CN218164478U

CN218164478U - Portable lunch box

Info

Publication number: CN218164478U
Application number: CN202222079357.6U
Authority: CN
Inventors: 朱泽春; 康明光
Original assignee: Hangzhou Joyoung Household Electrical Appliances Co Ltd
Current assignee: Hangzhou Joyoung Household Electrical Appliances Co Ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-12-30
Anticipated expiration: 2032-08-08

Abstract

The application discloses portable lunch-box, including lid and at least one deck box body, the lid includes handle, upper cover and lower cover, the handle is including the portion of gripping and linking firmly the location portion at the portion of gripping both ends, the upper cover with lower cover detachably connects, location portion clamp is established and is fixed in the upper cover with between the lower cover. The utility model discloses a portable lunch-box is connected through the upper cover and the lower cover detachably that make the lid, and establish the location portion clamp of handle and fix between upper cover and lower cover, need not to process on the lid and handle pivotal connection's commentaries on classics hole, there is not the condition that takes place to rotate wearing and tearing between handle and the lid, moreover, the upper cover presss from both sides the mounting means who holds fixed handle with the lower cover, simple to operate, and is swift, the reliability is higher, the handle can freely arrange the combination with the lid, also can change when the handle takes place to damage or fracture, user's use experience has been promoted.

Description

Portable lunch box

Technical Field

The application relates to the technical field of articles for daily use, in particular to a portable lunch box.

Background

Lunch-box, cutlery box class product of taking lid or multilayer structure is daily work, the indispensable instrument in the life, solves the inconvenient problem of storing, carrying of different food. For convenient storage, the multi-layer lunch box is usually designed into the shape with the same size, and can be folded into a cylindrical shape as a whole. To facilitate carrying, a handle is usually installed on the box cover to form a portable lunch box.

The handle of the portable lunch box in the prior art is mostly in pivot connection or integrated into one piece in the top of box cover, and the structure unicity is higher, and to pivot connection's mode, easily take place to rotate between the pivot of handle and the pivot hole and abrade and make the handle become flexible and even drop from the box cover, and to integrated into one piece's mode, the handle takes place unable the change after the damage, brings inconvenience for the user. For the stability of guaranteeing to connect between the multilayer lunch-box, this type of product of current adopts threaded connection mode more, also has the mode that adopts the frame body to centre gripping whole lunch-box, but these two kinds of structural style have the inconvenient problem of use, and the operation of installing and splitting each layer lunch-box is more loaded down with trivial details promptly, and simultaneously, the installation is also not firm, can not use in a flexible way.

SUMMERY OF THE UTILITY MODEL

The application provides a portable lunch box to solve at least one technical problem in the above-mentioned technical problem.

The technical scheme adopted by the application is as follows:

the utility model provides a portable lunch-box, includes lid and at least one deck box body, the lid includes handle, upper cover and lower cover, the handle includes the portion of gripping and links firmly the location portion at the portion of gripping both ends, the upper cover with lower cover detachably connects, location portion clamp sets up to be fixed in the upper cover with between the lower cover.

The portable lunch box in the application also has the following additional technical characteristics:

the middle part of upper cover is equipped with the fretwork region, location portion presss from both sides and locates the both sides in fretwork region, the portion of gripping certainly the fretwork region extends the top of upper cover, the lower cover is equipped with upwards extends in order to be used for filling the decoration portion in fretwork region, the fretwork region and/or the border of decoration portion is equipped with dodges the breach of dodging of the portion of gripping, dodge the breach restriction the handle is along the activity of horizontal direction.

The upper cover and/or the lower cover are/is provided with a positioning column, the positioning part is provided with a positioning hole matched with the positioning column, and the positioning column is matched with the positioning hole to limit the movement of the lifting handle along the horizontal direction.

The lower cover is provided with a first limiting rib which extends upwards and surrounds the outer side of the decoration part, the first limiting rib is provided with a first limiting notch, and the first limiting notch is matched with the positioning part in a limiting mode to limit the movement of the handle in the horizontal direction.

The first limiting rib abuts against the bottom surface of the upper cover.

The upper cover is provided with a first buckle extending along the circumferential direction, the lower cover is provided with a second buckle extending along the circumferential direction, the first buckle and the second buckle are fastened along the upper direction and the lower direction so that the upper cover is detachably connected with the lower cover, the first buckle is provided with a second limiting notch, the lower cover is provided with a second limiting rib, and the second limiting notch is matched with the second limiting rib to limit the upper cover and the lower cover to rotate relative to each other.

The box body comprises a shell, an inner container and a top cover, the inner container can be arranged in the shell in a picking and placing mode, the top cover is abutted to the upper edge of the shell, a sealing ring used for sealing the top cover and the shell is arranged on the outer side of the top cover in a hooped mode, and the bottom of the top cover is pressed on the upper edge of the inner container.

The lower cover is provided with a first limiting ring rib extending downwards, and the first limiting ring rib abuts against the top cover of the box body adjacent to the box cover so as to limit the top cover to move along the radial direction of the shell; the portable lunch box comprises a plurality of layers of box bodies, wherein the box bodies positioned on the upper layer of the adjacent two layers of box bodies are arranged into a first box body, the box bodies positioned on the lower layer of the adjacent two layers of box bodies are arranged into a second box body, a second limiting ring rib is arranged at the bottom of the shell of the first box body, and the second limiting ring rib abuts against the top cover of the second box body to limit the movement of the top cover of the second box body along the radial direction of the shell of the second box body.

The portable lunch box further comprises a pressure release valve, the top cover is provided with a fixed hole and a pressure release hole, the pressure release valve comprises a pressure release valve body and a fixed part connected with the pressure release valve body, the pressure release valve passes through the fixed part and the fixed hole matched with the top cover, and the pressure release valve body is opened or covered on the pressure release hole.

One of the box cover and the box body adjacent to the box cover is provided with a first lock catch, the other of the box cover and the box body adjacent to the box cover is provided with a first convex block, the first lock catch is provided with a first lock hole, and the first lock catch is rotatably arranged to have a first locking position for locking the first lock hole and the first convex block and a first unlocking position for separating the first lock hole and the first convex block; the portable lunch box comprises a plurality of layers in the structure of the box bodies, the box bodies positioned on the upper layer of the adjacent two layers of box bodies are arranged into a first box body, the box bodies positioned on the lower layer are arranged into a second box body, one of the first box body and the second box body is provided with a second lock catch, the other one of the first box body and the second box body is provided with a second convex block, the second lock catch is provided with a second lock hole, and the second lock catch is rotatably arranged to have a second locking position for locking the second lock hole with the second convex block and a second unlocking position for separating the second lock hole from the second convex block.

Due to the adoption of the technical scheme, the technical effects obtained by the application are as follows:

1. in the portable lunch-box that this application provided, upper cover and lower cover detachably through making the lid are connected, and press from both sides the location portion of handle and establish fixedly between upper cover and lower cover, compare in present handle and lid pivotal connection or with lid integrated into one piece's mode, this application need not to process the commentaries on classics hole with handle pivotal connection on the lid, do not have the condition that takes place rotational wear between handle and the lid, and, the mounting means of fixed handle is held to upper cover and lower cover clamp, thus simple to operate, and high reliability, the handle can freely arrange the combination with the lid, also can change when the handle takes place damage or fracture, user's use experience has been promoted.

2. As an optimal mode of this application, set up the fretwork region through the middle part at the upper cover, the portion of gripping is worn out from the fretwork region behind the upper cover and the lower cover centre gripping location portion of being convenient for. The hollowed-out area is filled by the decoration part, on one hand, the decoration part has a decoration effect, a gap between the upper cover and the lower cover and a structure in the gap are hidden, the visual attractiveness of the portable lunch box is improved, and external impurities can be prevented from entering the box cover; on the other hand, dodge the breach restriction the activity of handle along the horizontal direction, guarantee the installation reliability of handle and lid complex wholeness nature, improve and grip and feel.

3. As an preferred mode of this application, through the cooperation of reference column and locating hole, can further carry on spacingly to the handle on the one hand, because the handle receives the decurrent pulling force of box body and causes location portion to deviate from between upper cover and the lower cover when avoiding carrying portable lunch-box through the handle, moreover, can also utilize the pre-position handle of cooperation of reference column and locating hole earlier when the assembly lid, the handle takes place to squint and influences the counterpoint of upper cover and lower cover when avoiding upper cover and lower cover cooperation.

4. As an preferred mode of this application, through setting up first spacing muscle at the lower cover, first spacing muscle is equipped with first spacing breach, and setting up of first spacing breach can form positioning portion and dodge, has also realized simultaneously that it is further spacing to the handle. Furtherly, supports the upper cover through making first spacing muscle support in the bottom surface of upper cover, has realized preventing that the upper cover from undercut to warp.

5. As an preferred mode of this application, upper cover and lower cover are along upper and lower direction lock joint in order to realize dismantling through first buckle and second buckle, consequently, in preferred embodiment, can increase the lock joint dynamics of first buckle and second buckle, and then promote the tight dynamics of clamp of upper cover and lower cover to the location portion of handle, further improve the reliability of handle and lid installation. In addition, through the cooperation of the spacing breach of second and the spacing muscle of second, prevent that upper cover and lower cover from rotating each other relatively and forming the handle and follow ascending torque in horizontal direction, avoided causing upper cover, lower cover and handle because of the existence of torque to take place wearing and tearing.

6. As an optimal mode of the application, the inner container can be arranged in the shell in a picking and placing mode, so that the inner side and the outer side of the inner container and the inner side and the outer side of the shell can be fully cleaned after the inner container is taken out by a user, and food scraps are prevented from being left in dead angles between the inner container and the shell. The top cap is pressed on the upper edge of the inner container, the limit of the inner container is realized, the phenomenon that food placed in the inner container overflows due to the fact that the inner container shakes up and down is avoided, and meanwhile the top cap and the sealing ring are favorable for improving the sealing and heat preservation effects inside the box body.

7. As an optimal mode of this application, through first hasp and first lug closure between lid and the box body, adjacent two-layer box body passes through second hasp and the closure of second lug, compares in the fixed mode of threaded connection and frame body centre gripping among the current, and this application lid and box body and the equipment and the split of adjacent two-layer box body are more simple and convenient, and the overall structure of the portable lunch-box after the equipment is more firm.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a first schematic structural view of a portable lunch box according to an embodiment of the present application;

fig. 2 is an exploded view of a case cover according to an embodiment of the present application;

fig. 3 is a first cross-sectional view of a box cover according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of an upper cover according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of a lower cover according to an embodiment of the present application;

FIG. 6 is a schematic structural view of a handle and a lower cover provided in an embodiment of the present application;

fig. 7 is a second cross-sectional view of a box cover according to an embodiment of the present disclosure;

FIG. 8 is a cross-sectional view of a carrying case provided in accordance with an embodiment of the present application;

FIG. 9 is a schematic structural diagram of a top cover provided in an embodiment of the present application;

fig. 10 is a schematic structural diagram of a pressure relief valve provided in an embodiment of the present application;

fig. 11 is a second schematic structural view of the portable lunch box provided in the embodiment of the present application.

Reference numerals:

1, a box cover, 11 handles, 111 holding parts, 112 positioning parts, 12 upper covers, 121 hollow areas, 122 avoidance gaps, 123 positioning columns, 124 first buckles, 125 second limiting gaps, 13 lower covers, 131 decoration parts, 132 first limiting ribs, 133 first limiting gaps, 134 second buckles, 135 second limiting ribs and 136 first limiting ring ribs;

2 box body, 21 shell, 211 second spacing ring muscle, 212 first lug, 2121 first spacing arch, 213 second lug, 2131 second spacing arch, 22 inner bag, 23 top cap, 231 pressure release hole, 232 fixed orifices, 24 sealing washer, 25 relief valve, 251 relief valve body, 252 fixed part, 26 first hasp, 261 first backstop arch, 27 second hasp, 271 second backstop arch.

Detailed Description

In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.

In addition, in the description of the present application, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", "transverse", "longitudinal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediary. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the embodiments of the present application, a portable lunch box is provided, and for convenience of illustration and understanding, the following contents are provided on the basis of the structure of the illustrated product. Of course, it can be understood by those skilled in the art that the above-mentioned structure is only used as a specific example and illustrative description, and does not constitute a specific limitation to the technical solution provided in the present application.

Referring to fig. 1 to 3, a portable lunch box comprises a box cover 1 and at least one layer of box body 2, wherein the box cover 1 comprises a handle 11, an upper cover 12 and a lower cover 13, the handle 11 comprises a holding part 111 and positioning parts 112 fixedly connected to two ends of the holding part 111, the upper cover 12 is detachably connected with the lower cover 13, and the positioning parts 112 are clamped and fixed between the upper cover 12 and the lower cover 13.

It should be noted that the present application schematically illustrates an embodiment in which the portable lunch box includes three layers of boxes, but the present application is not limited thereto. In addition, the detachable connection manner of the upper cover 12 and the lower cover 13 in the present application is not particularly limited, for example, the upper cover 12 and the lower cover 13 may be connected by a snap connection, a screw connection, a magnetic attraction connection, and the like. Further, the grip portion 111 may have an arc-shaped structure as shown in the drawings, but may have other structures, such as a rectangular structure, a cylindrical structure, and the like.

It can be understood by those skilled in the art that, in the portable lunch box provided by the present application, by detachably connecting the upper cover 12 and the lower cover 13 of the box cover 1 and clamping and fixing the positioning portion 112 of the handle 11 between the upper cover 12 and the lower cover 13, compared with the existing mode of pivotally connecting the handle and the box cover or integrally forming the handle and the box cover, the portable lunch box provided by the present application does not need to process a rotating hole pivotally connected with the handle 11 on the box cover 1, and there is no rotation wear between the handle 11 and the box cover 1, and the installation mode of clamping and fixing the handle 11 by the upper cover 12 and the lower cover 13 is convenient and fast to install and has higher reliability, and the handle 11 can be freely matched and combined with the box cover 1, for example, the handle 11 and the box cover 1 in different shapes can be selected for matching during production, so that the portable lunch box has multiple shapes, and the handle 11 can be replaced when damaged or broken, thereby improving the use experience of users.

As a preferred embodiment of the present application, as shown in fig. 3 to 5, a hollow area 121 may be disposed in the middle of the upper cover 12, the positioning portion 112 is disposed on two sides of the hollow area 121, the holding portion 111 extends from the hollow area 121 to the upper side of the upper cover 12, the lower cover 13 is provided with a decoration portion 131 extending upward to fill the hollow area 121, an avoiding notch 122 for avoiding the holding portion 111 is disposed at the edge of the hollow area 121, and the avoiding notch 122 limits the movement of the handle 11 in the horizontal direction. In other embodiments, the relief notch 122 may be provided at the edge of the decoration portion 131, or the relief notches 122 may be provided at both the edges of the decoration portion 131 and the hollow area 121 to match each other.

During specific installation, the holding part 111 of the handle 11 can penetrate out of the hollow area 121 from the bottom of the upper cover 12, the positioning part 112 of the handle 11 stops at two sides of the hollow area 121, and then the upper cover 12 and the lower cover 13 are matched to clamp the positioning part 112, so that the assembly process of the box cover 1 is completed. As can be understood by those skilled in the art, the hollow area 121 is arranged in the middle of the upper cover 12, so that the holding part 111 can conveniently penetrate out of the hollow area 121 after the positioning part 112 is clamped between the upper cover 12 and the lower cover 13, and the hollow area 121 is filled by the decoration part 131, on one hand, the decoration part 131 has a decoration effect, so that a gap between the upper cover 12 and the lower cover 13 and a structure in the gap are hidden, the visual attractiveness of the portable lunch box is improved, and external impurities can be prevented from entering the box cover 1; on the other hand, the avoiding notch 122 limits the movement of the handle 11 along the horizontal direction, so as to ensure the installation reliability of the handle 11 and the matching integrity of the handle 11 and the box cover 1, and improve the holding hand feeling. On the basis that the upper cover 12 and the lower cover 13 clamp the positioning portion 112 in the vertical direction, the avoiding notch 122 limits the horizontal movement of the handle 11, mainly including the horizontal movement of the handle 11 and the rotation movement of the handle on the horizontal plane. The decorative portion 131 may be a groove pattern as shown in the drawing, or may be a pattern.

As a preferred embodiment of the present embodiment, as shown in fig. 4, a positioning column 123 may be disposed on the upper cover 12, the positioning portion 112 is disposed with a positioning hole adapted to the positioning column 123, and the positioning column 123 cooperates with the positioning hole to limit the movement of the handle 11 in the horizontal direction.

Those skilled in the art can understand that, through the matching of the positioning column 123 and the positioning hole, on one hand, the handle 11 can be further limited, and it is avoided that when the lunch box is lifted through the handle 11, the positioning portion 112 is separated from the upper cover 12 and the lower cover 13 due to the fact that the handle 11 is subjected to too large downward pulling force of the box body 2, and furthermore, the handle 11 can be pre-positioned by utilizing the matching of the positioning column 123 and the positioning hole when the box cover 1 is assembled, so that the handle 11 is prevented from being deviated when the upper cover 12 is matched with the lower cover 13, and the alignment of the upper cover 12 and the lower cover 13 is prevented from being influenced. Of course, as an alternative embodiment, the positioning posts 123 may also be disposed on the lower cover 13 or both the upper cover 12 and the lower cover 13 may be provided with positioning posts 123 to match with the positioning holes on the positioning portion 112, so as to achieve the purpose of limiting the horizontal movement of the handle 11.

As a preferred example of the present embodiment, as shown in fig. 5 and 6, the lower cover 13 is provided with a first limiting rib 132 extending upward and surrounding the outer side of the decoration portion 131, the first limiting rib 132 is provided with a first limiting notch 133, and the first limiting notch 133 is in limiting engagement with the positioning portion 112 to limit the movement of the handle 11 in the horizontal direction.

As can be understood by those skilled in the art, by providing the first limiting rib 132 on the lower cover 13, the first limiting rib 132 is provided with the first limiting notch 133, the first limiting notch 133 can avoid the positioning portion 112, and meanwhile, when the positioning portion 112 abuts against the first limiting rib 132 at the first limiting notch 133, further limiting of the first limiting notch 133 on the horizontal movement of the handle 11 is also achieved.

Further, as shown in fig. 7, the first limiting rib 132 may abut against the bottom surface of the upper cover 12. Lean on in the bottom surface of upper cover 12 through making first spacing muscle 132 for first spacing muscle 132 can also support upper cover 12 when spacing handle 11, prevents that upper cover 12 from the deformation of sunken downwards, has realized that first spacing muscle 132 is multi-purpose.

Regarding the way that the upper cover 12 and the lower cover 13 can be detachably connected, as a preferred embodiment of the present application, as shown in fig. 4, 5 and 7, the upper cover 12 can be provided with a first buckle 124 extending along the circumferential direction, the lower cover 13 is provided with a second buckle 134 extending along the circumferential direction, the first buckle 124 and the second buckle 134 are buckled along the up-and-down direction so that the upper cover 12 and the lower cover 13 can be detachably connected, the first buckle 124 is provided with a second limit notch 125, the lower cover 13 is provided with a second limit rib 135, and the second limit notch 125 cooperates with the second limit rib 135 to limit the upper cover 12 and the lower cover 13 to rotate relative to each other.

It can be understood by those skilled in the art that the upper cover 12 and the lower cover 13 are fastened by the first fastener 124 and the second fastener 134 along the up-down direction to be detachable, so that the installation is convenient and fast, and no special tool is needed, and in addition, in the preferred embodiment, the fastening strength of the first fastener 124 and the second fastener 134 can be increased, so as to improve the clamping strength of the upper cover 12 and the lower cover 13 to the positioning portion 112 of the handle 11, and further improve the reliability of the installation of the handle 11 and the box cover 1. In addition, through the cooperation of the second limiting notch 125 and the second limiting rib 135, the upper cover 12 and the lower cover 13 are prevented from rotating relatively to each other to form a torque along the horizontal direction on the handle 11, and the upper cover 12, the lower cover 13 and the handle 11 are prevented from being worn due to the existence of the torque.

As a preferred embodiment of the present application, as shown in fig. 8, the box body 2 includes a housing 21, an inner container 22 and a top cover 23, the inner container 22 is disposed in the housing 21 in a removable manner, the top cover 23 abuts on an upper edge of the housing 21, a sealing ring 24 for sealing the top cover 23 and the housing 21 is provided around an outer side of the top cover 23, and a bottom of the top cover 23 is pressed against the upper edge of the inner container 22.

As can be understood by those skilled in the art, by arranging the inner container 22 in the outer casing 21 in a manner of being able to be taken out and put in, it is convenient for a user to fully clean the inner and outer sides of the inner container 22 and the inner and outer sides of the outer casing 21 after taking out the inner container 22, and food debris is prevented from remaining and accumulating in a dead angle between the inner container 22 and the outer casing 21. The top cap 23 is pressed and is held the upper limb at inner bag 22, realizes the spacing of inner bag 22 upper and lower direction, avoids inner bag 22 to rock from top to bottom and causes the food of placing at inner bag 22 excessive, and the top cap 23 is held and the sealed and heat preservation effect that still is favorable to promoting 2 inside sealings of box body with sealing washer 24 to the shell inner chamber to the pressure of inner bag 22 simultaneously.

As a preferred example of this embodiment, as shown in fig. 7 and 8, the lower cover 13 is provided with a first limiting ring rib 136 extending downward, and the first limiting ring rib 136 abuts against the top cover 23 of the box body 2 adjacent to the box cover 1 to limit the movement of the top cover 23 along the radial direction of the outer shell 21; the portable lunch box comprises a plurality of layers of box bodies, wherein the box bodies positioned on the upper layer of the adjacent two layers of box bodies are set as first box bodies, the box bodies positioned on the lower layer of the adjacent two layers of box bodies are set as second box bodies, the bottom of the shell 21 of the first box body is provided with a second limiting ring rib 211, and the second limiting ring rib 211 is abutted to the top cover 23 of the second box body so as to limit the movement of the top cover 23 of the second box body along the radial direction of the shell 21 of the second box body.

For example, in the portable lunch box that this application provided contains the configuration of three-layer box body, the box body that is located the top can be established to first box body, and the box body that is located the centre can be established to the second box body, and in the same way, also can establish first box body with the box body that is located the centre, and the box body that is located the bottom establishes to the second box body.

Preferably, can also make first spacing ring muscle 136, second spacing ring muscle 211 and top cap 23 interference fit, top cap 23 is the trend of toward outer expansion under the effect of first spacing ring muscle 136, second spacing ring muscle 211, make first spacing ring muscle 136, second spacing ring muscle 211 not only can be radial spacing to top cap 23, can also make top cap 23 extrusion sealing washer 24, increase sealing washer 24's deformation, improve sealed effect, and then promote the heat preservation effect of box body 1.

As a preferred embodiment of the present invention, as shown in fig. 8 to 10, the portable lunch box further includes a pressure release valve 25, the top cover 23 is provided with a fixing hole 232 and a pressure release hole 231, the pressure release valve 25 includes a pressure release valve body 251 and a fixing portion 252 connected to the pressure release valve body 251, the pressure release valve 25 is mounted on the top cover 23 by the cooperation of the fixing portion 252 and the fixing hole 232, and the pressure release valve body 251 is used for opening or closing the pressure release hole 231.

As will be understood by those skilled in the art, when taking food in the inner container 22, the pressure relief valve body 251 can be opened in advance to release pressure, so that the air pressure inside and outside the inner container 22 can be kept consistent, and the user can conveniently remove the top cover 23 from the outer shell 21 and the inner container 22. The cooperation of the fixing portion 252 and the fixing hole 232 restricts the pressure release valve 25 on the top cover 23, and prevents the pressure release valve 25 from being accidentally lost after the pressure release hole 231 is opened by the pressure release valve body 251.

As for the connection manner of the box cover 1 and the box body 2 and the connection manner of two adjacent box bodies in the configuration of the portable lunch box including multiple layers of the box bodies, as a preferred embodiment of the present application, one of the box cover 1 and the box body adjacent to the box cover 1 may be provided with a first lock catch, the other of the box cover 1 and the box body adjacent to the box cover 1 may be provided with a first protrusion, the first lock catch is provided with a first lock hole, and the first lock catch is rotatably provided to have a first locking position for locking the first lock hole with the first protrusion and a first unlocking position for disengaging the first lock hole from the first protrusion; the box body on the upper layer of the two adjacent layers of box bodies is set as a first box body, the box body on the lower layer is set as a second box body, one of the first box body and the second box body is provided with a second lock catch, the other of the first box body and the second box body is provided with a second convex block, the second lock catch is provided with a second lock hole, and the second lock catch is rotatably arranged to have a second locking position for enabling the second lock hole to be locked with the second convex block and a second unlocking position for enabling the second lock hole to be separated from the second convex block.

As shown in fig. 1, 8 and 11, the present application schematically illustrates an embodiment in which the box cover 1 is provided with the first lock catch 26, and the outer shell of the box body adjacent to the box cover 1 is provided with the first projection 212, and illustrates an embodiment in which the first box body located above and the outer shell of the second box body located below of the adjacent two-layer box body are provided with the second lock catch 27, and the second projection 213, wherein: the first lock catch 26 is pivotally connected to the upper cover 12 of the box cover 1, a first stopping protrusion 261 is disposed in the first lock hole, a first limiting protrusion 2121 is disposed on the first protrusion 212, and when the first lock catch 26 rotates to the first locking position to enable the first lock hole to be matched with the first protrusion 212, the first limiting protrusion 2121 stops with the first stopping protrusion 261 to limit the first lock catch 26 from rotating towards the first unlocking position; the second lock catch 27 is pivotally connected to the housing of the first box 2, a second stopping protrusion 271 is disposed in the second lock hole, a second limiting protrusion 2131 is disposed on the second protrusion 213, and when the second lock catch 27 rotates to the second locking position to match the second lock hole with the second protrusion 213, the second limiting protrusion 2131 stops with the second stopping protrusion 271 to limit the second lock catch 27 to rotate toward the second unlocking position.

It can be understood by those skilled in the art that the box cover 1 and the box body are locked by the first lock catch 26 and the first protrusion 212, and the adjacent two-layer box body is locked by the second lock catch 27 and the second protrusion 213, compared with the conventional methods of screw connection and frame body clamping and fixing, the assembly and disassembly of the box cover 1 and the box body 2 and the adjacent two-layer box body in the present application are simpler and more convenient, and the overall structure of the assembled portable lunch box is more reliable.

Where not mentioned in this application, can be accomplished using or referencing existing technology.

All the embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from other embodiments.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. The utility model provides a portable lunch box, includes lid and at least one deck box body, its characterized in that, the lid includes handle, upper cover and lower cover, the handle includes the portion of gripping and links firmly the location portion at the portion of gripping both ends, the upper cover with the lower cover detachably connects, location portion clamp establish be fixed in the upper cover with between the lower cover.

2. Portable lunch box according to claim 1,

3. A carry-on lunch box according to claim 2,

4. A carry-on lunch box according to claim 2,

the lower cover is provided with a first limiting rib which extends upwards and surrounds the outer side of the decoration part, the first limiting rib is provided with a first limiting notch, and the first limiting notch is matched with the positioning part in a limiting mode so as to limit the movement of the handle in the horizontal direction.

5. Portable lunch box according to claim 4,

the first limiting rib abuts against the bottom surface of the upper cover.

6. Portable lunch box according to claim 1,

7. An lunch box according to any one of claims 1 to 6,

8. A carry-on lunch box according to claim 7,

the lower cover is provided with a first limiting ring rib extending downwards, and the first limiting ring rib abuts against the top cover of the box body adjacent to the box cover so as to limit the top cover to move along the radial direction of the shell;

the portable lunch box comprises a plurality of layers of box bodies, wherein the box bodies positioned on the upper layer of the adjacent two layers of box bodies are arranged into a first box body, the box bodies positioned on the lower layer of the adjacent two layers of box bodies are arranged into a second box body, a second limiting ring rib is arranged at the bottom of the shell of the first box body, and the second limiting ring rib abuts against the top cover of the second box body to limit the movement of the top cover of the second box body along the radial direction of the shell of the second box body.

9. A carry-on lunch box according to claim 7,

the portable lunch box further comprises a pressure release valve, the top cover is provided with a fixing hole and a pressure release hole, the pressure release valve comprises a pressure release valve body and a fixing part connected with the pressure release valve body, the pressure release valve passes through the fixing part and the fixing hole, the fixing part is matched with the fixing hole, the top cover is arranged on the pressure release valve body, and the pressure release hole is opened or covered on the pressure release valve body.

10. Portable lunch box according to claim 1,

one of the box cover and the box body adjacent to the box cover is provided with a first lock catch, the other of the box cover and the box body adjacent to the box cover is provided with a first convex block, the first lock catch is provided with a first lock hole, and the first lock catch is rotatably arranged to have a first locking position for locking the first lock hole and the first convex block and a first unlocking position for separating the first lock hole and the first convex block;

the portable lunch box comprises a plurality of layers in the structure of the box bodies, the box bodies positioned on the upper layer of the adjacent two layers of box bodies are arranged into a first box body, the box bodies positioned on the lower layer are arranged into a second box body, one of the first box body and the second box body is provided with a second lock catch, the other one of the first box body and the second box body is provided with a second convex block, the second lock catch is provided with a second lock hole, and the second lock catch is rotatably arranged to have a second locking position for locking the second lock hole with the second convex block and a second unlocking position for separating the second lock hole from the second convex block.