Novel double-layer food container structure
By designing a new double-layer food container structure, the existing food packaging can have complicated molding steps, high cost, low overall strength and easy label contamination are solved, and the effects of food isolation from the outside, improving container strength and sealing and label protection are achieved.
Patent Information
- Application Number
- CN202421530454.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-07-01
AI Technical Summary
The molding steps of existing food packaging cans are cumbersome, costly, and low overall strength, which are prone to deform when falling, resulting in food deterioration; the label is susceptible to contamination and damage.
A new double-layer food container structure is designed, including a container and an outer shell, with the upper end of the container lower than the outer shell, sealed with an aluminum film, and the cover is covered on the outer shell, the film is located below the cover, and the opening on the outer shell is arranged inclined inside to increase sealing and strength.
It realizes isolation from the outside, improves the strength and sealing of the container, protects the label from contamination, and reduces production steps and costs.
Smart Images
Figure CN222683143U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of food containers, in particular to a novel double-layer food container structure. Background Art
[0002] Food packaging cans are needed in the packaging process of various dry powders, solids, nutritional supplements, health products, milk powder and other foods. Most existing food packaging cans adopt an integral structure. The can cover consists of an upper cover and a lower cover. The lower cover is fixed on the can body. The can body of the packaging can mostly needs to be formed through multiple steps. Usually, the tinplate material needs to be punched, galvanized and stamped to form the can body. After the can body is filled, the can top with aluminum film needs to be sealed at the upper opening of the can body, and the can cover is fixed on the can top. The molding steps of the above-mentioned can body are relatively cumbersome and costly. The overall strength of the can body is not high. The container is easy to deform when it falls. Severe deformation will cause the internal food to come into contact with the outside air, which is easy to deteriorate and become inedible; the label and information on the can body are all located on the outer surface of the can body, which is very susceptible to external contamination and damage. Utility Model Content
[0003] The utility model aims to provide a novel double-layer food container structure which has a reasonable and simple structure, can be used for a long time, has good container strength and sealing performance, and can protect labels from being contaminated.
[0004] The purpose of the utility model is achieved in this way:
[0005] A novel double-layer food container structure comprises a container body and a lid, wherein the container body comprises an inner container and an outer shell, a label is arranged between the inner container and the outer shell, the upper end of the inner container is lower than the upper end of the outer shell, and the upper end of the inner container is sealed with a film, the lid covers the upper end of the outer shell, and the film is located below the lid.
[0006] In the above-mentioned novel double-layer food container structure, the wall thickness width of the upper end portion of the inner container is 3-5 mm.
[0007] In the novel double-layer food container structure, the inner side surface of the opening on the outer shell is inclined upward and outward, and the inner side surface is located above the inner container.
[0008] In the above-mentioned novel double-layer food container structure, the lid includes a seat body and a flip cover, the flip cover is rotatably arranged on the seat body, the lower side of the seat body is provided with a connecting groove for being plugged into the opening on the outer shell body, the outer side of the opening on the outer shell body is provided with an annular groove, the groove wall of the connecting groove is provided with a convex ring used in conjunction with the annular groove, and the outer side of the opening on the outer shell body is provided with a guide inclined surface 1, and the lower side of the convex ring is provided with a guide inclined surface 2.
[0009] In the above-mentioned novel double-layer food container structure, a fitting slope is provided on a side of the connection groove away from the convex ring, and the fitting slope fits with the side of the upper opening of the outer shell close to the inner container.
[0010] In the above-mentioned novel double-layer food container structure, a sealing ring is formed at the upper end of the seat body, the sealing ring has a lower opening, and a supporting rib is arranged in the lower opening, and a sealing groove used in conjunction with the sealing ring is opened on the lower side of the flip cover.
[0011] In the above-mentioned novel double-layer food container structure, the outer edge of the seat body is upwardly protruded to form a limiting ring, and the limiting ring is located on the outer side of the flip cover.
[0012] In the above-mentioned new double-layer food container structure, the rear side of the seat body and the flip cover are integrally connected through a connecting piece, and a female buckle is provided on the front side of the seat body, a male buckle used in conjunction with the female buckle is provided on the flip cover, and a hand buckle portion is provided on the front side of the flip cover.
[0013] In the above-mentioned novel double-layer food container structure, the film is an aluminum film.
[0014] In the above-mentioned novel double-layer food container structure, the inner container is a PET injection molding structure, and the outer shell is a PRTG injection molding structure.
[0015] Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:
[0016] The film of the utility model covers the upper surface of the inner container, and the inner container is sealed by the film after the food is filled, so that the food in the inner container is isolated from the outside, and at the same time, a distance of 5-8mm is left between the upper end surface of the upper opening of the outer shell and the film, and at the same time, a lid is provided on the outer shell, and the gap between the lid and the film can be used to place a spoon. When filling powder food, there is no need to directly place the spoon into the container. For traditional tinplate materials, multiple steps are required to form a can body. The utility model is convenient and fast, with fewer steps, saving time and effort, and can also save costs. Specifically, the outer shell is transparent, and a label is provided between the outer shell and the inner container. The label is directly integrated with the inner container by labeling. At the same time, the inner container with the label is molded into the outer shell by secondary injection molding. The outer shell can effectively protect the label and improve the strength of the container body. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a structural diagram of the utility model.
[0018] Figure 2 It is a cross-sectional view of the utility model.
[0019] Figure 3It is an enlarged view of point A of the present utility model.
[0020] Figure 4 It is an enlarged view of point B of the present utility model.
[0021] Figure 5 It is an exploded view of the utility model.
[0022] Figure 6 It is a structural schematic diagram of the container body of the utility model.
[0023] Figure 7 It is an exploded view of the lid of the utility model.
[0024] Figure 8 It is a structural schematic diagram of a common film of the utility model.
[0025] Fig. 9 It is a structural schematic diagram of the pull ring film of the utility model.
[0026] 1-container body; 2-lid; 3-film; 4-label; 5-inner side; 11-inner container; 12-outer shell; 21-base; 22-flip cover; 23-connecting groove; 24-ring groove; 25-convex ring; 26-guide slope 1;
[0027] 27 - guide slope 2; 28 - fitting slope; 29 - sealing ring; 211 - limiting ring; 212 - hand buckle; 291 - lower opening; 292 - supporting rib; 293 - sealing groove. DETAILED DESCRIPTION
[0028] The present invention will be further described below with reference to specific embodiments of the invention:
[0029] like Figure 1-Figure 7As shown: a novel double-layer food container structure, including a container body 1 and a lid 2, the container body 1 includes an inner container 11 and an outer shell 12, a label is arranged between the inner container 11 and the outer shell 12, the labels are arranged in a circle and are located between the inner container and the outer shell, the upper end of the inner container 11 is lower than the upper end of the outer shell 12, and the upper end of the inner container 11 is sealed with a film 3, the lid 2 covers the upper end of the outer shell 12, and the film 3 is located below the lid 2. The film of the utility model covers the upper surface of the inner container, and the inner container is sealed by the film after the food is filled, and the inner container The food is isolated from the outside, and a distance of 5-8mm is left between the upper end surface of the upper opening of the outer shell and the film. At the same time, a lid is provided on the outer shell, and the gap between the lid and the film can be used to place a spoon. When filling powdered food, there is no need to place the spoon directly into the container. Specifically, the outer shell is transparent, and a label is provided between the outer shell and the inner container. The label is directly integrated with the inner container by labeling. At the same time, the inner container with the label is molded by secondary injection molding of the outer shell. The outer shell can effectively protect the label to avoid stains from contaminating the label, and the outer shell can improve the strength of the container body.
[0030] In the novel double-layer food container structure described above, the wall thickness width of the upper end portion of the inner container 11 is 3-5 mm, and preferably 3 mm. Specifically, this is to facilitate the film to cover the inner container.
[0031] In the novel double-layer food container structure, the inner side surface 5 of the opening on the outer shell 12 is tilted upward and outward, and the inner side surface 5 is located above the inner container 11. Specifically, this is to further facilitate film sealing by the film sealing device.
[0032] In the above-mentioned novel double-layer food container structure, the lid 2 includes a seat body 21 and a flip cover 22, the flip cover 22 is rotatably arranged on the seat body 21, a connecting groove 23 for plugging into the opening of the outer shell 12 is provided on the lower side of the seat body 21, an annular groove 24 is provided on the outer side of the opening of the outer shell 12, a convex ring 25 used in conjunction with the annular groove 24 is provided on the groove wall of the connecting groove 23, and a guide slope 1 26 is provided on the outer side of the opening of the outer shell 12, and a guide slope 2 27 is provided on the lower side of the convex ring 25; a fitting slope 28 is provided on a side of the connecting groove 23 away from the convex ring 25, and the fitting slope 28 is fitted with the side 5 of the upper opening of the outer shell 12 close to the inner container 11, specifically, this is to improve the tightness of the connection between the seat body and the container body, and at the same time, the fitting slope is fitted with the side 5 of the upper opening of the container body close to the inner container, so as to improve the sealing performance of the two.
[0033] In the above-mentioned novel double-layer food container structure, a sealing ring 29 is formed at the upper end of the seat body 21, and the sealing ring 29 has a lower opening 291, and a supporting rib 292 is arranged in the lower opening 291. A sealing groove 293 for use with the sealing ring 29 is provided on the lower side of the flip cover 22. Specifically, the designed supporting rib can ensure that when the seat body is connected to the container body, the fitting inclined surface will not be deformed, thereby improving the sealing effect.
[0034] In the above-mentioned novel double-layer food container structure, the outer edge of the seat body 21 is upwardly protruding to form a limit ring 211, and the limit ring 211 is located on the outside of the flip cover 22. Specifically, this is to ensure that the flip cover can accurately cover the seat body, and also to reduce the entry of dust from the gap between the flip cover and the seat body.
[0035] In the above-mentioned novel double-layer food container structure, the rear side of the seat body 21 and the flip cover 22 are integrally connected via a connecting piece, and a female buckle is provided on the front side of the seat body 21, and a male buckle used in conjunction with the female buckle is provided on the flip cover 22, and a hand buckle portion 212 is provided on the front side of the flip cover 22. Specifically, this is to facilitate opening the flip cover. At the same time, the connecting piece is designed to be integrally formed in order to reduce the number of molds and to reduce the connecting accessories between the seat body and the cover, thereby reducing production costs.
[0036] In the above-mentioned novel double-layer food container structure, the film 3 is an aluminum film, and the film can be divided into two types, one is a common film with a handle, such as Figure 8 As shown, a handle portion is provided on one side of the film; Fig. 9 As shown, the other is a pull-ring film, and when the film is an ordinary aluminum film with a handle, the lower end of the seat body does not contact the film; when the film is a pull-ring film, the lower end of the seat body contacts the edge of the film.
[0037] In the above-mentioned novel double-layer food container structure, the inner container 11 is a PET injection molding structure, and the outer shell 12 is a PRTG injection molding structure. Specifically, the outer shell is transparent as a whole, and a label is provided between the outer shell and the inner container. The label is directly attached to the inner container by labeling, and the inner container with the label attached is subjected to secondary injection molding of the outer shell. The outer shell can effectively protect the label and improve the strength of the container body, and the inner container can add masterbatch to further isolate ultraviolet rays or light to ensure the shelf life of the food in the container.
[0038] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.
Claims
1. A novel double-layer food container structure, comprising a container body (1) and a lid (2), characterized in that: The container body (1) comprises an inner container (11) and an outer shell (12), a label is arranged between the inner container (11) and the outer shell (12), the upper end of the inner container (11) is lower than the upper end of the outer shell (12), and the upper end of the inner container (11) is sealed with a film (3), the cover (2) covers the upper end of the outer shell (12), and the film (3) is located below the cover (2).
2. The novel double-layer food container structure according to claim 1 is characterized in that: The wall thickness width of the upper end portion of the inner container (11) is 3-5 mm.
3. The novel double-layer food container structure according to claim 1 or 2, characterized in that: The inner side surface (5) of the opening on the outer shell (12) is arranged to be inclined upward and outward, and the inner side surface (5) is located above the inner container (11).
4. The novel double-layer food container structure according to claim 3 is characterized in that: The cover (2) comprises a seat body (21) and a flip cover (22), wherein the flip cover (22) is rotatably arranged on the seat body (21), a connecting groove (23) for plugging into an opening on an outer shell (12) is provided on the lower side of the seat body (21), an annular groove (24) is provided on the outer side of the opening on the outer shell (12), a convex ring (25) for use with the annular groove (24) is provided on the groove wall of the connecting groove (23), a first guiding inclined surface (26) is provided on the outer side of the opening on the outer shell (12), and a second guiding inclined surface (27) is provided on the lower side of the convex ring (25).
5. The novel double-layer food container structure according to claim 4 is characterized in that: A fitting inclined surface (28) is provided on a side of the connection groove (23) away from the convex ring (25), and the fitting inclined surface (28) fits with a side of the upper opening of the outer shell (12) close to the inner container (11).
6. The novel double-layer food container structure according to claim 5 is characterized in that: A sealing ring (29) is formed at the upper end of the seat body (21), the sealing ring (29) has a lower opening (291), and a supporting rib (292) is arranged in the lower opening (291), and a sealing groove (293) used in conjunction with the sealing ring (29) is provided on the lower side of the flip cover (22).
7. The novel double-layer food container structure according to claim 6 is characterized in that: The outer edge of the seat body (21) protrudes upward to form a limiting ring (211), and the limiting ring (211) is located on the outer side of the flip cover (22).
8. The novel double-layer food container structure according to claim 7 is characterized in that: The rear side of the seat body (21) and the flip cover (22) are integrally connected via a connecting piece, a female buckle is provided on the front side of the seat body (21), a male buckle used in conjunction with the female buckle is provided on the flip cover (22), and a hand buckle portion (212) is provided on the front side of the flip cover (22).
9. The novel double-layer food container structure according to claim 8 is characterized in that: The film (3) is an aluminum film.
10. The novel double-layer food container structure according to claim 1 is characterized in that: The inner container (11) is a PET injection molding structure, and the outer shell (12) is a PRTG injection molding structure.