Portable CPLA meal box with good heat preservation property

Abstract

The utility model discloses a portable CPLA meal box with good heat preservation, which comprises a box body and a box cover, the box cover is arranged above the box body, square grooves are arranged above two sides of the outer wall of the box body, magnetic structures are arranged on two side edges of the outer wall of the box cover, a lifting handle structure is arranged in the middle of the top surface of the box body, and the lifting handle structure is connected with the box cover. An inner container is arranged on one side of the interior of the box body, and the box body and the box cover are each composed of a layer structure. The food container has the advantages that the food container is provided with the heat preservation layer which is of a double-layer structure and is internally provided with the polyurethane foam plastic, the effective heat preservation function of the food container can be realized, and the polyurethane foam plastic is an excellent heat preservation material, has a lower heat conduction coefficient, can effectively prevent the transfer of internal and external heat and can keep the temperature stable; the polyurethane foam plastic interlayer is added in the lunch box, so that the heat preservation time of food can be prolonged, meals are more delicious, and the lunch box has the effect of being capable of being cleaned and reused and embodies the functions of environmental protection and use safety.

Description

Technical Field

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

[0002] CPLA lunch box is a kind of lunch box made of biodegradable and environmentally friendly material blended from polylactic acid (PLA) and polycaprolactone (PCL). This material can be completely degraded under certain conditions and has good mechanical properties and processing properties.

[0003] Existing lightweight CPLA lunch boxes do not have effective heat preservation effects when used, such as a lunch box disclosed in application number CN201621318752.3. Existing such lunch boxes do not have a certain heat preservation effect when used, and do not have a double-layer structure with an inner heat preservation layer, so that such lunch boxes cannot prevent the heat transfer between the inside and outside when used, and cannot extend the heat preservation time of food, which will make the food lose its proper taste and reduce the user's experience and dining preference.

[0004] Therefore, it is necessary to invent a lightweight CPLA lunch box with good heat preservation to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a lightweight CPLA lunch box with good thermal insulation to solve the problem that the technology cannot accurately locate and screen. When picking up items, the picking device cannot detect and screen whether the items are qualified, resulting in the need for subsequent manual inspection. At the same time, the picking device can accurately locate the objects to ensure the stability of the objects during automatic picking up.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lightweight CPLA lunch box with good heat preservation, comprising a box body, a box cover, a square groove and a magnetic attraction structure, a box cover is arranged on the top of the box body, square grooves are opened on the top of both sides of the outer wall of the box body, magnetic attraction structures are arranged on the edges of both sides of the outer wall of the box cover, a handle structure is arranged in the middle of the top surface of the box body, an inner liner is arranged on one side of the interior of the box body, and the box body and the box cover are both composed of a layer structure.

[0007] Preferably, sealing convex strips are fixedly mounted on the top surface of the box body around the periphery, and sealing grooves are opened on the bottom surface of the box cover around the periphery, and the positions of the sealing convex strips and the sealing grooves correspond to each other.

[0008] Preferably, a cylindrical strip is arranged on the top of the sealing convex strip, and a cylindrical groove which is engaged and matched with the cylindrical strip on the top of the sealing convex strip is opened on the inner top surface of the sealing groove.

[0009] Preferably, the magnetic structure includes a fixed plate, a magnetic strip, a connecting shaft, a magnetic groove and a protrusion. The fixed plates are respectively fixedly installed on both sides of the top surface of the box cover, and a magnetic strip is arranged directly below the fixed plate. The top of the magnetic strip is rotatably connected to the bottom of the fixed plate with a connecting shaft. Magnetic grooves matching the magnetic strip are provided on the upper sides of the outer wall of the box body, and a protrusion is fixedly installed in the middle of the front side of the magnetic strip.

[0010] Preferably, the handle structure includes a rotating shaft, a pull ring and a placement groove, the rotating shaft is rotatably installed in the middle of the top surface of the box cover, a pull ring is installed above the rotating shaft, and a placement groove matching the size of the pull ring is opened on the top of the box cover.

[0011] Preferably, snap-fit ​​strips are installed on both sides of the outer wall of the inner liner, snap-fit ​​grooves matching with the snap-fit ​​strips are opened on both sides of the inner wall of the box body, two partitions are installed on one side of the interior of the inner liner, and installation grooves matching with the sizes of the two ends of the partitions are opened on both sides of the inner wall of the inner liner.

[0012] Preferably, the layer structure comprises an outer wall layer and a heat-insulating layer, the outer wall layer is a double-layer arrangement, and the heat-insulating layer is arranged in the middle of the outer wall layer.

[0013] Preferably, the outer wall layer is made of CPLA material, and the insulation layer is made of polyurethane foam plastic.

[0014] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0015] The lightweight CPLA lunch box with good heat preservation can realize the installation and closure between the upper and lower bodies of the lunch box through the corresponding arrangement of the sealing convex strip and the sealing groove structure, so as to avoid spillage and leakage caused by mistakes in the internal contents. The edges of both sides of the outer wall of the box cover are provided with magnetic suction structures, which can be opened or closed by self-pulling, so as to effectively enhance the tightness of the seals on both sides.

[0016] The layer structure of the lunch box is double-layered and a polyurethane foam plastic insulation layer is arranged inside, which can play an effective insulation function of the lunch box. Polyurethane foam plastic is an excellent insulation material with a low thermal conductivity coefficient, which can effectively prevent the transfer of internal and external heat and maintain temperature stability. Adding a polyurethane foam plastic interlayer to the lunch box can extend the insulation time of food and make the meal more delicious. The lunch box can be washed and reused, reflecting the functions of environmental protection and safety of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2This is a schematic diagram of the internal structure of the box body of the utility model;

[0019] Figure 3 This is a schematic diagram of the inner tank partition structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the top view of the box cover of the utility model;

[0021] Figure 5 This is a schematic diagram of the bottom view of the box cover of the utility model;

[0022] Figure 6 It is a schematic diagram of the layer structure of the utility model.

[0023] Description of reference numerals:

[0024] 1. Box body; 101. Sealing convex strip; 102. Sealing groove; 103. Cylindrical strip; 2. Box cover; 3. Square groove; 4. Magnetic structure; 401. Fixed plate; 402. Magnetic strip; 403. Connecting shaft; 404. Magnetic groove; 405. Bump; 5. Handle structure; 501. Rotating shaft; 502. Pull ring; 503. Placement groove; 6. Inner liner; 601. Snap-fit ​​strip; 602. Snap-fit ​​groove; 603. Partition; 604. Installation groove; 7. Layer structure; 701. Outer wall layer; 702. Insulation layer. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0026] The utility model provides Figure 1-6The light-weight CPLA lunch box with good heat preservation shown in the figure comprises a box body 1, a box cover 2, a square groove 3 and a magnetic attraction structure 4. The box body 1 is provided with a box cover 2 on the top, and a sealing convex strip 101 is fixedly installed on the top surface of the box body 1. A sealing groove 102 is provided on the bottom surface of the box cover 2. The positions of the sealing convex strip 101 and the sealing groove 102 correspond to each other. A cylindrical strip 103 is provided on the top of the sealing convex strip 101. A cylindrical groove is provided on the inner top surface of the sealing groove 102 to match the cylindrical strip 103 on the top of the sealing convex strip 101. Square grooves are provided on the top of both sides of the outer wall of the box body 1. Slot 3, both sides of the outer wall of the box cover 2 are provided with a magnetic attraction structure 4, the magnetic attraction structure 4 includes a fixed plate 401, a magnetic attraction strip 402, a connecting shaft 403, a magnetic attraction slot 404 and a protrusion 405, the fixed plate 401 is respectively fixedly installed on both sides of the top surface of the box cover 2, a magnetic attraction strip 402 is arranged directly below the fixed plate 401, and the top of the magnetic attraction strip 402 is rotatably connected to the bottom of the fixed plate 401 The connection shaft 403, the upper part of the outer wall of the box body 1 on both sides is correspondingly provided with a magnetic attraction slot 404 that matches the magnetic attraction strip 402, and a protrusion 405 is fixedly installed in the middle of the front side of the magnetic attraction strip 402;

[0027] A handle structure 5 is provided in the middle of the top surface of the box body 1, and the handle structure 5 includes a rotating shaft 501, a pull ring 502 and a placement groove 503. The rotating shaft 501 is rotatably installed in the middle of the top surface of the box cover 2, and the pull ring 502 is installed above the rotating shaft 501. A placement groove 503 matching the size of the pull ring 502 is opened on the top of the box cover 2. An inner liner 6 is provided on one side of the inner part of the box body 1, and both sides of the outer wall of the inner liner 6 are installed with snap-fit ​​strips 601. Both sides of the inner wall of the box body 1 are opened with snap-fit ​​strips 601. The inner side of the inner liner 6 is provided with two partitions 603, and both sides of the inner wall of the inner liner 6 are provided with mounting grooves 604 that are matched with the sizes of the two ends of the partitions 603. The box body 1 and the box cover 2 are both composed of a layer structure 7, and the layer structure 7 includes an outer wall layer 701 and a thermal insulation layer 702. The outer wall layer 701 is a double-layer arrangement, and the thermal insulation layer 702 is arranged in the middle of the outer wall layer 701. The outer wall layer 701 is made of CPLA material, and the material of the thermal insulation layer 702 is polyurethane foam plastic.

[0028] How this utility works:

[0029] Refer to the instruction manual Figure 1-5For this type of lightweight CPLA lunch box with good heat preservation, when in use, the entire lunch box can be split up and down by setting the box body 1 and the box cover 2. At the same time, an inner liner 6 is installed inside the box body 1, and the inner liner 6 is detachable. Both sides of the outer wall of the inner liner 6 are installed with snap-fitting strips 601, and both sides of the inner wall of the box body 1 are provided with snap-fitting grooves 602 that are snap-fitted with the snap-fitting strips 601. Two partitions 603 are installed on one side of the inner liner 6, and both sides of the inner wall of the inner liner 6 are provided with mounting grooves 604 that are snap-fitted with the sizes of the two ends of the partition 603. This structure enables the inner liner 6 to be split and easy to install. Sealing convex strips 101 are fixedly installed around the top surface of the box body 1, and sealing grooves 102 are opened around the bottom surface of the box cover 2. The positions of the sealing convex strips 101 and the sealing grooves 102 correspond to each other. A cylindrical strip 103 is arranged on the top of the sealing convex strip 101, and the sealing groove 1 The inner top surface of 02 is provided with a cylindrical groove that is engaged with the cylindrical strip 103 at the top of the sealing convex strip 101. This structure can realize the installation and closure between the upper and lower bodies of the lunch box to avoid spillage and leakage caused by mistakes in the internal storage. The edges of the outer wall of the box cover 2 are provided with magnetic structures 4 on both sides. The magnetic structures 4 can be expanded or closed by self-pulling, which effectively enhances the tightness of the seals on both sides. The layer structure 7 of the lunch box is double-layered and has an insulating layer 702 of polyurethane foam plastic inside, which can play an effective insulation function of the lunch box. Polyurethane foam plastic is an excellent insulation material with a low thermal conductivity coefficient. It can effectively prevent the transfer of internal and external heat and keep the temperature stable. Adding a polyurethane foam plastic interlayer in the lunch box can extend the insulation time of food and make the food more delicious. The lunch box has the effect of being washable and reusable, which embodies the functions of environmental protection and safety of use.

Claims

1. A lightweight CPLA lunch box with good heat preservation, comprising a box body (1), a box cover (2), a square slot (3), a magnetic attraction structure (4), a handle structure (5), an inner liner (6) and a layer structure (7), characterized in that: A box cover (2) is arranged above the box body (1), square grooves (3) are provided on the upper sides of the outer wall of the box body (1), magnetic structures (4) are provided on the edges of the outer wall of the box cover (2), a handle structure (5) is provided in the middle of the top surface of the box body (1), an inner liner (6) is provided on one side of the interior of the box body (1), and the box body (1) and the box cover (2) are both composed of a layer structure (7).

2. A portable CPLA lunch box with good heat preservation according to claim 1, characterized in that: Sealing convex strips (101) are fixedly mounted on all four sides of the top surface of the box body (1), and sealing grooves (102) are opened on all four sides of the bottom surface of the box cover (2), and the positions of the sealing convex strips (101) and the sealing grooves (102) correspond to each other.

3. A portable CPLA lunch box with good heat preservation according to claim 2, characterized in that: A cylindrical strip (103) is arranged on the top of the sealing convex strip (101), and a cylindrical groove which is engaged and matched with the cylindrical strip (103) on the top of the sealing convex strip (101) is opened on the inner top surface of the sealing groove (102).

4. A portable CPLA lunch box with good heat preservation according to claim 1, characterized in that: The magnetic attraction structure (4) comprises a fixing plate (401), a magnetic attraction strip (402), a connecting shaft (403), a magnetic attraction groove (404) and a protrusion (405); the fixing plate (401) is fixedly mounted on both sides of the top surface of the box cover (2); a magnetic attraction strip (402) is arranged directly below the fixing plate (401); a connecting shaft (403) is rotatably connected at the connection point between the top of the magnetic attraction strip (402) and the bottom of the fixing plate (401); magnetic attraction grooves (404) magnetically matching with the magnetic attraction strip (402) are correspondingly opened on the upper sides of the outer wall of the box body (1); a protrusion (405) is fixedly mounted on the middle part of the front side of the magnetic attraction strip (402).

5. The portable CPLA lunch box with good heat preservation according to claim 1, characterized in that: The handle structure (5) comprises a rotating shaft (501), a pull ring (502) and a placement groove (503); the rotating shaft (501) is rotatably mounted on the middle of the top surface of the box cover (2); a pull ring (502) is mounted above the rotating shaft (501); and a placement groove (503) matching the size of the pull ring (502) is opened on the top of the box cover (2).

6. A portable CPLA lunch box with good heat preservation according to claim 1, characterized in that: The outer walls of the inner liner (6) are provided with snap-fitting strips (601) on both sides, the inner walls of the box body (1) are provided with snap-fitting grooves (602) that snap-fit ​​with the snap-fitting strips (601) on both sides, two partitions (603) are provided on one side of the interior of the inner liner (6), and installation grooves (604) that snap-fit ​​with the sizes of the two ends of the partitions (603) are provided on both sides of the inner walls of the inner liner (6).

7. A portable CPLA lunch box with good heat preservation according to claim 1, characterized in that: The layer structure (7) comprises an outer wall layer (701) and a heat-insulating layer (702); the outer wall layer (701) is a double-layer arrangement, and the heat-insulating layer (702) is arranged in the middle of the outer wall layer (701).

8. A light-weight CPLA lunch box with good heat preservation according to claim 7, characterized in that: The outer wall layer (701) is made of CPLA material, and the insulation layer (702) is made of polyurethane foam plastic.

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