Antibacterial and deodorant PP preservation box
By setting through holes and film seals on the lid of the antibacterial and odor-proof PP food storage container, combined with grip strips and tear seams, the problem of the container lid being difficult to open after hot food is solved, achieving convenient opening and good sealing effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2026-03-27
AI Technical Summary
Disposable food containers can be difficult to open due to pressure changes after hot food is placed inside, affecting user experience and potentially causing food to spill.
Design an antibacterial and odor-proof PP food storage box. The lid has a through hole and is sealed with a film. The inside of the film is not easily damaged. It is provided with a grip and a tear slit for easy opening. The film can be opened by breaking the pressure difference through a tool or the tear slit.
It allows for easy opening of the lid after placing hot food inside, improving the user experience, preventing food spillage, and maintaining good sealing and safety.
Smart Images

Figure CN224045924U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the field of food preservation boxes, in particular to an antibacterial and odor-resistant PP preservation box. BACKGROUND
[0002] In daily life, disposable preservation boxes have become a common choice for people to store food due to their convenience. Whether it is for office workers to prepare lunch or for families to store leftover meals, it plays an important role. However, when people put hot food in disposable preservation boxes, a problem arises that is troubling.
[0003] When hot food is first placed in the preservation box, the internal air expands due to heat, and the air pressure rapidly increases. Over time, as the food cools down, the air in the box contracts, forming a relative negative pressure state. This results in an increase in the sealing between the lid and the body of the box, making it much more difficult to open. Many people have experienced this when using the box: they struggle to pull the lid, feeling that it is firmly sucked, and even need to use tools to open it, which not only wastes effort but also may cause the food in the box to spill out, causing unnecessary trouble.
[0004] From user feedback, this problem is common in disposable preservation boxes of various brands. Whether the preservation box is made of plastic or paper material, it is difficult to avoid the situation that the lid is not easy to open when hot food is placed in it. This not only affects the user experience, but also may make people question the practicality of disposable preservation boxes. For modern people who pursue a convenient life, such a use obstacle is undoubtedly a problem that needs to be solved urgently. Therefore, how to improve the design of disposable preservation boxes so that they can still be easily opened after placing hot food has become an important task that needs to be tackled in the industry. CONTENT OF THE UTILITY MODEL
[0005] In order to improve the problem of inconvenient opening of the lid, the application provides an antibacterial and odor-resistant PP preservation box.
[0006] The antibacterial and odor-resistant PP preservation box provided by the application adopts the following technical solution:
[0007] An antibacterial and odor-resistant PP preservation box comprises a box body and a lid, a through hole is formed in the top of the lid, the through hole is sealed by a film, and the film is located on the inner side of the lid.
[0008] By adopting the above technical solution, since the film is located on the inner side of the lid, the film is generally not easy to be touched, and the film is not easy to be damaged. In addition, the lid adopts a locally protruding middle part, and the inner side is also not easy to touch the film. When the lid is not easy to open due to pressure difference, the film can be poked by a tool (such as chopsticks) to break the pressure difference, so that the lid can be easily opened.
[0009] Optionally, a gripping piece is integrally formed on the lid.
[0010] By adopting the technical scheme, the holding piece is integrally formed on the box cover. The holding piece provides a force point for a user to open and close the preservation box, so that the operation is more convenient and labor-saving.
[0011] Optionally, a tearing seam is formed on the holding piece, and the tearing seam extends radially along the box cover.
[0012] By adopting the technical scheme, since the product is a disposable product, the box cover can be directly torn along the tearing seam in a destructive manner.
[0013] Optionally, a groove is further formed on the holding piece, the groove is formed at an end of the tearing seam, and the groove is arranged away from the center of the box cover.
[0014] By adopting the technical scheme, the groove is formed on the holding piece at the end of the tearing seam and away from the center of the box cover. The user can conveniently exert force with a finger, more accurately find the starting position of the tearing seam, and make the operation of tearing the film more smooth and easy.
[0015] Optionally, the film is connected with the box cover in a heat bonding manner.
[0016] By adopting the technical scheme, the film is connected with the box cover in a heat bonding manner. The connection manner can ensure that the film is closely attached to the box cover, and good sealing performance is guaranteed. The heat bonding manner is convenient to process, and is safer without glue.
[0017] Optionally, the hole diameter of the through hole is 10-15 mm.
[0018] By adopting the technical scheme, the diameter of the general disposable chopsticks is between 5-10 mm, so the chopsticks can be directly used to damage the film.
[0019] Optionally, the thickness of the film is 0.1 mm.
[0020] In summary, the application includes two opening manners which can facilitate the opening of the box cover. DETAILED DESCRIPTION
[0021] Figure 1 is a schematic view of the overall structure of an embodiment of the application;
[0022] Figure 2 is a schematic view of a box cover of an embodiment of the application;
[0023] Figure 3 is a longitudinal sectional view of Figure 1
[0024] Reference signs: 1, box cover; 2, holding piece; 3, tear seam; 4, groove; 5, protrusion; 6, concave annular part; 7, connecting part; 8, through hole; 9, film; 10, box body. DETAILED DESCRIPTION
[0025] The following will be described in detail in combination with the accompanying drawings. Figures 1-3 The application is further described in detail.
[0026] The application discloses an antibacterial and deodorizing PP preservation box. The preservation box is disposable, and the main body of the preservation box is formed by adding an antibacterial agent to PP material. In the product, a metal antibacterial agent is generally used. For example, a silver-based antibacterial agent and a zinc-based antibacterial agent.
[0027] Silver-based antibacterial agent: This is a kind of agent widely used in PP, for example, silver zirconium phosphate can be selected. Like nano-silver antibacterial agent, metal silver ions can effectively penetrate the cell wall of microorganisms and destroy the DNA structure, thereby achieving strong antibacterial effect. It has a good inhibitory effect on common bacteria such as Escherichia coli and Staphylococcus aureus, and has strong antibacterial durability. However, the cost of silver-based antibacterial agent is relatively high, and in some environments, silver ions may migrate, affecting its use effect and safety, so these factors need to be considered when using.
[0028] Zinc-based antibacterial agent: such as zinc oxide and zinc sulfate, which has relatively high safety. Its antibacterial principle is to react with the components in the bacterial cells to interfere with the metabolic process of the bacteria to inhibit bacterial growth. Adding zinc-based antibacterial agent to PP has relatively low cost and can be used for products that are sensitive to cost. However, its antibacterial activity is relatively weak compared to silver-based antibacterial agent, and it is not suitable for some scenarios with high antibacterial performance requirements.
[0029] The preservation box comprises a box body 10 and a box cover 1, and the box body 10 and the box cover 1 are both injection molded by using the above-mentioned antibacterial PP material. The box cover 1 comprises a central protrusion 5, an inner concave annular part 6 located at the periphery of the protrusion 5, and a connecting part 7 located at the periphery of the inner concave annular part 6. The connecting part 7, the protrusion 5, the inner concave annular part 6, and the connecting part 7 are integrally formed. The above-mentioned concave and convex are the concave-convex conditions when the box cover 1 is placed on the box body 10. In fact, since the thickness of the box cover 1 is uniform, when the inner concave part is viewed from the outside, the inner side (towards the side of the box body 10) is convex. A through hole 8 is formed in the center of the protrusion 5 of the box cover 1, and the diameter of the through hole 8 is 10-15 mm. The through hole 8 is sealed by a film 9, and the diameter of the film 9 is greater than the diameter. The thickness of the film 9 is generally about 0.1 mm, and the film 9 is located on the inner side of the box cover 1 (close to the side of the box body 10). The film 9 is also PP material. Specifically, the film 9 is connected to the box cover 1 by heat bonding.
[0030] The box cover 1 is integrally formed with a holding piece 2, the holding piece 2 is provided with a tearing seam 3, the tearing seam 3 extends along the radial direction of the box cover 1, and the holding piece 2 is also provided with a groove 4, the groove 4 is arranged at the end of the tearing seam 3, and the groove 4 is arranged away from the center of the box cover 1, and the groove 4 facilitates tearing of the tearing seam 3.
[0031] The implementation principle of the antibacterial and deodorizing PP preservation box is as follows: when the box cover 1 needs to be opened, a chopstick or the like is used to pierce the film 9; if no tool is available, the box cover 1 can be torn to be opened (the box cover 1 can be partially torn and then opened after the internal and external pressure difference is destroyed, or the box cover 1 can be entirely torn).
[0032] In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, and a particular orientation configuration and operation, therefore, it cannot be understood as a limitation on the present application. In addition, "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.
[0033] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0034] The above is only an embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation using the contents of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.
Claims
1. An antibacterial and deodorant PP preservative box comprising a box body and a box cover, characterized in that: The box cover top is provided with a through hole, and the through hole is sealed by a film.
2. The anti-bacterial and odor-resistant PP preservation box according to claim 1, characterized in that: The box cover is integrally formed with a holding piece.
3. The anti-bacterial and odor-resistant PP preservation box according to claim 2, characterized in that: The holding piece is provided with a tearing seam extending along the radial direction of the box cover.
4. The anti-bacterial and odor-resistant PP preservation box according to claim 3, characterized in that: The holding piece is further provided with a groove, and the groove is arranged at the end of the tearing seam and away from the center of the box cover.
5. The anti-bacterial and odor-resistant PP preservation box according to claim 1, characterized in that: The film is connected with the box cover by heat bonding.
6. The anti-bacterial and odor-resistant PP preservation box according to claim 1, characterized in that: The aperture of the through hole is 10-15mm.
7. The anti-bacterial and odor-resistant PP preservation box according to claim 1, characterized in that: The thickness of the film is 0.1mm.