High-sealing rust-proof food can

Abstract

The utility model discloses a high-sealing rust-proof food can which comprises a can body, a can cover assembly is installed on the top of the can body in a threaded mode, and a covering assembly is installed on the inner wall of the can cover assembly in a threaded mode. The can cover assembly comprises a cover plate, two first shifting blocks are installed on the top of the cover plate, and a net frame, an external thread ring and a pressing ring are sequentially installed at the bottom of the cover plate from inside to outside. The drying agent bag and the modified activated carbon bag are placed in the screen frame, when the interior of the tank body is in a vacuum state, the drying agent bag and the modified activated carbon bag are placed in the screen frame, and when the interior of the tank body is in a vacuum state, the drying agent bag and the modified activated carbon bag are separated from each other, so that the drying agent bag and the modified activated carbon bag are separated from each other. The drying agent bag and the modified activated carbon bag can adsorb moisture and oxygen in the tank body, the moisture content and the oxygen content in air in the tank body can be further reduced, the interior of the food tank is in a relatively dry state, and therefore the food storage effect of the food tank is improved.

Description

Technical Field

[0001] This utility model mainly relates to the field of food can technology, specifically a highly sealed and rust-proof food can. Background Technology

[0002] Food cans are metal containers used for packaging and storing food. They are widely used for various types of food, such as canned goods, soups, juices, vegetables, meats, and other processed foods. Food cans are usually made of aluminum or steel, which effectively protect food from contamination by air, light, and microorganisms, thus extending its shelf life.

[0003] In existing technologies, in order to ensure the effectiveness of food storage in food cans, a vacuum environment is usually created by evacuating the air inside the can, which can effectively inhibit oxidation reactions and the growth of aerobic microorganisms. However, during the storage process, some foods will continuously produce internal condensation or seep water due to their own component metabolism or changes in environmental temperature and humidity. This retained water not only creates conditions for the growth of microorganisms, but may also accelerate the corrosion process of the metal can, thereby affecting food quality and safety and the integrity of the packaging container. Utility Model Content

[0004] This utility model provides a solution that is significantly different from existing technologies, addressing the problem that existing solutions are too simplistic. It mainly provides a highly sealed, rust-proof food can to solve the technical problem mentioned in the background art where condensation or seepage of water inside the food can affects the storage effect of certain foods.

[0005] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows:

[0006] A highly sealed, rust-proof food can includes a can body, a can lid assembly threadedly mounted on the top of the can body, and a lid fitting assembly threadedly mounted on the inner wall of the can lid assembly.

[0007] The can lid assembly includes a cover plate, and a mesh frame, an external threaded ring, and a pressure ring are sequentially installed on the bottom of the cover plate from the inside out.

[0008] The cover assembly includes a cover plate, and an external threaded block is installed at the bottom center of the cover plate.

[0009] More preferably, the top of the cover plate is equipped with two first actuating blocks, the inside of the tank wall is provided with a vacuum cavity, the top of the tank is provided with an annular groove, and a sealing ring is provided in the annular groove. The pressure ring and the tank form a sealing structure through the sealing ring.

[0010] More preferably, the inner wall of the tank and near the top are provided with threads, and the tank is connected to the external threaded ring thread.

[0011] More preferably, a second actuating block is installed at the top center of the cover plate, and a screw hole and an annular groove are opened in the top center of the cover plate, and the external threaded block is threadedly connected to the cover plate.

[0012] More preferably, the bottom of the cover plate is provided with a sealing ring, and the cover plate forms a sealing structure with the annular groove on the cover plate through the sealing ring.

[0013] More preferably, a circular hole is provided at the top of the cover plate and near the outer side, and a vacuum shut-off valve is installed at the circular hole at the top of the cover plate.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] This food can, through its mesh frame, lid assembly, calcium chloride desiccant pack, and modified activated carbon pack, allows for further adsorption of moisture and oxygen within the can when a vacuum is created inside. This reduces the moisture and oxygen content in the air inside the can, resulting in a dry and low-oxygen environment that reduces microbial growth and improves food storage performance.

[0016] 2. In this food can, the lid assembly, when closed with the can body, has a pressure ring inserted into the annular groove on the top of the can body and making contact with the sealing ring in the annular groove. This, combined with the external threaded ring and the threaded installation of the can body, further improves the sealing effect after the lid assembly and the can body are closed, preventing external gas or moisture from entering the can body and affecting the storage effect of the food.

[0017] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2 This is an enlarged structural diagram of the tank body of this utility model;

[0020] Figure 3 This is an enlarged structural schematic diagram of the can lid assembly of this utility model;

[0021] Figure 4 This is a fully enlarged cross-sectional structural diagram of the can lid assembly of this utility model;

[0022] Figure 5 This is an enlarged structural schematic diagram of the cover assembly of this utility model.

[0023] Numbering on the map:

[0024] 1. Tank body; 2. Tank cover assembly; 201. Cover plate; 202. First actuating block; 203. Frame; 204. External threaded ring; 205. Pressure ring; 3. Vacuum shut-off valve; 4. Cover assembly; 401. Cover plate; 402. Second actuating block; 403. External threaded block. Detailed Implementation

[0025] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, which show several embodiments of the utility model. However, the utility model can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the disclosure of the utility model more thorough and comprehensive.

[0026] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0027] Please refer to the appendix carefully. Figure 1-5 A high-sealing, rust-proof food can includes a can body 1, a can lid assembly 2 threadedly mounted on the top of the can body 1, a vacuum shut-off valve 3 mounted on the top of the can lid assembly 2, and a lid fitting assembly 4 threadedly mounted on the inner wall of the can lid assembly 2.

[0028] The can lid assembly 2 includes a cover plate 201. Two first actuating blocks 202 are installed on the top of the cover plate 201. From the inside to the outside, a mesh frame 203, an external threaded ring 204 and a pressure ring 205 are installed on the bottom of the cover plate 201.

[0029] The cover assembly 4 includes a cover plate 401, a second actuating block 402 is installed at the top center of the cover plate 401, and an external threaded block 403 is installed at the bottom center of the cover plate 401.

[0030] In this embodiment, as Figure 2 and Figure 4As shown, the can body 1 has a vacuum cavity inside its wall, and an annular groove is formed on the top of the can body 1. A sealing ring is installed in the annular groove, and a pressure ring 205 forms a sealing structure with the can body 1 through the sealing ring. The vacuum cavity inside the can body 1 divides the can wall into two layers. Utilizing the excellent heat insulation, moisture insulation, and oxygen insulation properties of vacuum, it can not only effectively slow down the rate at which food inside the can deteriorates due to heat transfer and moisture penetration, but also reduce the impact of the external environment on the food. When the can lid assembly 2 is closed with the can body 1, the pressure ring 205 is inserted into the annular groove and, together with the sealing ring in the annular groove, can improve the sealing performance of the can lid assembly 2 after it is closed with the can body 1, preventing external gases or moisture from entering the can body 1 and affecting the storage effect of the food.

[0031] In this embodiment, as Figure 2 and Figure 3 As shown, the inner wall of the can 1 and near the top are provided with threads, and the can 1 is threadedly connected to the external threaded ring 204; by raising the external threaded ring 204 and rotating the can lid assembly 2, the can lid assembly 2 can be installed with the can 1. The threaded installation of the external threaded ring 204 with the can 1 can achieve a certain degree of sealing effect, thereby improving the storage effect of food.

[0032] In this embodiment, as Figure 3 As shown, a screw hole and an annular groove are provided in the top center of the cover plate 201, and the external threaded block 403 is threadedly connected to the cover plate 201. The cover plate 401 and the external threaded block 403 can be rotated by the second actuating block 402, so as to install and remove the cover assembly 4 from the cover plate 201. Removing the cover assembly 4 from the cover plate 201 facilitates the subsequent replacement of the calcium chloride desiccant pack and modified activated carbon pack in the mesh frame 203.

[0033] In this embodiment, as Figure 3 As shown, the bottom of the cover plate 401 is provided with a sealing ring, and the cover plate 401 forms a sealing structure with the annular groove on the cover plate 201 through the sealing ring; when the cover assembly 4 is installed with the cover plate 201, the sealing ring on the cover plate 401 contacts the annular groove on the top of the cover plate 201, which can improve the sealing performance of the cover assembly 4 and the cover plate 201 after installation, and prevent external gas or moisture from entering the tank 1.

[0034] In this embodiment, as Figure 1 and Figure 3As shown, a round hole is provided on the top of the cover plate 201 near the outer side, and a vacuum shut-off valve 3 is installed at the round hole on the top of the cover plate 201; a vacuum pump can be used to extract air from the tank 1 through the vacuum shut-off valve 3, so that the tank 1 is in a vacuum state, which improves the storage effect of food using food cans. Activated carbon is modified (such as by loading metal oxides), which can actively "capture" oxygen through catalytic reactions (such as redox reactions). Calcium chloride desiccant packs rely on chemical reactions with water. As long as there is a trace amount of water vapor, the reaction can proceed, which can adsorb the moisture in the tank.

[0035] The specific operating procedure of this utility is as follows: Place the food to be stored into the can 1, then place the can lid assembly 2 on top of the can 1. Next, rotate the can lid assembly 2 by the first actuating block 202, so that the external threaded ring 204 is threadedly installed with the can 1. At the same time, the pressure ring 205 is inserted into the annular groove at the top of the can 1. When the pressure ring 205 moves down and squeezes the sealing ring in the annular groove, the can lid assembly 2 and the can 1 are closed. Then, by rotating the second actuating block 402, the cover plate 401 and the external threaded block 403 are rotated, and the cover assembly 4 is lifted off the cover plate 201. Disassemble, then place the calcium chloride desiccant pack and modified activated carbon pack into the mesh frame 203, then rotate the cover assembly 4, and thread the external threaded block 403 into the cover plate 201. The sealing ring at the bottom of the cover plate 401 contacts the annular groove at the top of the cover plate 201. Then connect the vacuum pump to the vacuum shut-off valve 3, start the vacuum pump, and draw air from the tank 1 through the vacuum shut-off valve 3. After drawing out a certain amount of air, disassemble the vacuum pump. The calcium chloride desiccant pack and modified activated carbon pack in the mesh frame 203 can adsorb moisture and oxygen in the tank 1, improving the food processing effect.

[0036] The present invention has been described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any non-substantial improvement made by adopting the inventive concept and technical solution of the present invention, or the direct application of the inventive concept and technical solution of the present invention to other occasions without modification, shall be within the protection scope of the present invention.

Claims

1. A high-seal, rust-preventive food can comprising a can body (1), characterized by: The top of the tank body (1) is threadedly mounted with a tank cover assembly (2), and the inner wall of the tank cover assembly (2) is threadedly mounted with a cover assembly (4); The tank cover assembly (2) comprises a cover plate (201), the bottom of the cover plate (201) is sequentially mounted from inside to outside with a mesh frame (203), an outer threaded ring (204) and a compression ring (205), and the inner side of the mesh frame (203) is placed with a calcium chloride desiccant bag and a modified activated carbon bag; The cover assembly (4) comprises a cover plate (401), and the bottom center of the cover plate (401) is mounted with an outer threaded block (403).

2. A high-seam, rust-resistant food can as defined in claim 1, characterized in that: The top of the cover plate (201) is mounted with two first driving blocks (202), the tank wall of the tank body (1) is internally provided with a vacuum cavity, the top of the tank body (1) is provided with an annular groove, the annular groove is provided with a sealing ring, and the compression ring (205) and the tank body (1) form a sealing structure through the sealing ring.

3. A high-seam, rust-resistant food can as defined in claim 2, wherein: The inner wall of the tank body (1) is provided with threads near the top, and the tank body (1) is threadedly connected with the outer threaded ring (204).

4. A high-seam, rust-resistant food can as defined in claim 1, wherein: The top center of the cover plate (401) is mounted with a second driving block (402), the top of the cover plate (201) is provided with a screw hole and an annular groove in the middle, and the outer threaded block (403) is threadedly connected with the cover plate (201).

5. A high-seam, rust-resistant food can as defined in claim 1, wherein: The bottom of the cover plate (201) is provided with a sealing ring, and the cover plate (201) and the annular groove on the cover plate (201) form a sealing structure through the sealing ring.

6. A high-seam, rust-resistant food can as defined in claim 1, wherein: The top of the cover plate (201) is provided with a circular hole near the outer side, and a vacuum stop valve (3) is mounted at the circular hole of the top of the cover plate (201).

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