Closure assembly and packaging container
By using the through-channel and anti-overflow groove design of the sealing component, the problems of slow heating of packaging containers and inconvenience of hot medium injection are solved, achieving rapid heating and sealing, and improving user experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGZHOU GENAN IND ROBOT CO LTD
- Filing Date
- 2025-05-21
- Publication Date
- 2026-06-02
AI Technical Summary
Existing packaging containers heat up slowly and unevenly, and it is inconvenient to inject external heat medium, which affects the taste of food and waiting time.
The design incorporates a sealing assembly, including a packaging cap and a container inner tray, with a through channel for the delivery tube. Combined with a star-shaped opening and a sealing film, it achieves rapid heating and an anti-overflow design, enhancing both sealing performance and convenience.
It improves heating efficiency, reduces waiting time, prevents food from spilling, keeps containers clean, and enhances sealing and ease of use.
Smart Images

Figure CN224312366U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of food packaging container technology, specifically relating to sealing components and packaging containers. Background Technology
[0002] Existing packaging containers typically use microwave heating, which is slow and prone to uneven heating, causing customers to wait a long time before eating and potentially affecting the taste and quality of the food. Furthermore, when attempting to introduce external heat transfer media (such as steam) to improve heating efficiency, traditional containers lack directional fluid channels, requiring customers to manually open the lid to inject the external heat transfer media. Therefore, a packaging container that addresses the shortcomings of existing technologies is needed to improve heating efficiency and facilitate the injection of external heat transfer media. Utility Model Content
[0003] In order to overcome the shortcomings of the prior art, the present invention provides a sealing assembly and a packaging container to improve the heating efficiency of the packaging container and facilitate the injection of external heat medium.
[0004] One embodiment of this utility model provides a sealing assembly, disposed on the top of the container body, comprising:
[0005] A packaging cap, wherein the packaging cap is provided with a first insertion part;
[0006] The container inner tray is snapped onto the bottom of the packaging cap. The container inner tray is provided with a protrusion. The top of the protrusion is provided with a second insertion part that is vertically corresponding to the first insertion part. The first insertion part and the second insertion part form a through channel, which is used to pass through the delivery pipe.
[0007] A cutlery tray is disposed on the packaging cap or the inner tray of the container, and the cutlery tray is used to hold dining utensils.
[0008] In one embodiment of this utility model, an anti-overflow groove is provided on the top of the boss, and the second insertion part is provided at the bottom of the anti-overflow groove. The anti-overflow groove is used to prevent the contents of the container body from overflowing into the container inner tray.
[0009] In one embodiment of this utility model, the first insertion part and the second insertion part are star-shaped openings formed by a plurality of blades. The blades extend in a crisscross pattern from the center of the star in multiple directions to form a plurality of sharp corners, and an opening for inserting the delivery tube is formed between adjacent sharp corners.
[0010] When the delivery pipe is inserted into the through channel, the first insertion part and the second insertion part can closely abut against the delivery pipe to achieve fixation.
[0011] In one embodiment of this utility model, the conveying pipe is a heat-resistant pipe, and the conveying pipe is configured to convey heating fluid into the packaging container to directly heat or assist in heating the contents inside the container body;
[0012] The heating fluid is any one of hot water, steam, or heated air.
[0013] In one embodiment of this utility model, a partition is provided inside the container tray, which divides the container tray into several compartments for placing food or serving as cutlery trays.
[0014] In one embodiment of this utility model, the opening of the container inner tray extends outward to form an inner tray edge;
[0015] The packaging cap has a cap edge, and a fastener is provided in the middle of the cap edge. The fastener presses the inner support edge tightly against the opening of the container body.
[0016] In one embodiment of this utility model, a sealing film is also provided, which covers the surface of the packaging cap and at least covers the first insertion portion.
[0017] In one embodiment of this utility model, the first insertion part is disposed at the center of the packaging cap, and the cutlery slot is located on one side of the packaging cap or the inner tray of the container.
[0018] In one embodiment of this utility model, the first insertion part is disposed at a position off-center from the packaging cap, and the cutlery slot is located at the center of the packaging cap or the inner tray of the container.
[0019] In one embodiment of this utility model, a packaging container is also provided, including a container body and a sealing assembly as described in any of the above embodiments, wherein the sealing assembly is fastened to the top of the container body; the container body is a bowl or a box.
[0020] The sealing assembly and packaging container provided by this utility model can achieve the following technical effects:
[0021] 1. By setting a through channel composed of a first insertion part and a second insertion part, a delivery pipe can be inserted, eliminating the need for diners to frequently open the lid manually. This facilitates the injection of external heat medium. Once the heat medium enters the container, it can directly contact or assist in heating the contents inside the container. Compared with traditional microwave heating, it can transfer heat to food more quickly, thereby effectively improving heating efficiency and reducing diners' waiting time.
[0022] 2. An anti-overflow groove is provided on the top of the boss, and the second insertion part is located at the bottom of the anti-overflow groove. When the contents inside the container body are impacted or shaken by heated fluid, the anti-overflow groove can play a blocking role to prevent the contents from overflowing onto the inner tray of the container and keep the packaging container clean.
[0023] 3. The cutlery slot is located on the packaging cap or the inner tray of the container, allowing diners to easily access the cutlery without affecting the normal use of the container body; the star-shaped opening design formed by several cutting edges in the first and second insertion parts ensures that the first and second insertion parts can tightly abut against the delivery tube when it is inserted into the through channel, thus achieving a fixing effect; the design of pressing the inner edge of the container inner tray against the opening of the container body through the fastener and covering the surface of the packaging cap with a sealing film can improve the sealing performance of the entire packaging container. Attached Figure Description
[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.
[0025] Figure 1 This is a schematic diagram showing the structure of a capping assembly according to one embodiment of the present invention;
[0026] Figure 2 This utility model Figure 1 A schematic diagram of the exploded structure of the sealing assembly shown;
[0027] Figure 3 This is a schematic diagram showing the structure of a capping assembly according to another embodiment of the present invention;
[0028] Figure 4 This utility model Figure 3 The exploded structure diagram of the sealing assembly is shown.
[0029] The symbols in the attached image are explained as follows:
[0030] 10-Packaging cap; 11-First insertion part; 12-Cap edge; 13-Snap fastener;
[0031] 20-Container inner tray; 21-Protrusion; 22-Second insertion part; 23-Overflow prevention groove; 24-Partition; 25-Inner tray edge; 30-Cutlery slot. Detailed Implementation
[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0033] Please refer to Figures 1-4 One embodiment of this utility model provides a sealing assembly, disposed on the top of the container body, comprising:
[0034] A packaging cap 10, wherein the packaging cap 10 is provided with a first insertion part 11;
[0035] The inner container tray 20 is snapped onto the bottom of the packaging cap 10. The inner container tray 20 is provided with a protrusion 21. The top of the protrusion 21 is provided with a second insertion part 22 that is vertically corresponding to the first insertion part 11. The first insertion part 11 and the second insertion part 22 form a through channel, which is used to pass through the conveying pipe.
[0036] A cutlery tray 30 is disposed on the packaging cap 10 or the inner tray 20 of the container, and the cutlery tray 30 is used to hold dining utensils.
[0037] Understandably, this solution provides a first insertion part 11 on the packaging cap 10 and a vertically corresponding second insertion part 22 on the protrusion 21 of the container inner tray 20 below it. These two parts form a through channel for the conveying pipe, thereby introducing the heating fluid and improving heating efficiency. Simultaneously, the utensil slot 30 provides a reasonable space for placing utensils, facilitating dining. Therefore, the packaging container with the cap of this embodiment solves the problems of slow heating, uneven heating, and inconvenience in injecting external heat medium in traditional containers, improving the user experience.
[0038] Please refer to Figure 2 , Figure 4 In one embodiment of this utility model, the top of the protrusion 21 is provided with an anti-overflow groove 23, and the second insertion part 22 is provided at the bottom of the anti-overflow groove 23. The anti-overflow groove 23 is used to prevent the contents of the container body from overflowing into the container inner tray 20.
[0039] Understandably, this solution provides an overflow groove 23 on the top of the protrusion 21 of the container inner tray 20 and places the second insertion part 22 at the bottom of the overflow groove 23. When the contents inside the container body are heated or shaken, the overflow groove 23 can prevent the contents from overflowing onto the container inner tray 20. Its beneficial effect is that it effectively avoids food waste, keeps the container inner tray 20 clean, prevents the contents from leaking and contaminating the packaging, and improves the reliability of the packaging container and user experience.
[0040] Please refer to Figure 2 , Figure 4 In one embodiment of this utility model, the first insertion part 11 and the second insertion part 22 are star-shaped openings formed by a plurality of blades. The blades extend in a crisscross pattern from the center of the star in multiple directions to form a plurality of sharp corners, and an opening for inserting the delivery tube is formed between adjacent sharp corners.
[0041] When the delivery pipe is inserted into the through channel, the first insertion part 11 and the second insertion part 22 can tightly abut against the delivery pipe to achieve fixation;
[0042] The delivery pipe is a heat-resistant pipe, and the delivery pipe is configured to deliver heating fluid into the packaging container to directly heat or assist in heating the contents inside the container body;
[0043] The heating fluid is any one of hot water, steam, or heated air.
[0044] Understandably, this solution designs the first insertion part 11 and the second insertion part 22 as star-shaped openings. By utilizing the sharp angles and openings formed by the intersection of the blades, the conveying pipe is tightly abutted and fixed when inserted into the through channel. At the same time, the conveying pipe, as a heat-resistant pipe, can transport heating fluids such as hot water, steam, or heating air into the packaging container to directly or indirectly heat the contents. Its advantages are: the star-shaped opening design can ensure the stability of the conveying pipe during the heating process, prevent loosening or displacement, and improve safety; and the selection of heat-resistant conveying pipe ensures reliable operation under high-temperature conditions, adapts to various heating fluids, and enhances the flexibility and practicality of using different heating schemes.
[0045] Please refer to Figure 2 , Figure 4 In one embodiment of this utility model, a partition 24 is provided inside the container tray 20, which divides the container tray 20 into several compartments for placing food or serving as the cutlery tray 30.
[0046] Understandably, the container tray 20 of this solution is equipped with a partition 24, which divides the container tray 20 into multiple compartments. These compartments are designed to effectively separate the food items to prevent cross-contamination of flavors or deformation during storage or transportation, thereby maintaining the quality and flavor of the food. Furthermore, the compartments can also serve as storage space for tableware, preventing collisions during movement. This solution improves the ease of use and functionality of the packaging container.
[0047] Please refer to Figure 2 , Figure 4 In one embodiment of this utility model, the inner tray 20 of the container extends outward from the opening and is provided with an inner tray edge 25;
[0048] The packaging cap 10 is provided with a cap edge 12, and a fastener 13 is provided in the middle of the cap edge 12. The fastener 13 presses the inner support edge 25 tightly at the opening of the container body.
[0049] Understandably, by pressing the inner support edge 25 into the opening of the container body through the snap fastener 13, the sealing performance between the cap assembly and the container body is enhanced, preventing leakage of contents and entry of external contaminants; and preventing the cap from loosening or falling off during transportation and use, thus ensuring the hygiene and safety of food; furthermore, the snap fastener of the cap edge 12 can accommodate manufacturing deviations within a certain range.
[0050] In one embodiment of this utility model, the packaging cap 10 is further provided with a sealing film, which covers the surface of the packaging cap 10 and at least covers the first insertion part 11, so as to keep the food in the packaging container fresh.
[0051] Understandably, this solution involves covering the surface of the packaging cap 10 with a sealing film, and at least completely covering the first insertion portion 11, thereby forming an additional sealing barrier to prevent external air from contacting the food inside the packaging container, thus effectively extending the shelf life of the food and maintaining its freshness and taste.
[0052] In this solution, common choices for sealing films include polyethylene (PE) film, which is low in cost, flexible, and moisture-proof, and suitable for general food preservation; polypropylene (PP) film, which has excellent heat resistance and is suitable for heat sealing and microwave heating scenarios; and polyester (PET) film, which has high strength and good barrier properties, and is suitable for food packaging for long-term preservation.
[0053] Understandably, when the cutlery tray 30 is placed on the packaging cap 10, the sealing film also covers the cutlery tray 30 to prevent the cutlery inside the cutlery tray 30 from being contaminated.
[0054] Please refer to Figures 1-4In one embodiment of this utility model, the first insertion part 11 is disposed at the center of the packaging cover 10, and the cutlery slot 30 is located on one side of the packaging cover 10 or the container inner tray 20.
[0055] Understandably, this solution places the first insertion part 11 at the center of the packaging cap 10, so that the conveying pipe can be inserted into the container body in the center, thereby distributing the heating fluid more evenly during heating, improving heating efficiency, ensuring that the food in each part of the container is heated evenly, and avoiding local overheating or underheating.
[0056] In one embodiment of this utility model, the first insertion part 11 is disposed at a position off-center from the packaging cover 10, and the cutlery slot 30 is located at the center of the packaging cover 10 or the container inner tray 20 (not shown).
[0057] Understandably, the cutlery slot 30 is located at the center of the packaging cap 10 or the container inner tray 20, which can make full use of the space of the packaging cap 10 to accommodate common cutlery sizes, such as chopsticks, spoons, forks and other combination cutlery.
[0058] In one embodiment of this utility model, a packaging container is also provided, including a container body and a sealing assembly as described in any of the above embodiments, wherein the sealing assembly is fastened to the top of the container body; the container body is a bowl or a box.
[0059] The packaging container of this solution can achieve the following technical effects:
[0060] 1. By setting the first insertion part 11 and the second insertion part 22 to form a through channel for passing through the delivery pipe, the diners do not need to manually open the lid frequently, which facilitates the injection of external heat medium (hot water, steam or heating air, etc.). When the heat medium enters the container, it can directly contact or assist in heating the contents inside the container. Compared with traditional microwave heating, this method can transfer heat to the food more quickly, thereby effectively improving heating efficiency and reducing the diners' waiting time.
[0061] 2. An anti-overflow groove 23 is provided on the top of the boss 21, and the second insertion part 22 is located at the bottom of the anti-overflow groove 23. When the contents inside the container body are impacted or shaken by the heated fluid, the anti-overflow groove 23 can play a blocking role to prevent the contents from overflowing onto the container inner tray 20 and keep the packaging container clean.
[0062] 3. The cutlery tray 30 is located on the packaging cap 10 or the inner tray 20 of the container, which allows diners to easily take out cutlery without affecting the normal use of the container body; and the star-shaped opening design of the first insertion part 11 and the second insertion part 22 with several blades can tightly abut against the delivery tube when the delivery tube is inserted into the through channel, so as to achieve a fixing effect; furthermore, the design of pressing the inner edge 25 of the inner tray 20 of the container body to the opening of the container body by the buckle 13 and the sealing film covering the surface of the packaging cap 10 can improve the sealing performance of the entire packaging container.
[0063] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.
Claims
1. A capping assembly disposed on the top of a container body, characterized in that, include: A packaging cap (10) is provided with a first insertion part (11); The container inner tray (20) is snapped onto the bottom of the packaging cap (10). The container inner tray (20) is provided with a boss (21). The top of the boss (21) is provided with a second insertion part (22) that is vertically corresponding to the first insertion part (11). The first insertion part (11) and the second insertion part (22) form a through channel, which is used to pass through the conveying pipe. A cutlery tray (30) is provided on the packaging cover (10) or the container inner tray (20) and is used to hold dining utensils.
2. The capping assembly as claimed in claim 1, characterized in that, An anti-overflow groove (23) is provided on the top of the boss (21), and the second insertion part (22) is provided at the bottom of the anti-overflow groove (23). The anti-overflow groove (23) is used to prevent the contents of the container body from overflowing into the container inner tray (20).
3. The capping assembly as described in claim 2, characterized in that, The first insertion part (11) and the second insertion part (22) are star-shaped openings formed by a plurality of blades. The blades extend in a crisscross pattern from the center of the star in multiple directions to form a plurality of sharp corners. An opening for inserting the delivery tube is formed between adjacent sharp corners. When the delivery pipe is inserted into the through channel, the first insertion part (11) and the second insertion part (22) can closely abut against the delivery pipe to achieve fixation.
4. The capping assembly as described in claim 3, characterized in that, The delivery pipe is a heat-resistant pipe, and the delivery pipe is configured to deliver heating fluid into the packaging container to directly heat or assist in heating the contents inside the container body; The heating fluid is any one of hot water, steam, or heated air.
5. The capping assembly as claimed in claim 1, characterized in that, The container tray (20) is provided with a partition (24) that divides the container tray (20) into several compartments, which are used to place food or serve as the cutlery tray (30).
6. The capping assembly as claimed in claim 5, characterized in that, The container inner tray (20) has an inner tray edge (25) extending outward from the opening; The packaging cap (10) is provided with a cap edge (12), and a buckle (13) is provided in the middle of the cap edge (12). The buckle (13) presses the inner support edge (25) tightly at the opening of the container body.
7. The capping assembly as described in any one of claims 1-6, characterized in that, A sealing film is also provided, which covers the surface of the packaging cap (10) and at least covers the first insertion part (11).
8. The capping assembly as claimed in claim 7, characterized in that, The first insertion part (11) is located at the center of the packaging cover (10), and the cutlery slot (30) is located on one side of the packaging cover (10) or the container inner tray (20).
9. The capping assembly as claimed in claim 7, characterized in that, The first insertion part (11) is located off-center from the packaging cap (10), and the cutlery slot (30) is located at the center of the packaging cap (10) or the container inner tray (20).
10. A packaging container, characterized in that, It includes a container body and a cap assembly as described in any one of claims 1-9, the cap assembly being fastened to the top of the container body; The main body of the container is a bowl or a box.