Portable lunch box

By designing a structure in which the strip handle is rotatably connected to the box body and lid and can be detachably stored, the problem of existing lunch box handles affecting sealing and making them inconvenient to carry is solved. This achieves the effect of not reducing heat preservation performance during handling and being easy to store.

CN223799420UActive Publication Date: 2026-01-16宁波鲍伯温日用品有限公司
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Patent Information

Application Number
CN202520715373.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-16
Publication Date
2026-01-16
Estimated Expiration
2035-04-16

AI Technical Summary

Technical Problem

The handle of the existing lunch box is attached to the lid, which results in poor sealing, affects the heat preservation efficiency, and the protruding handle makes it inconvenient to carry and store.

Method used

Design a portable lunch box with a handle assembly including a soft, strip-shaped first handle and a second handle, which are rotatably connected to the box body and the lid, respectively. The ends of the handles are detachably connected and can be rotated and stored in the receiving slot to avoid taking up space.

Benefits of technology

Keep the lunchbox sealed during handling to prevent loss of heat retention, and pack it away compactly when not in use for easy carrying and storage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a portable lunch box which comprises a box body, a box cover and a handle assembly, the box body is hollow and is provided with an inner cavity, and the box body is provided with a first connecting part; the box cover is connected to the box body, and a second connecting part is arranged on the box cover; the lifting handle assembly comprises a first lifting handle and a second lifting handle which are soft and arranged in a strip shape, the first end of the first lifting handle is rotationally connected with the first connecting part, the first end of the second lifting handle is rotationally connected with the second connecting part, and the second end of the first lifting handle is detachably connected with the second end of the second lifting handle. The portable lunch box is convenient to carry and store, and the heat preservation performance of the lunch box is not affected in the lifting process.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of daily necessities, in particular to a portable lunch box. BACKGROUND

[0002] In daily life, people often use lunch boxes to hold or store food, so that the food remains fresh or is kept warm to obtain better taste. The lunch box of the related art has a structure including a box cover and a box body. The box cover is generally made of plastic by injection molding, and the box body can be made of plastic or stainless steel. In order to make the lunch box have heat preservation and sealing performance, the box cover is connected with the box body by a buckle, and a sealing ring is arranged between the box cover and the box body.

[0003] In order to facilitate carrying out, the lunch box of the related art is generally provided with a handle. For example, a Chinese patent application with publication number CN221690322U and the title of a portable heating lunch box is provided with a recess on the surface of the upper cover of the lunch box, and a handle is movably connected in the recess. In use, the user can unfold the handle from the recess to facilitate holding the lunch box and increase the convenience of carrying. When the handle is not needed, it can be folded back into the recess to keep the surface of the upper cover flat and not affect carrying or storage. For example, a Chinese patent application with publication number CN219699254U and the title of a lunch box is movably connected with a handle at the hinge between the box body and the box cover, which facilitates the user to hold the lunch box. For example, a Chinese patent application with publication number CN222031688U and the title of a lunch box is provided with a handle in the form of a strip, and the two ends of the handle are detachably connected to the top of the box cover. The handle facilitates the user to hold and pull the lunch box.

[0004] The lunch box of the above-mentioned related art generally has the following deficiencies in actual use: the handle is connected to the box cover of the lunch box, which facilitates the user to hold and take, but in the process of holding and taking, it causes the box cover and the box body to be not tightly sealed, which reduces the heat preservation efficiency of the lunch box. In addition, the handle is protrudingly arranged on the outside of the lunch box, which is not conducive to the carrying and storage of the lunch box. CONTENT OF THE UTILITY MODEL

[0005] The technical problem to be solved by the present application is to overcome the defects of the above-mentioned prior art, and to provide a portable lunch box which is not only convenient to carry and store, but also does not affect the heat preservation performance of the lunch box in the process of holding and taking.

[0006] The technical solution of the present application is to provide a portable lunch box with the following structure: comprising

[0007] a box body, the inside of which is hollow and provided with an inner cavity, and the box body is provided with a first connecting part;

[0008] a box cover connected to the box body, and the box cover is provided with a second connecting part;

[0009] The handle assembly comprises a first handle and a second handle which are soft and arranged in a band shape, a first end of the first handle is rotationally connected with the first connecting part, a first end of the second handle is rotationally connected with the second connecting part, and a second end of the first handle is detachably connected with a second end of the second handle.

[0010] In some embodiments, the box body is provided with a first accommodating groove which is concave, and after the second end of the first handle is disconnected with the second end of the second handle, the first handle can be rotationally accommodated into the first accommodating groove.

[0011] In some embodiments, the box cover is provided with a second accommodating groove which is concave, and after the second end of the second handle is disconnected with the second end of the first handle, the second handle can be rotationally accommodated into the second accommodating groove.

[0012] In some embodiments, the first connecting part is a first connecting column arranged in the first accommodating groove, the first end of the first handle is provided with a first mounting hole which is rotationally sleeved on the first connecting column, and a free end of the first connecting column is provided with a limiting column head which prevents the first mounting hole from being disconnected from the first connecting column.

[0013] In some embodiments, the second connecting part is a second connecting column arranged in the second accommodating groove, the first end of the second handle is provided with a second mounting hole which is rotationally sleeved on the second connecting column, and a free end of the second connecting column is provided with a limiting column head which prevents the second mounting hole from being disconnected from the second connecting column.

[0014] In some embodiments, the second end of the first handle is provided with a clamping hole, and the second end of the second handle is provided with a clamping block which is matched with the clamping hole.

[0015] In some embodiments, when the first handle is accommodated into the first accommodating groove, the second end of the first handle and an inner end surface of the first accommodating groove have a gap for inserting fingers; and when the second handle is accommodated into the second accommodating groove, the second end of the second handle and an inner end surface of the second accommodating groove have a gap for inserting fingers.

[0016] In some embodiments, the first accommodating groove is provided with a locking column which is matched with the clamping hole on the first handle, and when the first handle is accommodated into the first accommodating groove, the clamping hole and the locking column are matched; the second accommodating groove is provided with a locking hole which is matched with the clamping block on the second handle, and when the second handle is accommodated into the second accommodating groove, the clamping block and the locking hole are matched.

[0017] In some embodiments, one side of the box cover is rotationally connected with the box body, and the other side of the box cover is buckled with the box body.

[0018] In some embodiments, a rotating block is arranged between the box cover and the box body, the lower end of the rotating block is rotationally connected with the box body, and the upper end of the rotating block is rotationally connected with the box cover.

[0019] In summary, the portable lunch box has the following advantages compared with the prior art: the handle assembly of the portable lunch box includes soft and belt-shaped first and second handles, the first handle is rotationally connected with the first connecting part of the box body, the second handle is rotationally connected with the second connecting part of the box cover, and the second end of the first handle is detachably connected with the second end of the second handle; therefore, when the second end of the first handle is connected with the second end of the second handle, the first and second handles form a ring-shaped or closed handle assembly to facilitate the user to carry the lunch box, and the lunch box is convenient to carry; in addition, when the second end of the first handle is disconnected from the second end of the second handle, the first and second handles can be independently rotated to a suitable position for storage, without occupying the space of the lunch box and affecting the storage and placement of the lunch box; furthermore, the first and second handles are connected with the box body and the box cover respectively, and during the process of being carried by the user after the second end of the first handle is connected with the second end of the second handle, the pulling force is dispersed on the box body and the box cover, so that the box cover and the box body are not easily separated, and the heat preservation performance of the lunch box is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structural schematic diagram of a portable lunch box.

[0021] Figure 2 is a structural schematic diagram of the bottom of a portable lunch box.

[0022] Figure 3 is a sectional structural schematic diagram of a portable lunch box.

[0023] Figure 4 is a schematic diagram of the connection state of the first handle and the second handle of a portable lunch box.

[0024] Figure 5 is a schematic diagram of the disconnection state of the first handle and the second handle of a portable lunch box.

[0025] Figure 6 is another angle structural schematic diagram of a portable lunch box.

[0026] BRIEF DESCRIPTION OF DRAWINGS

[0027] 1, box body, 100, first connecting part, 101, first accommodating groove, 102, lock post, 2, box cover, 200, second connecting part, 201, second accommodating groove, 202, lock hole, 3, first handle, 300, first mounting hole, 301, clamping hole, 4, second handle, 400, second mounting hole, 401, clamping block, 5, gap, 6, rotating block, 7, elastic buckle. DETAILED DESCRIPTION

[0028] The application will be further described below in conjunction with the drawings and specific embodiments.

[0029] In the description of the embodiments of the application, it should be understood that the terms "transverse", "longitudinal", "width", "thickness", "upper", "lower", "front", "rear", "vertical", "top", "bottom" and the like indicate the orientation or positional relationship shown in the drawings based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the application.

[0030] In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the application, unless otherwise specified, the meaning of "a plurality of" is two or more, unless otherwise explicitly limited.

[0031] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be directly connected, or indirectly connected through an intermediate medium, can be the communication between the two elements inside. 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.

[0032] Reference Figures 1-6As shown in the drawings; the portable lunch box of the present application is used for food material heat preservation and food serving, etc., and the structure comprises a box body 1, a box cover 2 arranged on the top of the box body 1, the box body 1 is hollow inside and has a cavity for food serving, one side of the box cover 2 is rotatably connected with the box body 1, and the other side of the box cover 2 is buckled with the box body 1, and the box cover 2 and the box body 1 are sealingly matched through a sealing ring or a sealing structure. Specifically, a rotating block 6 is arranged between the box cover 2 and the box body 1, the rotating block 6 is arranged along the length direction of the box body 1, the lower end of the rotating block 6 is rotatably connected with the box body 1, and the upper end of the rotating block 6 is rotatably connected with the box cover 2; the side of the box cover 2 away from the rotating block 6 is connected with an elastic buckle 7, and the corresponding position of the box body 1 is provided with a clamping portion or a clamping plate for clamping the elastic buckle 7.

[0033] In the present embodiment, in order to make the whole lunch box more simple and convenient for storage, a lower notch is arranged on the box body 1 at one side of the rotating block 6, and an upper notch is arranged on the box cover 2, the lower part of the rotating block 6 is arranged in the lower notch, the upper part of the rotating block 6 is arranged in the upper notch, and the lower part of the rotating block 6 is rotatably connected with the lower notch through a rotating shaft, and the upper part of the rotating block 6 is rotatably connected with the upper notch through a rotating shaft, and the rotating block 6 is completely arranged in the notch surrounded by the upper notch and the lower notch.

[0034] In order to facilitate the carrying and lifting of the lunch box, a handle assembly is connected to the lunch box, specifically, referring to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , the handle assembly comprises a first handle 3 and a second handle 4 which are soft and arranged in a belt shape, specifically, the first handle 3 and the second handle 4 can be made of rubber or silicone material, which is soft and elastic. The box body 1 of the lunch box is provided with a first connecting portion 100, and the box cover 2 is provided with a second connecting portion 200; the first end of the first handle 3 is rotatably connected with the first connecting portion 100, the first end of the second handle 4 is rotatably connected with the second connecting portion 200, and the second end of the first handle 3 and the second end of the second handle 4 are detachably connected. When the handle assembly is used, the second end of the first handle 3 and the second end of the second handle 4 can be connected together to form a ring-shaped or closed handle assembly, which is convenient for users to lift and makes the lunch box convenient to carry.

[0035] It can be understood that, compared with the lunch box in which the handle is arranged only on the box cover 2, the lunch box of the above-mentioned embodiment has the first handle 3 and the second handle 4 connected with the box body 1 and the box cover 2 respectively, and in the process of lifting after the second end of the first handle 3 and the second end of the second handle 4 are connected, the pulling force is dispersed on the box body 1 and the box cover 2, which is not easy to separate the box cover 2 from the box body 1, and will not affect the heat preservation performance of the lunch box.

[0036] In the present embodiment, when the lunch box is not used or stored, the second end of the first handle 3 can be disconnected from the second end of the second handle 4, and then the first handle 3 and the second handle 4 are respectively rotated to the storable positions, so as not to occupy the space on the surface of the lunch box, thereby not affecting the storage and placement of the lunch box. Specifically, referring to Figure 1 and Figure 2 , the bottom of the box body 1 is provided with a first accommodating groove 101 recessed in the width direction, and after the second end of the first handle 3 is disconnected from the second end of the second handle 4, the first handle 3 can be rotated and stored in the first accommodating groove 101. Similarly, the top of the box cover 2 is provided with a second accommodating groove 201 recessed in the width direction, and after the second end of the second handle 4 is disconnected from the second end of the first handle 3, the second handle 4 can be rotated and stored in the second accommodating groove 201. In the present embodiment, the first accommodating groove 101 and the second accommodating groove 201 are symmetrically arranged about the thickness direction of the lunch box, and are located on the same side of the lunch box. The lengths of the first handle 3 and the second handle 4 are preferably closed to each other, that is, the second end of the first handle 3 and the second end of the second handle 4 can be connected together to form a ring-shaped or closed handle structure. It can be understood that the depths of the first accommodating groove 101 and the second accommodating groove 201 are preferably capable of accommodating the first handle 3 and the second handle 4, so that when the first handle 3 and the second handle 4 are stored in the accommodating grooves, the outer surfaces thereof are flush with or slightly lower than the surface of the lunch box.

[0037] In order to facilitate the first handle 3 to rotate out of the first accommodating groove 101 and the second handle 4 to rotate out of the second accommodating groove 201, in the present embodiment, referring to Figure 1 and Figure 2 , when the first handle 3 is stored in the first accommodating groove 101, the second end of the first handle 3 and the inner end face of the first accommodating groove 101 have a gap 5 for inserting fingers; and when the second handle 4 is stored in the second accommodating groove 201, the second end of the second handle 4 and the inner end face of the second accommodating groove 201 have a gap 5 for inserting fingers. That is, the length of the first handle 3 is less than the length of the first accommodating groove 101, and the length of the second handle 4 is less than the length of the second accommodating groove 201, so that when the handle is stored in the accommodating groove, a gap 5 is formed at the end of the accommodating groove away from the connecting portion, facilitating the user's fingers to rotate the handle out of the accommodating groove.

[0038] The first end of the first handle 3 is rotationally connected with the first connecting portion 100, and the first end of the second handle 4 is rotationally connected with the second connecting portion 200. Specifically, in the present embodiment, referring to Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, the first connecting part 100 is a first connecting column arranged in the first accommodating groove 101 of the box body 1, the first end of the first handle 3 is provided with a first mounting hole 300, the first mounting hole 300 is rotatably sleeved on the first connecting column, and the free end of the first connecting column is provided with a limiting column head for preventing the first mounting hole 300 from being separated from the first connecting column. Similarly, the second connecting part 200 is a second connecting column arranged in the second accommodating groove 201 of the box cover 2, the first end of the second handle 4 is provided with a second mounting hole 400, the second mounting hole 400 is rotatably sleeved on the second connecting column, and the free end of the second connecting column is provided with a limiting column head for preventing the second mounting hole 400 from being separated from the second connecting column. The limiting column head and the connecting column are integrally formed, when the mounting hole on the handle is sleeved on the connecting column, the limiting column head can prevent the handle from being separated from the connecting column; in this way, the first handle 3 and the second handle 4 are conveniently rotatably accommodated in the accommodating groove, and the connecting structure of the handle makes the handle connection stable, firm and not easy to fall off.

[0039] In other embodiments, the first connecting part 100 on the box body 1 can also be a hanging hole arranged on the box body 1, a hanging column is arranged at the first end of the first handle 3, and the hanging column is hung or inserted in the hanging hole; similarly, the second connecting part 200 on the box cover 2 can also be a hanging hole arranged on the box cover 2, a hanging column is arranged at the first end of the second handle 4, and the hanging column is hung or inserted in the hanging hole; or the first connecting part 100 on the box body 1 and the second connecting part 200 on the box cover 2 can also be a connecting buckle, for example, a recess is arranged on the box cover 2, connecting columns are connected to the two opposite inner walls of the recess, the first end of the handle passes around the connecting column and is wrapped on the connecting column, and the handle can rotate circumferentially around the connecting column.

[0040] In this embodiment, the second end of the first handle 3 and the second end of the second handle 4 are detachably connected, specifically, as shown in Figure 4 , Figure 5 and Figure 6 , a clamping hole 301 is arranged at the second end of the first handle 3, and a clamping block 401 matched with the clamping hole 301 is arranged at the second end of the second handle 4. When the second end of the first handle 3 and the second end of the second handle 4 are connected, the first handle 3 and the second handle 4 are first rotated to be consistent with the length direction of the lunch box, at this time, the second end of the first handle 3 and the second end of the second handle 4 are both outwardly extended from the lunch box, then the second end of the first handle 3 and the second end of the second handle 4 are both bent and overlapped towards each other, and the clamping block 401 on the second handle 4 is clamped in the clamping hole 301 of the first handle 3, which is simple in structure and simple and convenient in connection and disconnection. In order to make the connection of the second end of the first handle 3 and the second end of the second handle 4 more firm and stable, the clamping block 401 and the clamping hole 301 are both provided with two, and in other embodiments, the number of the clamping block 401 and the clamping hole 301 can also be three respectively.

[0041] In other embodiments, the card block 401 can also be arranged at the second end of the first handle 3, and the card hole 301 can also be arranged at the second end of the second handle 4, which can be arranged as required.

[0042] In addition to the card connection of the card block 401 and the card hole 301 enabling the second end of the first handle 3 and the second end of the second handle 4 to be detachably connected, in other embodiments, other detachable connection structures such as male and female buckles, lock buckles, etc. can also be provided.

[0043] It can be understood that when the handle is accommodated in the accommodating groove, especially when the handle is made of soft material, there is a certain probability that the handle will be separated from the accommodating groove when the lunch box is carried, which will bring inconvenience to carrying or accommodation. Therefore, in the present embodiment, as shown in Figure 3 、 Figure 4 、 Figure 5 and Figure 6 , a lock column 102 for the card hole 301 on the first handle 3 is arranged in the first accommodating groove 101, and when the first handle 3 is accommodated in the first accommodating groove 101, the card hole 301 on the first handle 3 can be connected and matched with the lock column 102, so as to prevent the first handle 3 from being separated from the first accommodating groove 101, and make the first handle 3 more stable in the accommodated state. Similarly, a lock hole 202 for the card block 401 on the second handle 4 is arranged in the second accommodating groove 201, and when the second handle 4 is accommodated in the second accommodating groove 201, the card block 401 on the second handle 4 can be connected and matched with the lock hole 202 in the second accommodating groove 201, so as to prevent the second handle 4 from being separated from the second accommodating groove 201, and make the second handle 4 more stable in the accommodated state.

[0044] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0045] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A portable lunch box, characterized by: The utility model relates to a box body, a box cover and a handle assembly The box body is internally hollowed to have an inner cavity, and a first connecting part is arranged on the box body The box cover is connected to the box body, and a second connecting part is arranged on the box cover The handle assembly comprises a first handle and a second handle which are soft and in the form of a strip, the first end of the first handle is rotationally connected to the first connecting part, the first end of the second handle is rotationally connected to the second connecting part, and the second end of the first handle is detachably connected to the second end of the second handle 2. The portable lunch box according to claim 1, characterized by: The bottom of the box body is provided with a concave first accommodating groove, and after the second end of the first handle is disconnected from the second end of the second handle, the first handle can be rotationally accommodated in the first accommodating groove 3. The portable lunch box according to claim 2, characterized by: The top of the box cover is provided with a concave second accommodating groove, and after the second end of the second handle is disconnected from the second end of the first handle, the second handle can be rotationally accommodated in the second accommodating groove 4. The portable lunch box according to claim 2, characterized by: The first connecting part is a first connecting column arranged in the first accommodating groove, the first end of the first handle is provided with a first mounting hole, the first mounting hole is rotationally sleeved on the first connecting column, and the free end of the first connecting column is provided with a limiting column head for preventing the first mounting hole from being disconnected from the first connecting column 5. The portable lunch box according to claim 3, characterized by: The second connecting part is a second connecting column arranged in the second accommodating groove, the first end of the second handle is provided with a second mounting hole, the second mounting hole is rotationally sleeved on the second connecting column, and the free end of the second connecting column is provided with a limiting column head for preventing the second mounting hole from being disconnected from the second connecting column 6. The portable lunch box according to claim 3, wherein: The second end of the first handle is provided with a clamping hole, and the second end of the second handle is provided with a clamping block matched with the clamping hole 7. The portable lunch box according to claim 3, characterized by: When the first handle is accommodated in the first accommodating groove, a gap is formed between the second end of the first handle and the inner end face of the first accommodating groove for inserting a finger; and when the second handle is accommodated in the second accommodating groove, a gap is formed between the second end of the second handle and the inner end face of the second accommodating groove for inserting a finger 8. The portable lunch box according to claim 6, characterized by: The first accommodating groove is provided with a lock column for clamping the clamping hole on the first handle, and the clamping hole is clamped and matched with the lock column when the first handle is accommodated in the first accommodating groove; the second accommodating groove is provided with a lock hole for clamping the clamping block on the second handle, and the clamping block is clamped and matched with the lock hole when the second handle is accommodated in the second accommodating groove 9. The portable lunch box according to claim 1, wherein: One side of the box cover is rotationally connected to the box body, and the other side of the box cover is snap-connected to the box body 10. The portable lunch box according to claim 9, characterized by: A rotating block is arranged between the box cover and the box body, the lower end of the rotating block is rotationally connected to the box body, and the upper end of the rotating block is rotationally connected to the box cover

Citation Information

Patent Citations

  • Lunch box

    CN219699254U

  • Portable heating lunch box

    CN221690322U

  • Lunch box

    CN222031688U