Lunch box

Abstract

The utility model relates to the technical field of lunch boxes, and discloses a lunch box which comprises a box body assembly and a cover body assembly, a first cavity used for storing food is formed in the box body assembly, and a first opening is formed in the top end of the cavity; the cover body assembly is arranged above the box body assembly and comprises a body part, a first buckle part, a second buckle part and a handle part; the body part covers the first opening, first rotating parts are arranged at the front end and the rear end of the body part respectively, and second rotating parts are arranged at the left end and the right end of the body part respectively; the first rotating part is rotationally connected with a first buckling part, the second rotating part is rotationally connected with a second buckling part, the first buckling part is provided with a first through hole, and the second buckling part is provided with a second through hole; a first protruding block is arranged on the outer wall of the end, close to the first buckling part, of the box body assembly, and a second protruding block is arranged on the outer wall of the end, close to the second buckling part, of the box body assembly.

Description

Technical Field

[0001] This utility model relates to the field of lunch box technology, and in particular to a lunch box. Background Technology

[0002] A lunchbox is a container specifically designed for carrying and storing food, making it convenient for people to take their meals when they are out, at work, or studying.

[0003] Currently, traditional lunch boxes mainly consist of a box body and a lid. This type of lunch box simply places the lid on the box body, resulting in a relatively simple sealing structure and poor sealing performance. It cannot effectively prevent food leakage during the lunch box's rotation or carrying process. At the same time, the food inside the box is at a high temperature, and users are very likely to get burned if they directly handle the lunch box, affecting the user experience. Utility Model Content

[0004] The technical problem this invention aims to solve is that traditional lunch boxes have poor sealing performance, which cannot effectively prevent food leakage during transport. Furthermore, the food is hot, posing a risk of burns when handling the lunch box.

[0005] To address the aforementioned technical problems, this utility model provides a lunchbox, comprising a box body assembly and a lid assembly. The box body assembly has an internal first cavity for storing food, with a first opening at the top. The lid assembly is positioned above the box body assembly and includes a main body, a first latching part, a second latching part, and a handle. The main body covers the first opening to seal the first cavity. First rotating parts are located at the front and rear ends of the main body, and second rotating parts are located at the left and right ends. The first rotating parts are rotatably connected to the first latching part, and the second rotating parts are rotatably connected to the second latching part. First protrusions are located on the outer walls at the front and rear ends of the box body assembly, and second protrusions are located on the outer walls at the left and right ends of the box body assembly. The first latching part can rotate to engage with the first protrusion, and the second latching part can rotate to engage with the second protrusion. The handle is located at the end of the main body opposite to the first cavity, and is located on the outer periphery of the main body. The handle is rotatably connected to the main body, and the handle can be rotated away from the first cavity to facilitate the user's handling of the lunchbox.

[0006] In one embodiment, the cover assembly further includes a tableware storage section disposed on the main body, and the tableware storage section has a second cavity for storing tableware inside, and the second cavity has a second opening on the side opposite to the first cavity.

[0007] In one embodiment, the cover assembly further includes a flap that covers the second opening for sealing the second cavity.

[0008] In one embodiment, the inner wall of the second cavity is provided with a slot, and the flip cover is rotatably connected to the inner wall of the slot. The inner wall of the slot is provided with a snap-fit ​​protrusion. When the flip cover rotates relative to the main body to a preset position, the flip cover can be limited by the snap-fit ​​protrusion.

[0009] Furthermore, the preset position is when the flip cover is rotated to a position where the tableware can be removed from the second cavity.

[0010] Furthermore, the end of the flip cover that is away from the card slot is located at the handle.

[0011] In one embodiment, a sealing groove is provided on one side of the main body facing the first cavity, and a sealing gasket is provided in the sealing groove. The upper end of the box assembly protrudes upward to form a sealing protrusion. When the main body is covered by the first opening, the sealing protrusion can be embedded in the sealing groove and abut against the sealing gasket.

[0012] In one embodiment, the first rotating part has a first slot at each end, and the first buckling part has a first guide rod at each end. The first guide rod is inserted into the first slot and is rotatably connected to the first slot.

[0013] Furthermore, a first buckle groove is provided at the end of the first buckle part that is opposite to the first rotating part.

[0014] In one embodiment, the second rotating part has a second slot at each end, and the second buckling part has a second guide rod at each end. The second guide rod is inserted into the second slot and is rotatably connected to the second slot.

[0015] Furthermore, a second buckle groove is provided at the end of the second buckle part that is opposite to the second rotating part.

[0016] In one embodiment, the box assembly further includes a sauce container disposed at the center of the first cavity and fixedly connected to the bottom of the box assembly. A detachable sauce box is disposed inside the sauce container. The first cavity is also provided with a first partition, a second partition, and a third partition. The first and second partitions extend along the width direction of the first cavity. One end of the first and second partitions is connected to the outer wall of the sauce container, and the other end is connected to the inner wall of the box assembly. The third partition extends along the length direction of the first cavity. One end of the third partition is connected to the outer wall of the sauce container, and the other end is connected to the inner wall of the box assembly. The first, second, and third partitions divide the first cavity into multiple storage areas.

[0017] Furthermore, the first partition, the second partition, and the third partition all have clearance grooves at the ends near the sauce container.

[0018] In one embodiment, anti-slip textures are formed on the outer wall of the box assembly in a direction away from the first cavity. The anti-slip textures are arranged around the outer periphery of the box assembly, and there are multiple anti-slip textures, which are spaced apart along the height direction of the box assembly.

[0019] In one embodiment, the bottom surface of the housing assembly is provided with at least two isolation protrusions, and the end of the isolation protrusions away from the housing assembly is spaced apart from the bottom surface of the housing assembly.

[0020] Compared with the prior art, the lunch box of this utility model has the following advantages:

[0021] 1) Box body assembly: The first cavity in the box body assembly is used to store food and is the main body of the lunch box. The first opening is located at the top of the cavity for putting in and taking out food, and is also the coverage area of ​​the lid assembly. The first protrusion and the second protrusion are respectively set on the outer wall of the box body assembly near the first and second latching parts, and are used to cooperate with the first and second latching parts to fix the lid assembly; 2) Lid assembly: Used to cover the box body assembly, wherein the main body is the main part of the lid assembly, used to seal the first cavity to prevent food from leaking or being contaminated. The first rotating part and the second rotating part are respectively set at the front and rear ends of the main body, used to connect the first and second latching parts, so that they can rotate. The first and second latching parts are respectively connected to the main body through the first and second rotating parts, and can be flipped towards the first cavity to achieve a snap-fit ​​engagement with the first and second protrusions. The handle is set at the end of the main body away from the first cavity, and is rotatably connected to the main body, and can be flipped away from the first cavity. This utility model achieves a good seal for the first cavity through the cooperation of the first protrusion, the second protrusion, the first buckle, and the second buckle, effectively preventing food from leaking out of the first cavity during the carrying process. The handle design allows users to easily pick up and carry the lunch box without touching the box. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of a lunchbox structure according to an embodiment of the present utility model.

[0023] Figure 2 This is a top view of a lunchbox according to an embodiment of the present invention.

[0024] Figure 3 This is an exploded view of a lunchbox according to an embodiment of this utility model.

[0025] Figure 4 This is a front view of a lunchbox according to an embodiment of the present invention.

[0026] Figure 5 This is a schematic diagram of a lunchbox according to another embodiment of the present invention.

[0027] Figure 6 This is a schematic diagram of the first cavity in a lunchbox according to an embodiment of the present invention.

[0028] Figure 7 This is a top view of a lid assembly in a lunchbox according to an embodiment of the present invention.

[0029] Figure 8 This is a structural schematic diagram of the handle of a lunchbox in a flipped-over state according to an embodiment of the present invention.

[0030] Figure 9 This is a schematic diagram of the structure of a lunchbox in the flipped-over state according to an embodiment of the present invention.

[0031] Figure 10 This is a side view of a lunchbox according to an embodiment of the present invention.

[0032] In the diagram, 1 is the box assembly; 11 is the first cavity; 111 is the sealing protrusion; 12 is the first protrusion; 13 is the second protrusion; 14 is the sauce container; 15 is the first partition; 151 is the clearance groove; 16 is the second partition; 17 is the third partition; 18 is the anti-slip texture; and 19 is the isolation protrusion.

[0033] 2. Lid assembly; 21. Body part; 22. First snap fastener part; 221. First handle groove; 23. Second snap fastener part; 231. Second handle groove; 24. First rotating part; 25. Second rotating part; 26. Handle part; 27. Cutlery storage part; 271. Second cavity; 272. Flip lid; 273. Slot part; 274. Handle part; 28. Sealing groove. Detailed Implementation

[0034] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit its scope.

[0035] In the description of this utility model, it should be understood that when an element is referred to as "fixed to" or "set on" another element, it can be directly on or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to or indirectly connected to the other element. The terms "mounted," "connected," and "attached" should be interpreted broadly, for example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two elements or the interaction between two elements. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0036] In the description of this utility model, it should be understood that the terms "height," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," and "outer" used to indicate the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0037] In the description of this utility model, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" and "second" may explicitly or implicitly include one or more of that feature.

[0038] like Figures 1 to 10 As shown, the present invention preferably provides a lunchbox, which includes a box body assembly 1 and a lid assembly 2; the box body assembly 1 has a first cavity 11 for storing food inside, and the top of the cavity has a first opening; the lid assembly 2 is disposed above the box body assembly 1, and the lid assembly 2 includes a body part 21, a first latching part 22, a second latching part 23, and a handle part 26; the body part 21 covers the first opening to seal the first cavity 11, and the front and rear ends of the body part 21 are respectively provided with first rotating parts 24, and the left and right ends of the body part 21 are respectively provided with second rotating parts 25; the first rotating parts 24 are rotatably connected to the first... A first latching part 22 and a second rotating part 25 are rotatably connected to a second latching part 23; a first protrusion 12 is provided on the outer walls of the front and rear ends of the box assembly 1, and a second protrusion 13 is provided on the outer walls of the left and right ends of the box assembly 1; the first latching part 22 can be rotated to engage with the first protrusion 12, and the second latching part 23 can be rotated to engage with the second protrusion 13; a handle 26 is provided at the end of the main body 21 away from the first cavity 11, and the handle 26 is located on the outer periphery of the main body 21. The handle 26 is rotatably connected to the main body 21, and the handle 26 is flipped in the direction away from the first cavity 11 to facilitate the user to take the lunch box.

[0039] Based on the above technical features, this utility model embodiment, through the design of the box assembly 1, has a first cavity 11 in the box assembly 1 for storing food, which is the main body of the lunchbox. The first opening is located at the top of the first cavity 11 for putting in and taking out food, and is also the covering area of ​​the lid assembly 2. The first protrusion 12 and the second protrusion 13 are respectively provided on the outer wall of the box assembly 1 near the first latching part 22 and the second latching part 23, for cooperating with the first latching part 22 and the second latching part 23 to fix the lid assembly 2. Through the design of the lid assembly 2, the lid assembly 2 is used to cover the box assembly 1, wherein the main body part 21 is the main part of the lid assembly 2, used to seal the first cavity. The body 11 prevents food from leaking or becoming contaminated. The first rotating part 24 and the second rotating part 25 are respectively located at the front and rear ends of the body part 21, and are used to connect the first latching part 22 and the second latching part 23 so that they can rotate. The first latching part 22 and the second latching part 23 are connected to the body part 21 through the first rotating part 24 and the second rotating part 25 respectively. The first latching part 22 and the second latching part 23 are flipped toward the first cavity 11 to be engaged and fixed with the first protrusion 12 and the second protrusion 13. The handle part 26 is located at the end of the body part 21 away from the first cavity 11 and is rotatably connected to the body part 21. It can be flipped away from the first cavity 11 to facilitate the user to pick up and carry the lunch box.

[0040] As some embodiments of this utility model, such as Figure 3 As shown, the cover assembly 2 also includes a cutlery storage section 27, which is disposed on the main body 21. The cutlery storage section 27 has a second cavity 271 for storing cutlery inside, and the second cavity 271 has a second opening on the side facing away from the first cavity 11. The second cavity 271 is used to store cutlery, such as chopsticks, forks, and spoons. The cutlery is stored in the second cavity 271 of the cutlery storage section 27, making it convenient for users to take it out when needed. This allows the lunchbox to store food while simultaneously holding cutlery, eliminating the need for users to carry separate cutlery and improving the convenience of using the lunchbox.

[0041] As some embodiments of this utility model, such as Figure 3 and Figure 9 As shown, the cover assembly 2 also includes a flip cover 272, which covers the second opening to seal the second cavity 271. The flip cover 272 is used to seal the second cavity 271 to prevent tableware from falling or becoming contaminated. The user can open or close the flip cover 272 by gradually moving closer to or away from the second cavity 271 for easy access to tableware. After use, the user can flip the flip cover 272 to seal the second cavity 271 to keep the tableware storage section 27 clean.

[0042] As some embodiments of this utility model, such as Figure 3 and Figure 9As shown, the inner wall of the second cavity 271 is provided with a slot 273. The flip cover 272 is rotatably connected to the inner wall of the slot 273. The inner wall of the slot 273 is provided with a snap-fit ​​protrusion. The flip cover 272 rotates relative to the main body 21 to a preset position. The flip cover 272 can be limited by the snap-fit ​​protrusion, and the preset position is when the flip cover 272 rotates to a position where the tableware can be taken out from the second cavity 271. The slot 273 is located on the inner wall of the second cavity 271 and serves as the support point for the rotatable connection of the flip cover 272. The slot 273 is designed with a structure that can accommodate and support the rotation of the flip cover 272. Simultaneously, the inner wall is provided with a locking protrusion to limit the flip cover 272 when it rotates to a specific position. The preset position refers to the position where the flip cover 272 can be rotated to facilitate the removal or placement of tableware from the second cavity 271. When the flip cover 272 rotates to the preset position and is limited by the locking protrusion, the user can easily open the flip cover 272 to remove or place tableware from the second cavity 271. This design ensures convenient access to tableware while preventing the flip cover 272 from shaking or falling off during the opening process.

[0043] Furthermore, such as Figure 3 and Figure 9 As shown, a handle 274 is provided at the end of the flip cover 272 opposite to the slot 273. The design of the handle 274 makes it easier for users to open the flip cover 272, improving the convenience of the lunchbox. The shape and size of the handle 274 are ergonomically designed, making it comfortable and effortless for users to use.

[0044] As some embodiments of this utility model, such as Figures 1 to 9 As shown, the first rotating part 24 has first slots at both ends, and the first latching part 22 has first guide rods at both ends. The first guide rods are inserted into the first slots and are rotatably connected to the first slots. The first rotating part 24 has first slots at both ends, which are used to connect with the first guide rods of the first latching part 22, thereby realizing a rotatable connection between the two. The first latching part 22 has first guide rods at both ends, which are inserted into the first slots of the first rotating part 24 and are rotatably connected to them, thereby allowing the first latching part 22 to flip relative to the first rotating part 24.

[0045] Furthermore, such as Figure 5 As shown, the first latching part 22 has a first hand groove 221 at the end opposite to the first rotating part 24. The design of the first hand groove 221 allows the user to easily operate the first latching part 22 to flip by applying force with their fingers, thereby improving the convenience of use.

[0046] As some embodiments of this utility model, such as Figures 6 to 7As shown, a sealing groove 28 is formed on the side of the main body 21 facing the first cavity. A sealing gasket is provided inside the sealing groove 28. A sealing protrusion 111 is formed by the upper end of the housing assembly 1 protruding upward. When the main body 21 is closed on the first opening, the sealing protrusion 111 can be embedded in the sealing groove 28 and abut against the sealing gasket. When the main body 21 is closed on the first opening, the sealing protrusion 111 not only embeds in the sealing groove 28 but also abuts against the sealing gasket. In this way, the sealing gasket is compressed between the sealing protrusion 111 and the sealing groove 28, thereby forming a tight sealing interface. A sealed connection between the main body 21 and the housing assembly 1 is achieved. This sealing structure is very useful in situations where leakage prevention is required.

[0047] As some embodiments of this utility model, such as Figures 1 to 9 As shown, the second rotating part 25 has second slots at both ends, and the second latching part 23 has second guide rods at both ends. The second guide rods are inserted into the second slots and are rotatably connected to the second slots. The second slots are designed to match the shape and size of the second guide rods of the second latching part 23 to ensure a stable and smooth connection between the two. The second guide rods at both ends of the second latching part 23 are mainly used to achieve the rotatable connection between the second latching part 23 and the second rotating part 25, allowing the second latching part 23 to rotate around the central axis of the second guide rod.

[0048] Furthermore, such as Figure 5 As shown, a second hand groove 231 is provided at the end of the second latching part 23 opposite to the second rotating part 25. The design of the second hand groove 231 allows the user to easily operate the second latching part 23 to flip by applying force with their fingers, thereby improving the convenience of use.

[0049] As some embodiments of this utility model, such as Figure 7As shown, the box assembly 1 also includes a sauce container 14, which is located at the center of the first cavity 11 and is fixedly connected to the bottom of the box assembly 1. A detachable sauce box is disposed inside the sauce container 14. The first cavity 11 also includes a first partition 15, a second partition 16, and a third partition 17. The first and second partitions 15 and 16 extend along the width of the first cavity 11, with one end connected to the outer wall of the sauce container 14 and the other end connected to the inner wall of the box assembly 1. The third partition 17 extends along the length of the first cavity 11, with one end connected to the outer wall of the sauce container 14 and the other end connected to the inner wall of the box assembly 1. The first, second, and third partitions 15, 16, and 17 divide the first cavity 11 into multiple storage areas. The sauce container 14 is fixedly connected to the bottom of the box assembly 1, ensuring its stability during use. The sauce container 14 is equipped with a removable sauce box for storing sauces or other condiments, making it convenient for users to access them. A first partition 15 and a second partition 16 extend along the width of the first cavity 11, with one end connected to the outer wall of the sauce container 14 and the other end connected to the inner wall of the box assembly 1, thus dividing the first cavity 11 in the width direction. A third partition 17 is also connected, with one end connected to the outer wall of the sauce container 14 and the other end connected to the inner wall of the box assembly 1, further dividing the first cavity 11 in the length direction. Through the arrangement of the first partition 15, the second partition 16, and the third partition 17, the first cavity 11 is divided into multiple storage areas to meet the storage needs of different foods and prevent cross-contamination of flavors between different foods.

[0050] Furthermore, such as Figure 7 As shown, the first partition 15, the second partition 16, and the third partition 17 all have a clearance groove 151 at one end near the sauce container 14. The clearance groove 151 is designed to facilitate the removal and placement of the sauce container in the sauce container 14.

[0051] As some embodiments of this utility model, such as Figure 1 , Figures 6 to 7 As shown, anti-slip textures 18 protrude from the outer wall of the box assembly 1 in a direction opposite to the first cavity 11. These anti-slip textures 18 are arranged around the outer periphery of the box assembly 1, and there are multiple anti-slip textures 18 spaced apart along the height direction of the box assembly 1. The design of the anti-slip textures 18 increases the roughness of the outer wall of the box assembly 1, making it easier for users to grip and hold the box assembly 1 securely. By providing additional friction, the anti-slip textures 18 help prevent the box assembly 1 from slipping or tilting in the user's hand, thereby improving the safety of using the lunchbox.

[0052] As some embodiments of this utility model, such as Figure 5As shown, the bottom surface of the box assembly 1 is provided with at least two isolation protrusions 19, with a gap between the end of the isolation protrusion 19 away from the bottom surface of the box assembly. The main function of the isolation protrusions 19 is to prevent the temperature inside the first cavity 11 from contacting the external environment. When high-temperature or low-temperature items are placed inside the first cavity 11, the isolation protrusions 19 can reduce the transfer of heat to the external environment through the bottom of the box assembly 1, thereby maintaining a stable temperature inside the first cavity 11. At the same time, the isolation protrusions 19 can also reduce friction and wear between the box assembly 1 and the table surface to a certain extent, extending the service life of the box assembly 1.

[0053] In summary, the present invention provides a lunchbox with the following advantages compared to the prior art: 1) Box body assembly 1: The first cavity 11 in the box body assembly 1 is used to store food and is the main body of the lunchbox. The first opening is located at the top of the cavity for putting in and taking out food, and is also the covering area of ​​the lid assembly 2. The first protrusion 12 and the second protrusion 13 are respectively disposed on the outer wall of the box body assembly 1 near the first latching part 22 and the second latching part 23, for cooperating with the first latching part 22 and the second latching part 23 to fix the lid assembly 2; 2) Lid assembly 2: Used to cover the box body assembly 1, wherein the main body part 21 is the main part of the lid assembly 2 and is used to seal the first... A cavity 11 is provided to prevent food from leaking out or becoming contaminated. A first rotating part 24 and a second rotating part 25 are respectively provided at the front and rear ends of the main body 21 to connect the first latching part 22 and the second latching part 23, enabling them to rotate. The first latching part 22 and the second latching part 23 are connected to the main body 21 through the first rotating part 24 and the second rotating part 25, respectively, and can be flipped toward the first cavity 11 to achieve a snap-fit ​​engagement with the first protrusion 12 and the second protrusion 13. A handle 26 is provided at the end of the main body 21 away from the first cavity 11 and is rotatably connected to the main body 21. It can be flipped away from the first cavity 11. After the handle 26 is flipped, it is convenient for the user to take the lunch box through the handle 26. This utility model achieves a good seal for the first cavity 11 through the cooperation of the first protrusion 12, the second protrusion 13, the first buckle part 22 and the second buckle part 23, effectively preventing food from leaking out of the first cavity 11 during the carrying process. The design of the handle part 26 allows users to conveniently pick up and carry the lunch box without touching the box body.

[0054] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and substitutions can be made without departing from the technical principles of the present utility model, and these improvements and substitutions should also be considered within the protection scope of the present utility model.

Claims

1. A lunchbox, characterized in that, Includes the box assembly and the cover assembly; The box assembly has a first cavity for storing food inside, and the top of the cavity has a first opening; The cover assembly is disposed above the box assembly, and the cover assembly includes a body part, a first latching part, a second latching part, and a handle part; The main body is covered by the first opening to seal the first cavity. The front and rear ends of the main body are respectively provided with first rotating parts, and the left and right ends of the main body are respectively provided with second rotating parts. The first rotating part is rotatably connected to the first latching part, and the second rotating part is rotatably connected to the second latching part; The outer walls at the front and rear ends of the box assembly are provided with first protrusions, and the outer walls at the left and right ends of the box assembly are provided with second protrusions. The first latching part can rotate to engage with the first protrusion, and the second latching part can rotate to engage with the second protrusion; The handle is located at the end of the main body that is away from the first cavity, and the handle is located on the outer periphery of the main body. The handle is rotatably connected to the main body, and the handle is flipped in the direction away from the first cavity to facilitate the user to take the lunch box.

2. The lunchbox according to claim 1, characterized in that, The cover assembly also includes a tableware storage section, which is disposed on the main body. The tableware storage section has a second cavity for storing tableware inside, and the second cavity has a second opening on the side opposite to the first cavity.

3. The lunchbox according to claim 2, characterized in that, The cover assembly also includes a flip cover, which is disposed on the second opening to seal the second cavity.

4. The lunchbox according to claim 3, characterized in that, The inner wall of the second cavity is provided with a slot, and the flip cover is rotatably connected to the inner wall of the slot. The inner wall of the slot is provided with a snap-fit ​​protrusion. When the flip cover rotates relative to the main body to a preset position, the flip cover can be limited by the snap-fit ​​protrusion.

5. The lunchbox according to claim 4, characterized in that, A sealing groove is provided on one side of the main body facing the first cavity, and a sealing gasket is provided in the sealing groove. The upper end of the box assembly protrudes upward to form a sealing protrusion. When the main body is covered on the first opening, the sealing protrusion can be embedded in the sealing groove and abut against the sealing gasket.

6. The lunchbox according to claim 1, characterized in that, The first rotating part has a first slot at each end, and the first buckling part has a first guide rod at each end. The first guide rod is inserted into the first slot and is rotatably connected to the first slot.

7. The lunchbox according to claim 6, characterized in that, The second rotating part has a second slot at each end, and the second buckling part has a second guide rod at each end. The second guide rod is inserted into the second slot and is rotatably connected to the second slot.

8. The lunchbox according to claim 1, characterized in that, The box assembly also includes a sauce container, which is located at the center of the first cavity and is fixedly connected to the bottom of the box assembly. A detachable sauce box is provided inside the sauce container. The first cavity is also provided with a first partition, a second partition, and a third partition. The first partition and the second partition extend along the width direction of the first cavity. One end of the first partition and the second partition are connected to the outer wall of the sauce container, and the other end is connected to the inner wall of the box assembly. The third partition extends along the length direction of the first cavity. One end of the third partition is connected to the outer wall of the sauce container, and the other end is connected to the inner wall of the box assembly. The first partition, the second partition, and the third partition divide the first cavity into multiple storage areas.

9. The lunchbox according to claim 8, characterized in that, The outer wall of the box assembly has anti-slip textures protruding from the direction opposite to the first cavity. The anti-slip textures are arranged around the outer periphery of the box assembly, and there are multiple anti-slip textures, which are spaced apart along the height direction of the box assembly.

10. The lunchbox according to claim 9, characterized in that, The bottom surface of the box assembly is provided with at least two isolation protrusions, and there is a gap between the end of the isolation protrusion away from the box assembly and the bottom surface of the box assembly.

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