Disposable meal box with good sealing performance

Abstract

The utility model relates to the field of disposable meal boxes, in particular to a disposable meal box with good sealing performance. The meal box comprises a box body and a cover body, a convex part is arranged at the bottom of the cover body, a spiral sealing structure is wound on the side wall of the convex part, a groove embedded with the sealing structure is formed in an inner ring of the top of the box body, the sealing structure comprises two fixing layers and an inflation layer, the two fixing layers are arranged on the upper side and the lower side of the inflation layer, and an inflation channel is formed in the top of the cover body. The inflation channel communicates with the inflation layer, and after the sealing structure rotates to enter the groove, the inflation channel is inflated, so that the two fixing layers are expanded to abut against the groove. The spiral sealing structure is arranged, the cover body and the box body are connected in a rotating mode, and the connecting strength of the cover body and the box body is improved; the inflation layer is arranged on the inner layer of the sealing structure, the fixing layer and the groove are clamped through the inflation layer, filling of a connecting gap between the fixing layer and the groove is achieved, and sealing of the fixing layer and the groove is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a disposable lunch box field especially a disposable lunch box with good sealing. BACKGROUND

[0002] As an important consumable of modern catering industry, the disposable lunch box is widely used in take-out, fast food, food packaging and other scenes, the structure design of the existing disposable lunch box is the combination of simple box body and box cover, relies on the compression or buckle of the box cover and the box body to realize the sealing, not only the cover body separation phenomenon is prone to appear in the transportation process, and when the food containing soup is transported, the leakage phenomenon is prone to appear, therefore, a disposable lunch box with good sealing is needed. SUMMARY

[0003] The utility model discloses a disposable lunch box with good sealing, which has the advantages of good sealing and anti-stealing.

[0004] The utility model provides a disposable lunch box with good sealing, which comprises a box body and a cover body, the bottom of the cover body is provided with a convex part, the side wall of the convex part is provided with a spiral sealing structure, the inner ring of the top of the box body is provided with a groove matched with the sealing structure, the sealing structure comprises a fixed layer and an inflation layer, two fixed layers are arranged on the upper and lower sides of the inflation layer, the top of the cover body is provided with an inflation channel, the inflation channel is connected with the inflation layer, and when the sealing structure rotates into the groove, inflation is carried out in the inflation channel to make the two fixed layers expand and abut against the groove.

[0005] Further, the inflation channel is made of soft material and is provided with a self-sealing adhesive layer inside.

[0006] Further, the top of the box body is provided with a connecting piece, one end of the connecting piece is connected with the side wall of the box body, the connecting piece is provided with an opening piece in the radial direction, and when the disposable lunch box is opened, the opening piece is pushed to break the inflation layer.

[0007] Further, the left and right sides of the box body are provided with reinforcing members, one end of the reinforcing member is connected with the side wall of the box body, the other end of the reinforcing member is provided with a clamping part, the top of the cover body is provided with a clamping groove, and when the box body and the cover body are sealingly connected, the clamping part is clamped with the clamping groove.

[0008] Further, the top of the cover body is provided with a one-character-shaped extension.

[0009] By adopting the above technical scheme, the utility model has the advantages of:

[0010] This invention utilizes a spiral sealing structure, employing rotation to connect the lid and box, thus increasing the connection strength. An inflatable layer is incorporated within the sealing structure, which engages with the fixing layer and groove, filling any gaps and further enhancing the seal. The one-time sealing and opening method prevents the food container from being opened during transport, ensuring food safety.

[0011] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and are not intended to limit this disclosure.

[0012] Undoubtedly, such and other objects of this invention will become more apparent after the following detailed description of the preferred embodiments, which are illustrated in various accompanying drawings and figures.

[0013] To make the above and other objects, features and advantages of this utility model more apparent and understandable, one or more preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0014] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0015] In the accompanying drawings, the same parts use the same reference numerals, and the drawings are schematic and not necessarily drawn to actual scale.

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only one or more embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on such drawings without creative effort.

[0017] Fig. 1 This is a schematic diagram of the overall structure of a disposable lunch box with good sealing properties according to this utility model;

[0018] Fig. 2 This is a partial structural diagram of the sealing structure of this utility model before and after inflation.

[0019] Explanation of key figure labels:

[0020] 1. Cover;

[0021] 11. Sealing structure; 111. Fixing layer; 112. Inflatable layer; 12. Inflatable channel; 15. Extension; 16. Snap-fit ​​groove;

[0022] 2. Box body;

[0023] 21, recess; 22, connecting piece; 23, opening piece;

[0024] 3, reinforcing piece;

[0025] 31, clamping portion. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the utility model is further described in detail below in combination with specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, but not used to limit the utility model.

[0027] Referring to Figs. 1-2 The utility model provides a disposable meal box with good sealing, which comprises a box body 2 and a cover body 1.

[0028] The bottom of the cover body 1 is provided with a convex part, the side wall of the convex part is provided with a spiral sealing structure 11, the sealing structure 11 comprises a fixed layer 111 and an inflation layer 112, two fixed layers 111 are arranged on the upper and lower sides of the inflation layer 112, the top of the cover body 1 is provided with an inflation channel 12, the inflation channel 12 is communicated with the inflation layer 112, the inner ring of the top of the box body 2 is provided with a recess 21 matched with the sealing structure 11, when the sealing structure 11 rotates into the recess 21, inflation is carried out in the inflation channel 12 to make the two fixed layers 111 expand and abut against the recess 21, wherein the inflation channel 12 is made of soft material, and a self-sealing glue layer is arranged in the inflation channel 12, when the inflation device is pulled out from the inside, the edge of the inflation channel 12 is pressed to realize the sealing of the inflation channel 12.

[0029] In order to facilitate opening after inflation, the inflation layer 112 is made of plastic film, and the top of the box body 2 is provided with a connecting piece 22, one end of the connecting piece 22 is connected with the side wall of the box body 2, the connecting piece 22 is provided with an opening piece 23 along the radial direction, when the meal box is opened, the opening piece 23 is pushed to pierce the inflation layer 112.

[0030] In order to further increase the tightness of the connection between the box body 2 and the cover body 1, the left and right sides of the box body 2 are both provided with a reinforcing piece 3, one end of the reinforcing piece 3 is connected with the side wall of the box body 2, the other end of the reinforcing piece 3 is provided with a clamping portion 31, the top of the cover body 1 is provided with a clamping groove 16, when the box body 2 is sealed and connected with the cover body 1, the clamping portion 31 is clamped with the clamping groove 16.

[0031] In order to increase the stress point of the rotation of the cover body 1, the top of the cover body 1 is provided with a one-letter-shaped extension 15.

[0032] Working principle: when using, the cover 1 is screwed into the box 2, then the inflation channel 12 is inflated to make the inflatable layer 112 swell, at this time the two fixed layers 111 abut with the groove 21, then the reinforcing piece 3 is clamped with the clamping groove 16. When opening, press the opening piece 23 to make the inflatable layer 112 leak, make the reinforcing piece 3 separate, then rotate out the cover 1.

[0033] It should be understood that the embodiments disclosed by the utility model are not limited to the specific processing steps or materials disclosed herein, but should extend to such equivalent alternatives of the features understood by those skilled in the related art. It should also be understood that the terms used herein are only for the purpose of describing the specific embodiments and do not mean limitation.

[0034] The "embodiments" mentioned in the specification mean that the specific features or characteristics described in combination with the embodiments are included in at least one embodiment of the utility model. Therefore, the phrase or "embodiments" appearing throughout the specification do not necessarily mean the same embodiment.

[0035] In addition, the described features or characteristics can be combined into one or more embodiments in any other suitable way. In the above description, some specific details, such as thickness, number, etc., are provided to provide a comprehensive understanding of the embodiments of the utility model. However, those skilled in the related art will understand that the utility model can be implemented without one or more of the above specific details or can be implemented by using other methods, components, materials, etc.

Claims

1. A disposable meal box with good sealing, characterized in that, The box body and the cover body are provided with a convex part at the bottom of the cover body, the side wall of the convex part is provided with a spiral sealing structure, the inner ring of the top of the box body is provided with a groove matched with the sealing structure, the sealing structure comprises a fixed layer and an inflation layer, two fixed layers are arranged on the upper and lower sides of the inflation layer, the top of the cover body is provided with an inflation channel, the inflation channel is communicated with the inflation layer, and the two fixed layers are expanded to abut against the groove after the sealing structure is rotated into the groove and inflation is performed in the inflation channel.

2. The disposable meal box with good sealing according to claim 1, characterized in that, The inflation channel is made of soft material and is internally provided with a self-sealing glue layer.

3. The disposable meal box with good sealing according to claim 1, characterized in that, The top of the box body is provided with a connecting piece, one end of the connecting piece is connected with the side wall of the box body, the connecting piece is provided with an opening piece in the radial direction, and the opening piece is used to push and break the inflation layer when the meal box is opened.

4. The disposable meal box with good sealing property according to claim 1, characterized in that, The left and right sides of the box body are both provided with reinforcing members, one end of the reinforcing member is connected with the side wall of the box body, the other end of the reinforcing member is provided with a clamping part, the top of the cover body is provided with a clamping groove, and the clamping part is clamped with the clamping groove after the box body and the cover body are sealingly connected.

5. The closed disposable meal box according to claim 1, wherein The top of the cover body is provided with a one-character-shaped extension part.

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