CN216019586U

CN216019586U - Disposable anti-opening lunch box

Info

Publication number: CN216019586U
Application number: CN202121944433.4U
Authority: CN
Inventors: 陈春强
Original assignee: Zhongshan Lvqian Paper Plastic Packaging Co ltd
Current assignee: Zhongshan Lvqian Paper Plastic Packaging Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-03-15
Anticipated expiration: 2031-08-19

Abstract

The utility model provides a disposable anti-opening lunch box which comprises a box body and a box cover, wherein an opening of the box body is turned outwards to form a first flat edge, an opening of the box cover is turned outwards to form a second flat edge, the outer end surface of the first flat edge is connected with a vertical blocking edge, a notch is arranged on the blocking edge above the flat edge, an easy-to-break plate which is easy to break off from the blocking edge is connected to the notch, an annular blocking edge is arranged on the inner wall of the blocking edge, a first groove which is sunken towards the box cover is arranged on the first flat edge close to the blocking edge, a second groove which is buckled with the first groove is formed on the second flat edge in a turning mode along the outer end surface, and an opening end surface of the second groove far away from the second flat edge is turned outwards to form a blocking foot. Above-mentioned disposable prevent opening cutlery box has realized the card of lid and box body and has fixed, has avoided the cutlery box to be opened by others and the condition of not knowing, has guaranteed the security of food.

Description

Disposable anti-opening lunch box

Technical Field

The utility model relates to the technical field of lunch boxes, in particular to a disposable anti-opening lunch box.

Background

In recent years, with the prevalence of the take-out industry, the using amount of the disposable lunch box is also node climbing, the existing disposable lunch box realizes the buckling between the box body and the box cover through the matching of the convex edge and the concave edge which are respectively arranged on the box body and the box cover, but the structure can be opened or clamped and closed for many times, and the safety of food is difficult to ensure; and the disposable lunch box is generally provided with vent holes for exhausting, but the vent holes are easy to block in the transportation process, so that hot air is difficult to exhaust, and the safety and the sealing performance of food are difficult to ensure anyway.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a disposable anti-opening lunch box aiming at the defects of the prior art and is used for solving the problems in the background technology.

In order to achieve the purpose, the utility model provides a disposable anti-opening lunch box which comprises a box body and a box cover, wherein an opening of the box body is turned outwards to form a first flat edge, an opening of the box cover is turned outwards to form a second flat edge, the outer end face of the first flat edge is connected with a vertical blocking edge, a notch is formed in the blocking edge, an easy-to-fold plate which is easy to break off from the blocking edge is connected to the notch, a raised blocking edge is arranged on the inner wall above the first flat edge in a surrounding mode, a first groove which is sunken towards the box cover direction is arranged on the first flat edge close to the blocking edge, a second groove which is buckled with the first groove is formed on the outer end face of the second flat edge in a turning mode, a blocking foot is formed by turning outwards on the end face of the second groove far away from the second flat edge, and the blocking foot is inserted between the second groove and the blocking edge and is limited by the blocking edge.

Preferably, the upper surface of the box cover is provided with air holes, the diameter of each air hole is 8mm, the box cover is correspondingly provided with a sealing cover for sealing the air holes, and the sealing cover is provided with sealing bulges matched with the air holes.

Preferably, stops are distributed in the first groove.

Preferably, the height of the groove wall of the first groove corresponding to the easy-folding plate is greater than that of the easy-folding plate.

Preferably, the radial cross section of the first groove and the radial cross section of the second groove are U-shaped, the depth of the second groove is deeper than that of the first groove, and a gap is formed between the position, close to the blocking foot, of the second groove and the first groove.

Preferably, the wall thickness of one surface of the first groove close to the first flat edge and the wall thickness of the second flat edge are larger than the wall thickness of other positions of the disposable anti-opening lunch box.

Preferably, the middle part of the upper surface of the box cover protrudes upwards to form a boss, and the top surface of the boss is provided with a downward sunken embedded groove matched with the bottom of the box body.

Preferably, the disposable anti-opening lunch box can be round or square.

Preferably, the box cover is provided with a containing groove matched with the sealing cover, and the end part of the sealing cover extends into the handle groove communicated with the containing groove.

Preferably, a U-shaped reinforcing rib is connected between the boss and the second groove.

A disposable meal box of preventing opening that obtains through above-mentioned technical scheme, its beneficial effect is:

1. the retaining edges arranged on the retaining edges and the retaining feet arranged at the end parts of the second grooves realize the clamping and fixing effect between the box cover and the box body, and the box cover and the box body are difficult to separate under the condition that the easy-to-fold plates on the retaining edges are not broken, so that the safety of food in the lunch box is ensured, and the sealing performance is good;

2. the stop block arranged in the first groove can prevent outsiders from utilizing the gap between the first groove 9 and the stop edge 6 to apply pressure to the first groove 9 to open the box cover 2, so that the safety of the disposable anti-opening lunch box is further improved;

3. the diameter of the air holes is 8mm, and compared with the size of the traditional air holes, the possibility of blocking the air holes is reduced;

4. the end part of the accommodating groove for accommodating the sealing cover is provided with the handle groove, so that the sealing cover can be conveniently opened;

5. the embedded groove arranged on the top surface of the boss of the box cover facilitates the stacking of the lunch boxes.

Drawings

Fig. 1 is a schematic structural view of the disposable anti-opening lunch box of the present invention.

Fig. 2 is a front view of the disposable anti-opening lunch box of the present invention.

Fig. 3 is a schematic structural diagram of the cartridge according to the present invention.

Fig. 4 is a sectional view taken along a direction a in fig. 2.

Fig. 5 is an enlarged schematic view at a in fig. 4.

Fig. 6 is an enlarged schematic view at B in fig. 4.

In the figure, a cartridge 1; a box cover 2; a first flat edge 3; a second flat edge 4; an easy folding plate 5; a blocking edge 6; a connecting rib 7; a flange 8; a first groove 9; a second groove 10; a blocking foot 11; a stopper 12; a third flat edge 13; a boss 14; a reinforcing rib 15; an anti-slip table 16; a transition step 17; air holes 18; a seal cover 19; a sealing protrusion 20; a receiving groove 21; a handle slot 22; fitting into the groove 23.

Detailed Description

The utility model is further illustrated by the following figures. All other embodiments that can be obtained by a person skilled in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention.

As shown in fig. 1-3, the present embodiment provides a disposable anti-opening lunch box, which includes a box body 1 and a box cover 2, wherein the box body 1 is open and folded outwards to form a first flat edge 3, the box cover 2 is open and folded outwards to form a second flat edge 4, the outer end surface of the first flat edge 3 is connected with a vertical blocking edge 6, the blocking edge 6 is provided with a notch, the notch is connected with an easy-to-fold plate 5 which is easily broken from the blocking edge 6, the easy-to-fold plate 5 is an arc shape with the radius of the blocking edge 6, so as to keep the consistency of the overall structure of the disposable anti-opening lunch box, and avoid the easy-to-fold plate 5 from being bent during transportation.

Specifically, easy folded plate 5 is connected through splice bar 7 with keeping off between the breach along 6, and the joint strength of easy folded plate 5 with keeping off along 6 can be reduced to the mode of point contact connection, has reduced the degree of difficulty of opening the cutlery box.

As shown in fig. 4-5, a raised rib 8 is circumferentially arranged on the inner wall of the blocking edge 6 above the first flat edge 3, an annular first groove 9 recessed towards the direction of the box cover 2 is arranged on the first flat edge 3 close to the blocking edge 6, an annular second groove 10 buckled with the first groove 9 is formed by folding the outer end surface of the second flat edge 4, a blocking foot 11 is formed by folding the end surface of the second groove 10 far away from the second flat edge 4 outwards, and the blocking foot 11 can be inserted between the second groove 10 and the blocking edge 6; interval distribution has dog 12 in the first recess 9, and the width of dog 12 is less than the width of first recess 9 for prevent at

lid

2 and 1 lock in-process of box body, first recess 9 warp excessively, and flange 8 is difficult to produce the card solid effect to flange 11, and setting up of flange 8 can prevent simultaneously that the gap between first recess 9 and the fender edge 6 is utilized to other people, and it opens lid 2 to exert pressure to first recess 9, has further improved the security of cutlery box.

When the box body 1 is buckled with the box cover 2, the box cover 2 is covered on the box body 1, the inner wall of the second groove 10 extrudes the inner wall of the first groove 9, when the stop block 12 is abutted against the first groove 9, the first groove 9 is buckled with the second groove 10, the stop pin 11 is inserted between the first groove 9 and the stop edge 6, the blocking action on the stop pin 11 is realized through the stop edge 8 on the stop edge 6, and at the moment, the box body 1 cannot be separated from the box cover 2; if want lid 2 and box body 1 to separate, only need to expose second recess 10 along the rupture of splice bar 7 with easy folded plate 5, then apply the pulling force from breach department to the fender foot 11 of second recess 10 and take off lid 2, the cutlery box suffers permanent destruction this moment, is irreversible process, can effectively prevent the cutlery box by the condition of being opened and not knowing.

As shown in fig. 6, in order to open the lunch box conveniently, the height of the groove wall of the first groove 9 corresponding to the easy-folding plate 5 is greater than that of the easy-folding plate 5, and the bottom of the easy-folding plate 5 is connected with the third flat edge 13 formed by folding the outer end part of the first groove 9 through the connecting rib 7.

Specifically, the radial cross sections of the first groove 9 and the second groove 10 are U-shaped, the depth of the second groove 10 is deeper than that of the first groove 9, a gap exists between the position of the second groove 10 close to the blocking foot 11 and the first groove 9, that is, a certain inclination angle is formed at the position of the second groove 10 close to the blocking foot 11, so that an acting force is applied to the second groove 10 to take down or buckle the box cover 2.

The wall thickness of the first groove 9 close to the first flat edge 3 and the wall thickness of the second flat edge 4 are larger than the wall thickness of other positions of the disposable anti-opening lunch box (excluding the position corresponding to the easy folding plate 5, which is convenient for opening the box cover 2).

It should be noted here that, in order to facilitate the opening of the lid 2, the first recess 9 is not provided with a stop 12 at a position corresponding to the easy-to-fold plate 5.

As shown in fig. 1 and 2, the middle part of the upper surface of the box cover 2 protrudes upwards to form a boss 14, the top surface of the boss 14 is recessed downwards to form an embedded groove 23 matched with the bottom of the box body, and the height of the embedded groove 23 is smaller than that of the boss 14, so that a plurality of lunch boxes can be stacked conveniently; be connected with U-shaped strengthening rib 15 between boss 14 and the second recess 10, further improved the structural stability of second recess 10 near the one side of the flat edge 4 of second, and then guaranteed the block dynamics of second recess 10 and first recess 9.

As shown in fig. 4 and 5, the box body 1 is integrally formed, the whole box body 1 is in a circular truncated cone shape with the lower end surface area smaller than the upper end surface area, the bottom of the box body 1 is provided with the anti-sliding table 16, the upper section of the box body 1 and the lower section of the box body 1 are connected through the excessive step 17, and the setting of the excessive step 17 can improve the pressure resistance of the disposable anti-opening lunch box.

As shown in fig. 1, the boss 14 is provided with an air hole 18, the diameter of the air hole is preferably 8mm, which can reduce the possibility that the air hole is blocked by food in the box body, the upper surface of the second groove 10 is correspondingly provided with a sealing cover 19 for sealing the air hole 18, the sealing cover 19 can be folded towards the direction of the air hole 18 to cover the air hole 18, the sealing cover 19 is provided with a sealing protrusion 20 which is engaged with the air hole 18, and the condition that the separate sealing cover 19 is lost is avoided.

The box cover 2 is provided with the containing groove 21 matched with the sealing cover 19, so that the upper cover of the box cover 2 has better flatness when the sealing cover 19 is in a closed state, and the sealing cover 19 can be prevented from being separated from the air holes 18 due to collision in the moving process of the lunch box.

The end part of the sealing cover 19 extends into the handle groove 22 communicated with the containing groove 21, the depth of the handle groove 22 is larger than that of the containing groove 21, and when the sealing cover 19 needs to be opened, the end part of the sealing cover 19 located in the handle groove 22 is held and is turned upwards.

It should be noted that the shape of the disposable anti-opening meal box in the above embodiments may be round or square, and the functional implementation of the above structure is not affected.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims

1. Disposable prevent opening cutlery box, including box body and lid, the box body is uncovered to turning over outward and turns over a formation first flat edge, and the lid is uncovered to turning over outward and turns over a formation second flat edge, and its characterized in that, the outer terminal surface on first flat edge is connected with vertical fender edge, keep off to be provided with the breach on following, breach department is connected with easily from keeping off the easy folded plate of going up the rupture along, keeps off to encircle on the inner wall that lies in first flat edge top and is provided with bellied flange, and first flat edge is close to on is provided with the first recess sunken to the lid direction, and the second is flat to turn over along outer terminal surface and turns over a formation and the second recess of first recess looks lock, and the terminal surface that the second was kept away from to the second flat edge turns over outward and forms the fender foot, the fender foot inserts the second recess and keeps off and is restricted by the flange between the edge.

2. The disposable anti-opening lunch box as claimed in claim 1, wherein the upper surface of the box cover is provided with air holes having a diameter of 8mm, the box cover is correspondingly provided with a sealing cover for sealing the air holes, and the sealing cover is provided with sealing protrusions engaged with the air holes.

3. A disposable anti-unraveling lunch box according to claim 1, wherein stoppers are distributed in the first groove.

4. The disposable anti-opening lunch box as claimed in claim 1, wherein the height of the groove wall of the first groove corresponding to the easy-to-fold plate is greater than the height of the easy-to-fold plate.

5. The disposable anti-opening lunch box as recited in claim 1, wherein the first and second grooves have a U-shaped radial cross-section, the second groove has a depth deeper than that of the first groove, and a gap is formed between the second groove and the first groove at a position close to the stopper.

6. The disposable anti-opening lunch box of claim 1, wherein the wall thickness of the first groove near the first flat edge and the second flat edge is larger than the wall thickness of the disposable anti-opening lunch box at other positions.

7. The disposable anti-opening lunch box as claimed in claim 1, wherein a boss is formed to protrude upward at the middle of the upper surface of the lid, and a downwardly recessed fitting groove is formed on the top surface of the boss to fit the bottom of the box body.

8. A disposable anti-opening lunch box according to claim 1, wherein said disposable anti-opening lunch box is one of a circular shape and a square shape.

9. The disposable anti-opening lunch box as claimed in claim 1, wherein the box cover is provided with a receiving groove engaged with the sealing cover, and an end of the sealing cover is inserted into the handle groove communicating with the receiving groove.

10. The disposable anti-unraveling lunch box according to claim 7, wherein a U-shaped reinforcing rib is connected between the boss and the second groove.