CN210539459U

CN210539459U - Anti-turn-up structure of uncoated aluminum foil container

Info

Publication number: CN210539459U
Application number: CN201921123381.7U
Authority: CN
Inventors: 郭棋雄; 郭棋勇; 欧阳富; 赖辉颖
Original assignee: Baixian Environmental Protection Packaging Foshan Co Ltd
Current assignee: Baixian Environmental Protection Packaging Foshan Co Ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-05-19
Anticipated expiration: 2029-07-17

Abstract

The utility model discloses a turn-up structure of no coating aluminium foil container, including the lunch-box body, the lunch-box body includes circular lunch-box and square lunch-box, the edge of circular lunch-box outer wall is provided with the turn-up circle body, the lower edge 5mm department of circular lunch-box container platform is provided with L type step, first cambered surface and second cambered surface have been laid to the inside part of circular lunch-box, and the angle of first cambered surface is less than the angle of second cambered surface, the bottom of second cambered surface is provided with integrated into one piece's lunch-box bottom. The utility model discloses a turn-up design is in order to reach smooth aluminium foil container platform edge effect, realizes having the technical difficulty that can seal of wrinkle uncoated aluminium foil container, and more the positive curling aluminium foil container of tradition has promoted resistance to compression and tensile strength more than 30%, compares than the positive curling sealable aluminium foil container of coating, has reduced the material cost more than 50%, can reduce raw materials thickness more than 30% to can realize sealing simultaneously. Structural design is reasonable, and the encapsulation effect is good.

Description

Anti-turn-up structure of uncoated aluminum foil container

Technical Field

The utility model relates to an aluminium foil lunch-box technical field especially relates to a reverse hem structure of no coating aluminium foil container.

Background

The aluminum foil lunch box is widely applied to aviation food, family cooking and large-scale chain cake shops. The main application is as follows: cooking, baking, freezing, preserving and the like of food. The product has light weight and meets the national food sanitation standard. And the recovery is convenient, no harmful substances are generated in the treatment process, and the renewable resources are not polluted. The aluminum lunch box product series is more used for retail of aviation food and cake food, and has high updating speed and more consumption. Is suitable for being sold in batches. Aluminum foil lunch boxes are used in many places for cooking in cake food shops and packaging finished food. The product has wide market and wide popularization.

In view of this, chinese exterior patent application No. CN201730343232.1 discloses an aluminum lunch box (1) in 2018, 3/2, with an uneven front curled edge structure at the edge and an upward convex structure at the edge, and it can be seen with specific reference to the perspective view in the patent that the aluminum lunch box is not firm when sealed by using this structure, and the sealing (the sealing in the patent is formed by laying a plastic film on the top of the lunch box at a high temperature for sealing) has low strength, so that the sealing cover is easy to fall off, and the food in the aluminum lunch box is fast deteriorated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a reverse curling structure of an uncoated aluminum foil container.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a turn-up structure of no coating aluminium foil container, includes the lunch-box body, the lunch-box body includes circular lunch-box and square lunch-box, the edge of circular lunch-box outer wall is provided with the turn-up circle body, the lower edge 5mm department of circular lunch-box container platform is provided with L type step, first cambered surface and second cambered surface have been laid to the inside part of circular lunch-box, and the angle of first cambered surface is less than the angle of second cambered surface, the bottom of second cambered surface is provided with integrated into one piece's lunch-box end, the container platform department of circular lunch-box top is provided with integrated into one piece's lunch-box edge, the fixed closing cap that covers above the lunch-box body that is provided with on the lunch-box edge, all fixed integrated into one piece's fin that is provided with on the square lunch-box inner wall all around, it.

Furthermore, the turned edge of the reverse-turned edge ring body is smaller than the height of the round lunch box container platform, and the reverse-turned edge ring body is rolled from top to bottom and from outside to inside.

Furthermore, the container platform of lunch-box body is the planishing face.

The utility model has the advantages that:

the utility model discloses a turn-up design is in order to reach smooth aluminium foil container platform edge effect, adopt smooth lunch-box edge, and the edge of lunch-box edge outer wall is provided with the turn-up circle body, this turn-up circle body is formed to the crimping all around of lunch-box by the mould when production, make this turn-up circle body hoop around the lunch-box edge like a reinforcing bar, the packaging strength of closing cap on the lunch-box body has been improved, more traditional lunch-box of edge unevenness, the technical difficulty that can seal of wrinkle uncoated aluminium foil container has in fact, more traditional forward crimping aluminium foil container, resistance to compression and tensile strength more than 30% have been promoted, can seal the aluminium foil container and compare than the positive turn-up of coating, the material cost more than 50% has been reduced, can reduce raw materials thickness more than 30%, and can realize sealing simultaneously. Structural design is reasonable, and the encapsulation effect is good.

Drawings

FIG. 1 is a perspective view of a round lunch box with a reverse-curled structure for an uncoated aluminum foil container according to the present invention;

FIG. 2 is a front view of a round lunch box with a reverse curling structure of an uncoated aluminum foil container according to the present invention;

fig. 3 is a top view of a round lunch box with a reverse curling structure of an uncoated aluminum foil container according to the present invention;

FIG. 4 is a perspective view of a square lunch box with a reverse-curled structure of an uncoated aluminum foil container according to the present invention;

fig. 5 is a three-view diagram of the square lunch box structure of the reverse curling structure of the uncoated aluminum foil container provided by the utility model.

In the figure: the lunch box comprises a lunch box body 1, a round lunch box 2, a square lunch box 3, a lunch box edge 4, a first cambered surface 5, a second cambered surface 6, a lunch box bottom 7, an inner groove 8, a convex rib 9, a sealing cover 10, a reverse-curling ring body 11 and a step 12L.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example one

Referring to fig. 1 to 3, the reverse-curling structure of the uncoated aluminum foil container comprises a lunch box body 1, wherein the lunch box body 1 comprises a circular lunch box 2, a reverse-curling ring body 11 is arranged at the edge of the outer wall of the circular lunch box 2, an L-shaped step 12 is arranged at the position 5mm below a container platform of the circular lunch box 2 and is sufficiently compressed, double-layer support is achieved, the compressive strength of the container is improved, a first arc surface 5 and a second arc surface 6 are arranged at the inner part of the circular lunch box 2, the angle of the first arc surface 5 is smaller than that of the second arc surface 6, an integrally-formed lunch box bottom 7 is arranged at the bottom of the second arc surface 6, an integrally-formed lunch box edge 4 is arranged at the container platform above the circular lunch box 2, and a sealing cover 10 covering the upper part of the lunch box body 1 is fixedly arranged on the lunch box edge 4.

Furthermore, the turned edge of the reverse-turned edge ring body 11 is smaller than the height of the container platform of the round lunch box 2, and the reverse-turned edge ring body 11 is rolled from top to bottom and from outside to inside.

Furthermore, the container platform of the lunch box body 1 is a flat surface, the technical difficulty of sealing of the wrinkled uncoated aluminum foil container is realized, the structural design is reasonable, and the packaging effect is good.

Example two

Please refer to fig. 4 to 5 simultaneously, a reverse curling structure of a non-coating aluminum foil container comprises a lunch box body 1, wherein the lunch box body 1 comprises a square lunch box 3, a reverse curling ring body 11 is arranged at the edge of the outer wall of the square lunch box 3, an L-shaped step 12 is arranged at the position 5mm below a container platform of the square lunch box 3 and is sufficiently compressed, double-layer support is adopted to improve the compressive strength of the container, an integrally formed lunch box bottom 7 is arranged at the bottom of a side plate of the square lunch box 3, an integrally formed lunch box edge 4 is arranged at the position of the container platform above the square lunch box 3, a sealing cover 10 covering the upper part of the lunch box body 1 is fixedly arranged on the lunch box edge 4, integrally formed ribs 9 are fixedly arranged on the inner walls around the square lunch box 3, and an inner groove 8 is formed on the inner side surface of the lunch box bottom 7 of.

The working principle is as follows: when in use, the round lunch box 2 and the square lunch box 3 are integrally formed by the same die as the round lunch box 2 and the square lunch box 3 in the production process by adopting the same die as the square lunch box 3 in the shape shown in the figures 1 and 3, so that different round lunch box 2 and square lunch box 3 are manufactured, the convex rib 9 on the square lunch box 3 is designed, so that the upper part of the square lunch box 3 generates binding force, the whole strength of the lunch box body 1 is ensured, food can be better accommodated, the cambered surface structure formed by the first cambered surface 5, the second cambered surface 6 and the lunch box bottom 7 in the round lunch box 2 is prevented from generating sharp edges, the lunch box is convenient to produce and manufacture, and in the use process, people can better eat the food in the lunch box completely, hold the food in the lunch box body 1, the sealing cover 10 is sealed on the lunch box body 1 by the sealing machine, the refrigeration, the cooking and the long-term storage of the food are realized, and the edge of lunch-box marginal outer wall is provided with turn-up circle body 11, and this turn-up circle body 11 is formed to rolling pressure around to the lunch-box by the mould when production for this turn-up circle body 1 hoops around the lunch-box edge like a reinforcing bar, has improved the encapsulation intensity of closing cap on lunch-box body 1, and compared the lunch-box of edge unevenness on the tradition, owing to adopt smooth lunch-box edge 4, make the effect of encapsulation better, the open-ended condition is difficult for appearing.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The anti-curling structure of the uncoated aluminum foil container comprises a lunch box body (1) and is characterized in that the lunch box body (1) comprises a round lunch box (2) and a square lunch box (3), an anti-curling ring body (11) is arranged at the edge of the outer wall of the round lunch box (2), an L-shaped step (12) is arranged at the lower edge of a container platform of the round lunch box (2) along the position of 5mm, a first cambered surface (5) and a second cambered surface (6) are arranged at the inner part of the round lunch box (2), the angle of the first cambered surface (5) is smaller than that of the second cambered surface (6), an integrally formed lunch box bottom (7) is arranged at the bottom of the second cambered surface (6), an integrally formed lunch box edge (4) is arranged at the container platform above the round lunch box (2), a sealing cover (10) covering the upper part of the lunch box body (1) is fixedly arranged on the lunch box edge (4), the square lunch box is characterized in that integrally formed convex ribs (9) are fixedly arranged on the inner wall of the periphery of the square lunch box (3), and an inner groove (8) is formed in the inner side surface of the lunch box bottom (7) of the square lunch box (3).

2. The reverse curling structure of the uncoated aluminum foil container according to claim 1, wherein the curling of the reverse curling body (11) is smaller than the height of the container platform of the round lunch box (2), and the reverse curling body (11) is rolled from top to bottom and from outside to inside.

3. The reverse-curling structure of uncoated aluminum foil container according to claim 1, wherein the container platform of the lunch box body (1) is a flat surface.