the slidable connection.

[0007] Preferably, a groove is formed on the top of the box body, a sealing strip is fixedly mounted on the bottom of the box cover, and the sealing strip is slidably connected to the groove. Here, the sealing effect between the box body and the box cover is improved by the sliding connection.

[0008] Preferably, pads are symmetrically fixedly installed at the bottom of the box body, and the number of the pads is four groups. Here, the wear-resistant effect of the bottom of the box body is improved by the four groups of pads.

[0009] Preferably, the box cover is fixedly installed with connecting blocks on both sides, the connecting blocks are rotatably connected with handles inside, the inner surface of the handles is fixedly installed with limiting protrusions, the box body is fixedly installed with fixing blocks on both sides, and the bottom of the fixing blocks is provided with limiting grooves. Here, the handle is bent downward to rotate inside the connecting block, and after rotating to a certain angle, the handle is pressed hard to make the limiting protrusions on the inner surface of the handle snap into the limiting grooves at the bottom of the fixing block, thereby improving the fixing effect between the box body and the box cover, and effectively preventing the box cover from easily falling off the box body.

[0010] Preferably, the limiting groove and the limiting protrusion are slidably connected. Here, the fixing effect of the box cover is improved by the sliding connection.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. In the utility model, by setting up the insulation layer 1, the insulation layer 2, the insulation air layer and the aluminum foil layer, the insulation effect of the box body is improved by the insulation layer 1 and the insulation layer 2 made of stainless steel, and the insulation air layer set between the insulation layer 1 and the insulation layer 2 can further improve the insulation effect of the box body, and the aluminum foil layer made of aluminum foil can effectively isolate the external heat or the heat inside the box body, thereby effectively preventing the food inside the box body from being easily affected by the external temperature.

[0013] 2. In the utility model, a connecting block, a handle, a limiting protrusion, a fixing block and a limiting groove are provided. The handle is bent downward in sequence to rotate inside the connecting block. After rotating to a certain angle, the handle is pressed hard to make the limiting protrusion on the inner surface of the handle fit into the limiting groove at the bottom of the fixing block, thereby improving the fixing effect between the box body and the box cover, and effectively preventing the box cover from falling off from the box body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model provides a schematic diagram of the overall structure of a field lunch box with a heat preservation structure;

[0015] Figure 2 The utility model provides a schematic diagram of the internal structure of a field lunch box with a heat preservation structure;

[0016] Figure 3 The utility model proposes a field lunch box with a heat preservation structure. Figure 2 Enlarged view of point A in the middle;

[0017] Figure 4 The utility model provides a side exploded structural schematic diagram of a field lunch box with a heat preservation structure;

[0018] Figure 5 The utility model provides a schematic diagram of an exploded structure of a field lunch box with a heat preservation structure when viewed from above.

[0019] Legend:

[0020] 1. Box body; 101. Insulation layer one; 102. Insulation layer two; 103. Insulation air layer; 104. Aluminum foil layer; 2. Box cover; 3. Connecting block; 4. Handle; 5. Limiting protrusion; 6. Fixing block; 7. Limiting groove; 8. Sealing strip; 9. Groove; 10. Pad. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0023] Embodiment 1

[0024] See also Figure 1-3 The utility model provides a technical solution: a field lunch box with a heat preservation structure, comprising a box body 1 and a box cover 2, the box body 1 comprising a heat preservation layer 101 and a heat preservation layer 2 102, a heat preservation air layer 103 is arranged between the heat preservation layer 101 and the heat preservation layer 2 102, and an aluminum foil layer 104 is fixedly installed on the inner surface of the heat preservation layer 2 102. By arranging the heat preservation layer 101, the heat preservation layer 2 102, the heat preservation air layer 103 and the aluminum foil layer 104, the heat preservation effect of the box body 1 is improved by the heat preservation layer 101 and the heat preservation layer 2 102 made of stainless steel, and the heat preservation air layer 103 arranged between the heat preservation layer 101 and the heat preservation layer 2 102 can further improve the heat preservation effect of the box body 1, and the aluminum foil layer 104 made of aluminum foil can effectively insulate the external heat or the heat inside the box body 1, thereby effectively preventing the food inside the box body 1 from being easily affected by the external temperature.

[0025] See also Figure 1-5 The aluminum foil layer 104 is made of aluminum foil, and the insulation layer 1 101 and the insulation layer 2 102 are both made of stainless steel. The aluminum foil layer 104 and the insulation layer 1 101 and the insulation layer 2 102 made of stainless steel improve the insulation effect of the box body 1, and effectively prevent the food inside the box body 1 from losing heat. The box body 1 and the box cover 2 are slidingly connected, and the opening and closing efficiency of the box body 1 and the box cover 2 is improved through the sliding connection. A groove 9 is provided on the top of the box body 1, and a sealing strip 8 is fixedly installed on the bottom of the box cover 2. The sealing strip 8 is slidingly connected to the groove 9, and the sealing effect between the box body 1 and the box cover 2 is improved through the sliding connection. Pads 10 are symmetrically fixedly installed on the bottom of the box body 1, and the number of pads 10 is four groups. The four groups of pads 10 improve the anti-wear effect of the bottom of the box body 1.

[0026] Embodiment 2

[0027] See also Figure 4-5 , connecting blocks 3 are fixedly installed on both sides of the box cover 2, and a handle 4 is rotatably connected inside the connecting block 3. A limiting protrusion 5 is fixedly installed on the inner surface of the handle 4, and fixing blocks 6 are fixedly installed on both sides of the box body 1. A limiting groove 7 is provided at the bottom of the fixing block 6. The handle 4 is bent downward to make the handle 4 rotate inside the connecting block 3. After rotating to a certain angle, the handle 4 is pressed hard so that the limiting protrusion 5 on the inner surface of the handle 4 is stuck into the limiting groove 7 at the bottom of the fixing block 6, thereby improving the fixing effect between the box body 1 and the box cover 2, and effectively preventing the box cover 2 from falling off from the box body 1. The limiting groove 7 is slidably connected to the limiting protrusion 5, and the fixing effect of the box cover 2 is improved through the sliding connection.

[0028] Working principle: when in use, first put food into the box body 1, then cover the box body 1 with the box cover 2, and then bend the handle 4 downwards to rotate it inside the connecting block 3, and then press the handle 4 hard after rotating it to a certain angle, so that the limiting protrusion 5 on the inner surface of the handle 4 is stuck into the limiting groove 7 at the bottom of the fixing block 6, thereby improving the fixing effect between the box body 1 and the box cover 2, and effectively preventing the box cover 2 from falling off the box body 1. In the process of using the box body 1, the heat preservation effect of the box body 1 can be improved by the heat preservation layer 1 101 and the heat preservation layer 2 102 made of stainless steel, and the heat preservation effect of the box body 1 can be further improved by the heat preservation air layer 103 set between the heat preservation layer 1 101 and the heat preservation layer 2 102, and the heat preservation effect of the box body 1 can be further improved by the heat preservation air layer 103 set between the heat preservation layer 1 101 and the heat preservation layer 2 102, and the aluminum foil layer 104 made of aluminum foil can effectively isolate the heat from the outside or the heat inside the box body 1, thereby effectively preventing the food inside the box body 1 from being easily affected by the outside temperature.

[0029] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A field lunch box with a heat preservation structure, comprising a box body (1) and a box cover (2), characterized in that: The box body (1) comprises a first insulation layer (101) and a second insulation layer (102), a heat-insulating air layer (103) is arranged between the first insulation layer (101) and the second insulation layer (102), and an aluminum foil layer (104) is fixedly installed on the inner surface of the second insulation layer (102).

2. The field lunch box with a heat preservation structure according to claim 1, characterized in that: The aluminum foil layer (104) is made of aluminum foil material, and the thermal insulation layer 1 (101) and the thermal insulation layer 2 (102) are both made of stainless steel material.

3. The field lunch box with a heat preservation structure according to claim 1, characterized in that: The box body (1) and the box cover (2) are slidably connected.

4. The field lunch box with a heat preservation structure according to claim 1, characterized in that: The top of the box body (1) is provided with a groove (9), and the bottom of the box cover (2) is fixedly provided with a sealing strip (8), and the sealing strip (8) is slidably connected to the groove (9).

5. The field lunch box with a heat preservation structure according to claim 1, characterized in that: Cushion blocks (10) are symmetrically fixedly mounted on the bottom of the box body (1), and the number of the cushion blocks (10) is four groups.

6. The field lunch box with a heat preservation structure according to claim 1, characterized in that: Connecting blocks (3) are fixedly mounted on both sides of the box cover (2), a handle (4) is rotatably connected inside the connecting block (3), a limiting protrusion (5) is fixedly mounted on the inner surface of the handle (4), and fixing blocks (6) are fixedly mounted on both sides of the box body (1), and a limiting groove (7) is provided at the bottom of the fixing block (6).

7. The field lunch box with a heat preservation structure according to claim 6, characterized in that: The limiting groove (7) is slidably connected to the limiting protrusion (5).

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