Disposable degradable meal box

By adopting an integrated molded biodegradable material layer and innovatively designed snaps, buckles, rings and flanges, the existing lunch boxes are not resistant to high temperatures, environmental pollution and insufficient functional functionality, and the effects of convenient assembly, anti-spraying, stable stacking and heat insulation and anti-scalding are achieved, improving the practicality and environmental protection of the lunch boxes.

CN222682940UActive Publication Date: 2025-03-28HUNAN JINGTIAN NEW MATERIAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421501082.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-28
Publication Date
2025-03-28
Estimated Expiration
2034-06-28

AI Technical Summary

Technical Problem

The existing lunch box design has problems such as being unresistant to high temperatures, environmental pollution, time-consuming assembly, easy splashing, lack of heat insulation and anti-scalding functions, and easy to pour when stacked in multiple layers.

Method used

The box cover and box body are made of an integrated molded layer of degradable material. The matching connection between the snap and buckle grooves, the clamping edge design of the cover ring and flips is designed to increase the contact area and sealing of the box cover and box body, and a paper-shaped mounting groove and a raised mounting seat are provided at the bottom of the box body for stacking, increasing stability and providing thermal insulation.

Benefits of technology

It realizes the convenient assembly, anti-spraying, stable stacking and heat insulation and anti-scalding functions of the lunch box, reduces environmental pollution, and improves the practicality and environmental protection of the lunch box.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of meal boxes, in particular to a disposable degradable meal box which comprises a box cover and a box body which are integrally formed and made of degradable material layers. The box body is provided with a buckle shaped like a Chinese character'hui ', the box cover is provided with a buckling groove, the buckle is matched with the buckling groove, the outer portion of the box cover is concavely provided with a fixing clamping groove, and the fixing clamping groove is located at the bevel edge of the box cover. A lower mounting seat is arranged at the bottom of the box body, a mounting groove which is shaped like a Chinese character'hui 'is formed in the lower mounting seat, an upper mounting seat is arranged at the top of the box cover, the upper mounting seat is in a convex mouth shape, and the upper mounting seat is matched with the mounting groove, so that upper and lower meal boxes can be conveniently stacked. The utility model provides the disposable degradable meal box which is convenient to assemble and use, convenient for placing tableware, strong in functionality and good in cover buckling stability, has an anti-spilling function, and is convenient for multi-layer stacking and distribution.
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Description

Technical Field

[0001] The utility model relates to the technical field of lunch boxes, in particular to a disposable degradable lunch box. Background Art

[0002] Disposable lunch boxes belong to a kind of disposable tableware. They have changed from foam lunch boxes to environmentally friendly lunch boxes. The original foam lunch boxes have been phased out because they are not resistant to high temperatures and the production process causes damage to the environment. Lunch boxes are not easily degradable and will have an impact on the environment.

[0003] Existing lunch boxes are generally of a split design. The split design is time-consuming during takeout packaging as assembly is required, and it is easy to splash when opening the lid. Since tableware needs to be prepared separately and there is no obvious标识 on the lunch box, there are occasional cases where merchants forget to deliver the tableware, affecting customer evaluations. The upper and lower surfaces of conventional lunch boxes are both flat structures, and they are prone to tipping during multi-layer stacking and distribution. Moreover, conventional plastic lunch boxes do not have heat insulation and anti-scalding functions, and their functionality is not strong.

[0004] Therefore, those skilled in the art have provided a disposable degradable lunch box to solve the problems raised in the above background art. Content of the Utility Model

[0005] To solve the above technical problems, the utility model provides a disposable degradable lunch box, which is convenient for assembly and use, convenient for placing tableware, has strong functionality, good buckle cover stability, has an anti-spill function, and is convenient for multi-layer stacking and distribution.

[0006] It includes a box cover and a box body integrally formed of a degradable material layer;

[0007] A buckle is provided at the free end of the box body away from the box cover, and a buckle groove is provided at the free end of the box cover away from the box body. The buckle and the buckle groove are matched. The buckle is arranged in a "one" shape, and limiting members are provided on both the upper and lower sides of the buckle. The limiting members are made of an elastic material and can be made of thermoplastic elastomer; under the action of an external force, the limiting members on both the upper and lower sides are pressed towards the buckle and inserted into the buckle groove, and the limiting members play a role in limiting and preventing detachment;

[0008] The outer part of the box cover is recessed inward to form a fixed card slot, and the fixed card slot is located at the bevel edge of the box cover; the fixed card slot is used for fixing disposable tableware;

[0009] A lower mounting seat is provided at the bottom of the box body, and an installation groove arranged in a loop shape is opened on the lower mounting seat. An upper mounting seat is provided at the top of the box cover, and the upper mounting seat is arranged in a protruding mouth shape. The upper mounting seat and the installation groove are matched, which is convenient for the stacking of upper and lower lunch boxes, increases the connection stability, and the lower mounting seat at the bottom also plays a certain heat insulation role. When eating, the box body can be held in the hand, which conforms to the eating habits of Chinese people and has the effect of heat insulation and anti-scalding.

[0010] Preferably: the degradable material layer comprises a resin layer and a degradable layer, the degradable layer is connected to the inner wall of the resin layer, an insulating layer is provided on the inner wall of the degradable layer, the degradable layer is made of corn starch, the resin layer is a PBAT resin layer, which is a biodegradable and environmentally friendly material, and the insulating layer is made of a polyethylene film to form an insulating layer on the surface.

[0011] Preferably, elastic limiting pieces are provided on both sides of the long sides of the fixed slot for fixing tableware, and the elastic limiting pieces are made of thermoplastic elastomer, which is environmentally friendly, non-toxic and low in cost.

[0012] Preferably: the elastic limiting pieces are arranged in multiple groups, taking two groups as an example, including limiting piece 1 and limiting piece 2, wherein the limiting piece 1 and limiting piece 2 are respectively arranged on opposite sides of the long side of the fixed card slot, and the limiting piece 1 and limiting piece 2 are arranged in staggered positions, and a curved channel is formed between the free ends of the limiting piece 1 and the limiting piece 2 and the staggered notches therebetween, and the disposable chopsticks are placed into the fixed card slot through the channel, and when placing them in, the limiting piece 1 and the limiting piece 2 are pressed downward to deform them, and the chopsticks are slid into the channel.

[0013] Preferably: a cover ring is externally connected to the free end of the box cover, a flange is provided at the outer periphery of the opening of the box body, the cover ring is folded inward to form an arc-shaped pressure ring, and the box cover is designed with a clamping edge between the cover ring and the flange of the box body to increase the contact area and sealing of the two, so that it is not easy to spill.

[0014] Technical effects and advantages of the utility model:

[0015] The utility model is made of a box cover and a box body through an integrally formed degradable material layer when in use. The material composition of the degradable layer, the resin layer and the thermal insulation layer is degradable when in use, which has less pollution to the environment, thereby increasing practicality and environmental protection.

[0016] The fixing slot on the lid makes it easy to fix the tableware, and the position is obvious, which serves as a strong reminder for merchants.

[0017] The matching connection between the buckle and the buckle groove, as well as the clamping edge design of the cover ring and the flange, increases the contact area and sealing between the box cover and the box body, making it difficult to spill.

[0018] The matching arrangement of the circular mounting groove on the lower mounting seat of the box body and the mouth-shaped upper mounting seat protruding on the box cover facilitates the stacking of upper and lower lunch boxes and increases stability. The bottom also acts as a heat insulator, making it easy to lift and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1It is a schematic diagram of the overall structure of a disposable degradable lunch box provided in an embodiment of the present application;

[0020] Figure 2 yes Figure 1 A partial enlarged view of part A;

[0021] Figure 3 It is a schematic diagram of the structure of the box cover provided in an embodiment of the present application;

[0022] Figure 4 It is a schematic diagram of the expansion of the disposable degradable lunch box provided in the embodiment of the present application;

[0023] Figure 5 is a cross-sectional view of a box body provided in an embodiment of the present application;

[0024] In the figure:

[0025] 1. Box cover, 2. Box body, 3. Buckle, 4. Buckle slot, 5. Limiting piece, 6. Fixed slot, 7. Lower mounting seat, 8. Mounting slot, 9. Upper mounting seat, 10. Resin layer, 11. Degradable layer, 12. Insulation layer, 13. Elastic limiting piece, 14. Limiting piece 1, 15. Limiting piece 2, 16. Cover ring, 17. Flanging. DETAILED DESCRIPTION

[0026] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific purposes.

[0027] Unless otherwise defined, the directions of up, down, left, right, front, back, inside and outside involved in this document are based on the directions of up, down, left, right, front, back, inside and outside in the figures shown in the present utility model, and are explained here together.

[0028] The connection method can be bonding, welding, bolt connection and other existing methods, depending on actual needs.

[0029] Example 1

[0030] See also Figures 1 to 5 In this embodiment, a disposable degradable lunch box is provided, including a box cover 1 and a box body 2 which are integrally formed and made of a degradable material layer.

[0031] refer to Figure 1As shown, a buckle 3 is provided at the free end of the box body 2 away from the box cover 1, and a buckle groove 4 is provided at the free end of the box cover 1 away from the box body 2. The buckle 3 and the buckle groove 4 are matched with each other. The buckle 3 is arranged in a "one" shape, and limiting members 5 are provided on the upper and lower sides of the buckle 3. The limiting members 5 are made of an elastic material and can be made of thermoplastic elastomer. Under the action of an external force, the limiting members 5 on the upper and lower sides are pressed towards the buckle 3 and inserted from the buckle groove 4, and the limiting members 5 play a role in limiting and preventing detachment.

[0032] A cover ring 16 is externally connected to the free end of the box cover 1, and a flanging 17 is provided on the outer periphery of the opening of the box body 2. The cover ring 16 is folded inward to form an arc-shaped pressing ring. The box cover 1 is designed with a snap edge between the cover ring 16 and the flanging 17 of the box body 2, increasing the contact area and sealing performance between the two, and it is not easy to spill.

[0033] Through the matching connection of the buckle 3 and the buckle groove 4, and the snap edge design of the cover ring 16 and the flanging 17, the contact area and sealing performance between the box cover 1 and the box body 2 are increased, and it is not easy to spill.

[0034] Reference Figure 3 As shown, a fixed card slot 6 is recessed inward on the outside of the box cover 1, and the fixed card slot 6 is located at the bevel edge of the box cover 1; the fixed card slot 6 is used for fixing disposable tableware. Elastic limiting pieces 13 are provided on both long sides of the fixed card slot 6 for fixing tableware. The elastic limiting pieces 13 are made of thermoplastic elastomer, which is environmentally friendly, non-toxic and low in cost.

[0035] Multiple groups of elastic limiting pieces 13 are provided. Taking two groups as an example, it includes a limiting piece one 14 and a limiting piece two 15. The limiting piece one 14 and the limiting piece two 15 are respectively arranged on the opposite long sides of the fixed card slot 6, and the limiting piece one 14 and the limiting piece two 15 are arranged in a staggered manner. A curved channel is formed between the free ends of the limiting piece one 14 and the limiting piece two 15 and the staggered notches therebetween. The disposable chopsticks are put into the fixed card slot 6 through this channel. When putting them in, the limiting piece one 14 and the limiting piece two 15 are pressed downward to cause deformation, and the chopsticks are slid into this channel.

[0036] By providing the fixed card slot 6 on the box cover 1, it is convenient to fix the tableware, and the position is obvious, which has a strong reminder effect on the merchant.

[0037] A lower mounting seat 7 is provided at the bottom of the box body 2, and a mounting groove 8 arranged in a loop shape is opened on the lower mounting seat 7. An upper mounting seat 9 is provided at the top of the box cover 1, and the upper mounting seat 9 is arranged in a convex mouth shape. The upper mounting seat 9 and the mounting groove 8 are matched with each other, which is convenient for stacking the upper and lower lunch boxes, increasing the stability of the connection. The lower mounting seat 7 at the bottom also plays a certain heat insulation role. When eating, the box body 2 can be held in the hand, which conforms to the eating habits of Chinese people and has the effect of heat insulation and anti-scalding.

[0038] The matching arrangement of the circular mounting groove 8 on the lower mounting seat 7 of the box body 2 and the mouth-shaped upper mounting seat 9 protruding on the box cover 1 facilitates the stacking of upper and lower lunch boxes and increases stability. The bottom also acts as a heat insulator, making it easy to lift and use.

[0039] refer to Figure 5 As shown, the degradable material layer includes a resin layer 10 and a degradable layer 11. The degradable layer 11 is connected to the inner wall of the resin layer 10. An insulating layer 12 is provided on the inner wall of the degradable layer 11. The degradable layer 11 is made of corn starch. The resin layer 10 is a PBAT resin layer 10, which is a biodegradable and environmentally friendly material. The insulating layer 12 is made of a polyethylene film, and the insulating layer 12 is formed on the surface.

[0040] The box cover 1 and the box body 2 are made of an integrally formed degradable material layer. When in use, the material composition of the degradable layer 11, the resin layer 10 and the thermal insulation layer 12 is degradable, which has less pollution to the environment, thereby increasing practicality and environmental friendliness.

[0041] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.

Claims

1. A disposable biodegradable lunch box, comprising a box cover (1) and a box body (2), characterized in that: The box cover (1) and the box body (2) are made of a degradable material layer in one piece; A buckle (3) is provided on the free end of the box body (2) away from the box cover (1), and a buckle groove (4) is provided on the free end of the box cover (1) away from the box body (2). The buckle (3) matches the buckle groove (4), and the buckle (3) is arranged in a "U" shape. Compressible limiting members (5) are provided on the upper and lower sides of the buckle (3); The outer portion of the box cover (1) is inwardly recessed and provided with a fixing slot (6), and the fixing slot (6) is located at the oblique edge of the box cover (1); A lower mounting seat (7) is provided at the bottom of the box body (2), and a mounting groove (8) is provided on the lower mounting seat (7). An upper mounting seat (9) is provided at the top of the box cover (1), and the upper mounting seat (9) is provided in a raised mouth shape, and the upper mounting seat (9) is matched with the mounting groove (8).

2. The disposable degradable lunch box according to claim 1, characterized in that: The degradable material layer comprises a resin layer (10) and a degradable layer (11); the degradable layer (11) is connected to the inner wall of the resin layer (10); and a heat-insulating layer (12) is provided on the inner wall of the degradable layer (11).

3. The disposable degradable lunch box according to claim 1, characterized in that: Elastic limiting pieces (13) are provided on both sides of the long sides of the fixed slot (6).

4. The disposable degradable lunch box according to claim 3, characterized in that: The elastic limiting pieces (13) are provided in two groups, and the two groups of the elastic limiting pieces (13) include limiting pieces 1 (14) and limiting pieces 2 (15). The limiting pieces 1 (14) and limiting pieces 2 (15) are respectively provided on opposite sides of the long sides of the fixed card slot (6), and the limiting pieces 1 (14) and limiting pieces 2 (15) are arranged in staggered positions, and a curved channel is formed between the free ends of the limiting pieces 1 (14) and the limiting pieces 2 (15) and the staggered notches of the two.

5. The disposable degradable lunch box according to claim 1, characterized in that: The free end of the box cover (1) is externally connected to a cover ring (16), the outer periphery of the opening of the box body (2) is provided with a flange (17), the cover ring (16) is folded inwards to form an arc-shaped pressure ring, and the box cover (1) is designed to be clamped between the cover ring (16) and the flange (17) of the box body (2).

6. The disposable degradable lunch box according to claim 3, characterized in that: The elastic limiting piece (13) is made of thermoplastic elastomer; the limiting member (5) is made of elastic material and is made of thermoplastic elastomer.

7. The disposable degradable lunch box according to claim 2, characterized in that: The degradable layer (11) is made of corn starch, the resin layer (10) is a PBAT resin layer, and the thermal insulation layer (12) is made of a polyethylene film.