Lunch box structure with high stability

The internal and external buckle design and the wide waist structure of the box body solve the problems of easy deformation and loss of fluid food in the lunch box during transportation, achieve high stability and sealing, and meet the stacking needs of various boxes.

CN223392083UActive Publication Date: 2025-09-30BEIJING WESTERN MAHUA CATERING CO LTD
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Patent Information

Application Number
CN202422987601.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-04
Publication Date
2025-09-30
Estimated Expiration
2034-12-04

AI Technical Summary

Technical Problem

The existing lunch box structure is easy to deform or fall over during transportation, especially when containing liquid food, which is easy to cause leakage and has poor stability, affecting the diner experience.

Method used

The design of internal and external buckles is adopted, combined with the wide waist ribs and bottom boss structure of the box body to increase the sealing and overall hardness of the box lid, and air holes are set on the supporting part to reduce the risk of leakage. The box lid can be recessed twice to meet the stacking needs of various boxes.

Benefits of technology

It improves the stability and sealing of the lunch box, prevents the loss of liquid food, meets the stacking needs of various boxes, and maintains air permeability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a lunch box structure with high stability, which comprises a lunch box, the lunch box is provided with a box body, the top edge of the box body extends outwards to form a box connecting part, the outer ring wall of the box connecting part is integrally connected with a convex pressing buckle part I with an inverted U-shaped section, and the outer ring wall of the box connecting part is integrally connected with a convex pressing buckle part II with an inverted U-shaped section; the inner bottom edge and the outer bottom edge of the first protruding pressing and buckling part are oppositely folded, and the outer bottom edge of the first protruding pressing and buckling part is integrally connected with a box edge part. The meal cover is provided with a cover body, the edge of the cover body is bent upwards to form a cover connecting part, the outer ring wall of the cover connecting part is integrally connected with a second protruding pressing and buckling part, and the outer bottom edge of the second protruding pressing and buckling part is integrally connected with a cover edge part. The design of the inner pressing buckle and the outer pressing buckle is adopted, the sealing degree of the box is guaranteed to the maximum degree, leakage is prevented, the falling and stacking requirements of multiple types of boxes are met through secondary concave of the box cover, and meanwhile the overall hardness of the box cover is improved.
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Description

Technical Field

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

[0002] With the rapid development of industries such as takeout and prepared foods, the demand for lunch boxes is increasing, and the requirements for their stability and other performance are also increasing. However, existing lunch boxes are mostly smooth rectangular or hemispherical structures, which are prone to deformation or tipping during transportation after food packaging. They have poor stability. If they are used to hold liquid food, some of the liquid food will be lost, causing trouble for diners. Utility Model Content

[0003] To this end, the present invention proposes a lunch box structure with high stability to solve the problems raised in the above background technology.

[0004] To achieve the above objectives, the present invention provides the following technical solutions: a lunch box structure with high stability, comprising:

[0005] A lunch box comprising a box body, wherein the top edge of the box body extends outwardly to form a box connecting portion, wherein the outer ring wall of the box connecting portion is integrally connected to a raised buckle portion having an inverted U-shaped cross section, and the inner and outer bottom edges of the raised buckle portion are folded toward each other, and the outer bottom edge of the raised buckle portion is integrally connected to a box edge portion;

[0006] and a dining cover comprising a cover body, wherein the edge of the cover body is bent upward to form a cover connecting portion, the outer ring wall of the cover connecting portion is integrally connected with a second raised buckle portion, and the outer bottom edge of the second raised buckle portion is integrally connected with a cover edge portion;

[0007] Among them, the raised buckle part 2 has the same shape as the raised buckle part 1, but the size of the raised buckle part 2 is slightly larger than the size of the raised buckle part 1, so that the raised buckle part 2 can fit tightly and be buckled on the raised buckle part 1, and the box edge and the lid edge are in fit.

[0008] Furthermore, preferably, the side walls of the box edge and the cover edge are respectively provided with a first buckle ear and a second buckle ear, and the bottom surface of the second buckle ear is raised downward to form a partition portion.

[0009] Furthermore, preferably, a protrusion is provided on the inner bottom surface of the box body to form a boss portion, and a plurality of rib portions are provided on the inner bottom surface of the box body and along the outer circumference direction of the boss portion.

[0010] Furthermore, as a preference, the cover body is provided with a raised circle-limiting portion, the inner circle wall of the raised circle-limiting portion is integrally connected with a supporting portion, and the supporting portion is provided with a concave platform portion;

[0011] The bottom of the foldable lunch box can be adapted to fit in the space formed by the supporting portion and the raised limiting ring portion.

[0012] Furthermore, preferably, a ventilation hole is provided on the supporting portion, and the ventilation hole is concave.

[0013] Furthermore, preferably, the inner side wall of the box body is provided with a plurality of wide ribs, and the top width of each wide rib is smaller than the bottom width thereof.

[0014] The present invention adopts the above technology and has the following beneficial effects compared with the existing technology:

[0015] 1. This new product uses an internal and external buckle design to ensure the sealing of the box to the greatest extent and prevent leakage. The secondary concave shape of the box lid meets the stacking requirements of various boxes and increases the overall hardness of the box lid.

[0016] 2. In this new product, the wide-ribbed waist design of the lunch box is a perfect fusion of the ruggedness of the Northwest and the modern slim waist, and the bottom closing ensures perfect lines while meeting the stacking requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural diagram of a lunch box structure with high stability;

[0018] Figure 2 The figure is a schematic diagram of the three-dimensional structure of a lunch box with high stability;

[0019] Figure 3 The figure is a schematic diagram of a top view of a lunch box structure with high stability;

[0020] Figure 4 The figure is a schematic diagram of the upward structure of a lunch box with high stability;

[0021] Figure 5 The figure is a schematic diagram of the rear view structure of a lunch box with high stability;

[0022] Figure 6 This is a schematic diagram of the three-dimensional structure of a lunch cover in a lunch box structure with high stability;

[0023] Figure 7 This is a schematic diagram of a top view of a lunch cover in a lunch box structure with high stability;

[0024] Figure 8 The figure is a schematic diagram of the rear view structure of a lunch lid in a lunch box structure with high stability.

[0025] In the figure: 1. lunch cover; 2. lunch box; 201; wide rib part; 202. box body; 203. box connecting part; 204. raised buckle part 1; 205. box edge part; 206. buckle ear 1; 207. boss part; 208. rib part; 101. partition part; 102. buckle ear 2; 103. lid body; 104. raised limiting circle part; 105. lid connecting part; 106. raised buckle part 2; 107. lid edge part; 108. recessed platform part; 109. lifting part. DETAILED DESCRIPTION

[0026] In conjunction with the drawings in the embodiments of the present invention, the technical solutions of the embodiments of the present invention will be clearly and completely described below.

[0027] Example: Please see the attached Figure 1-8 The utility model provides a technical solution: a lunch box structure with high stability, which includes:

[0028] The lunch box 2 has a square box body 202. The top edge of the box body 202 extends outward to form a box connecting portion 203. The outer wall of the box connecting portion 203 is integrally connected to a raised buckle portion 204 with an inverted "U"-shaped cross-section. The inner and outer bottom edges of the raised buckle portion 204 are folded toward each other, and the outer bottom edge of the raised buckle portion 204 is integrally connected to a box edge portion 205.

[0029] The dining cover 1 comprises a cover body 103, the edge of the cover body 103 being bent upward to form a cover connecting portion 105, the outer ring wall of the cover connecting portion 105 being integrally connected with a raised buckle portion 106, and the outer bottom edge of the raised buckle portion 106 being integrally connected with a cover edge portion 107;

[0030] The second raised buckle portion 106 has the same shape as the first raised buckle portion 204, but the size of the second raised buckle portion 106 is slightly larger than that of the first raised buckle portion 204, so that the second raised buckle portion 106 can fit snugly and buckle onto the first raised buckle portion 204, and the box edge 205 fits in place with the lid edge 107.

[0031] Specifically, this new product uses an internal and external buckle design to ensure the sealing of the box to the greatest extent and prevent leakage. The secondary concave shape of the box lid meets the stacking requirements of various boxes and increases the overall hardness of the box lid.

[0032] In this embodiment, the side walls of the box edge 205 and the cover edge 107 are respectively provided with a buckle ear 1 206 and a buckle ear 2 102 , and the bottom surface of the buckle ear 2 102 protrudes downward to form a partition portion 101 .

[0033] In this embodiment, a protrusion is provided on the inner bottom surface of the box body 202 to form a boss portion 207 , and a plurality of rib portions 208 are provided on the inner bottom surface of the box body 202 and along the outer circumference of the boss portion 207 .

[0034] In this embodiment, a raised limiting portion 104 is provided on the cover 103, the inner wall of the raised limiting portion 104 is integrally connected with a supporting portion 109, and a concave platform portion 108 is provided on the supporting portion 109;

[0035] The bottom of the foldable lunch box 2 can be adapted to fit in the space formed by the supporting portion 109 and the raised limiting ring portion 104 .

[0036] In this embodiment, a vent hole is provided on the supporting portion 109, and the vent hole is concave;

[0037] It should be noted that the concave design of the air vents minimizes the risk of leakage.

[0038] In this embodiment, the inner side wall of the box body 202 is provided with a plurality of wide ribs 201, and the top width of each wide rib 201 is smaller than the bottom width thereof;

[0039] Specifically, the wide-ribbed waist design of the lunch box is a perfect fusion of the ruggedness of the Northwest and the modern slim waist, and the bottom closing ensures perfect lines while meeting the stacking requirements.

[0040] As described above, the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A lunch box structure with high stability, characterized in that: It includes: A lunch box (2) comprising a box body (202), wherein the top edge of the box body (202) extends outwardly to form a box connecting portion (203), wherein the outer ring wall of the box connecting portion (203) is integrally connected with a raised buckle portion (204) having an inverted "U"-shaped cross section, and the inner and outer bottom edges of the raised buckle portion (204) are folded toward each other, and the outer bottom edge of the raised buckle portion (204) is integrally connected with a box edge portion (205); and a dining cover (1), comprising a cover body (103), wherein the edge of the cover body (103) is bent upward to form a cover connecting portion (105), the outer ring wall of the cover connecting portion (105) is integrally connected to a second raised buckle portion (106), and the outer bottom edge of the second raised buckle portion (106) is integrally connected to a cover edge portion (107); The second raised buckle portion (106) has the same shape as the first raised buckle portion (204), but the size of the second raised buckle portion (106) is slightly larger than the size of the first raised buckle portion (204), so that the second raised buckle portion (106) can fit tightly and buckle on the first raised buckle portion (204), and the box edge portion (205) fits with the lid edge portion (107).

2. A lunch box structure with high stability according to claim 1, characterized in that: The side walls of the box edge (205) and the cover edge (107) are respectively provided with a buckle ear 1 (206) and a buckle ear 2 (102), and the bottom surface of the buckle ear 2 (102) is convex downward to form a partition portion (101).

3. A lunch box structure with high stability according to claim 2, characterized in that: A protrusion is provided on the inner bottom surface of the box body (202) to form a boss portion (207), and a plurality of rib portions (208) are provided on the inner bottom surface of the box body (202) and along the outer circumference of the boss portion (207).

4. The lunch box structure with high stability according to claim 3, characterized in that: The cover body (103) is provided with a raised circle-limiting portion (104), the inner circle wall of the raised circle-limiting portion (104) is integrally connected with a supporting portion (109), and the supporting portion (109) is provided with a concave platform portion (108); The bottom of the foldable lunch box (2) can be adapted to fit within the space formed by the supporting portion (109) and the raised limiting ring portion (104).

5. The lunch box structure with high stability according to claim 4, characterized in that: A vent hole is provided on the supporting portion (109), and the vent hole is concave.

6. The lunch box structure with high stability according to claim 1, characterized in that: The inner side wall of the box body (202) is provided with a plurality of wide rib portions (201), and the top width of each wide rib portion (201) is smaller than the bottom width thereof.