CN210556798U

CN210556798U - Leak protection self-heating type packing box

Info

Publication number: CN210556798U
Application number: CN201921397906.6U
Authority: CN
Inventors: 简明全
Original assignee: Chongqing Jiangtong Environmental Protection Plastic Industry Co ltd
Current assignee: Chongqing Jiangtong Environmental Protection Plastic Industry Co ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-05-19
Anticipated expiration: 2029-08-27

Abstract

The utility model discloses a leak protection self-heating type packing box, including end box, cutlery box, lid, the cutlery box is arranged in the end box, the lid lock is in on the end box, its characterized in that: a bearing platform is arranged at the edge of the bottom box close to the opening, a horizontally extending edge is arranged at the edge of the opening of the lunch box, the lunch box is positioned on the bearing platform through the horizontally extending edge, a gap for placing a heating bag is formed between the bottom of the lunch box and the inner bottom of the bottom box, and a leakage-proof pressure ring is arranged on the box cover and tightly presses the horizontally extending edge of the lunch box; the beneficial effects of the utility model include: sealed effectual, effectively prevent the interior food outflow of cutlery box, and can self-heating, concave-convex structure's end box prevents scalding effectually.

Description

Leak protection self-heating type packing box

Technical Field

The utility model relates to a meal packing field, concretely relates to leak protection self-heating type packing box.

Background

In the rapid development of food industry and food service industry, people's life rhythm is also faster and faster simultaneously, and the takeaway trade also obtains extensive development, and what be indispensable in the takeaway trade of food and beverage is exactly the packing box, and the packing box replaces traditional meal to hold the utensil and has irreplaceable advantage, and its characteristics have: low cost, convenient use, light weight and the like.

When the existing takeaway packaging box is filled with liquid food, the packaging box is laterally deviated and jolted, liquid leakage is easy to occur, inconvenience is brought to a user, and dining mood of the user is influenced.

Disclosure of Invention

To the weak point among the above-mentioned prior art, the utility model provides a leak protection is from heating type packing box, its is sealed effectual, is difficult for taking place the meal and leaks, can realize the self-heating of food simultaneously.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a leakage-proof self-heating type packing box comprises a bottom box, a lunch box and a box cover, wherein the lunch box is arranged in the bottom box, the box cover is buckled on the bottom box, the leakage-proof packing box is characterized in that a bearing platform is arranged on the edge, close to an opening, of the bottom box, a horizontal extending edge is arranged at the edge of the opening of the lunch box, the lunch box is positioned on the bearing platform through the horizontal extending edge, a gap for placing a heating bag is formed between the bottom of the lunch box and the inner bottom of the bottom box, a leakage-proof pressing ring is arranged on the box cover and tightly presses the horizontal extending edge of the lunch box, an opening edge of the bottom box is provided with an outward flange, a cover edge matched with the outward flange is correspondingly arranged on the box cover, the outward flange comprises a first vertical extending part β, a first horizontal extending part β and a second vertical extending part β which are sequentially connected, the first vertical extending part β is inwards inclined, the angle of the first vertical extending part β is alpha, the second vertical extending part β is inwards inclined, the cover edge comprises a third vertical extending part β, a second horizontal extending part β and a fourth vertical extending part β, a second vertical extending part β, which is inwards inclined at an angle of the second extending part β, and a second angle of the second vertical extending part β is limited by the second vertical extending part β.

Further, the leak protection clamping ring does the annular of undercut on the lid, the lateral wall in the outside of annular does the vertical extension of third.

further, the α is greater than the β.

Furthermore, the round opening of the lunch box is an open box with a square bottom surface, the side wall of the lunch box is provided with a plurality of ridges protruding inwards, the ridges extend upwards to the opening edge of the lunch box, and the opening edge is provided with an inwards concave notch.

Furthermore, the center of the top of the box cover is provided with an exhaust hole, and the exhaust hole is a gap cut along a preset curve on the box cover body.

Further, the lower end edge of the fourth vertical extension is provided with a stirrup protruding outwards.

Further, a first lug extending horizontally is connected to the lower end edge of the second vertical extending portion.

Further, a second lug extending horizontally is connected to the lower end edge of the fourth vertical extending part.

Furthermore, the side wall of the bottom box is provided with wavy raised wrinkles, and the middle part of the bottom surface of the bottom box is provided with an upward convex boss.

The beneficial effects of the utility model include: sealed effectual, effectively prevent the interior food outflow of cutlery box, and can self-heating, concave-convex structure's end box prevents scalding effectually.

Drawings

Fig. 1 is a schematic diagram of the explosion structure of the present invention;

fig. 2 is a schematic longitudinal section of the present invention;

fig. 3 is a partially enlarged view of fig. 2.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments and accompanying drawings.

A leakage-proof self-heating packing box as shown in figures 1-3 can be used for packing or carrying chafing dish, soup pot, etc., and comprises a bottom box 1, a lunch box 2 and a box cover 3. Wherein the lunch box 2 is arranged in the bottom box 1, and the box cover 3 is buckled on the bottom box 1.

As shown in fig. 1, an annular cushion cap 12 is arranged on the inner side of the bottom box 1 near the opening edge; the edge of the lunch box 2 is provided with a horizontal extending edge, so that the lunch box 2 can be positioned on the bearing platform 12 through the horizontal extending edge, the depth of the lunch box 2 is less than the height from the bearing platform 12 to the box bottom, and a gap for placing a heating bag is arranged between the bottom of the lunch box 2 and the inner bottom of the bottom box 1.

As shown in fig. 2, the box cover 3 is provided with the anti-leakage pressing ring 34, the anti-leakage pressing ring 34 compresses the horizontally extending edge of the lunch box 2, on one hand, the lunch box 2 can be limited, on the other hand, the preservative film can be covered on the lunch box 2 when the lunch box is packed, and the anti-leakage pressing ring 34 compresses the preservative film to prevent the food and soup in the lunch box 2 from flowing out.

as shown in fig. 3, the mouth edge portion of the bottom case 1 is provided with an outward flange 10, the case cover 3 is correspondingly provided with a cover edge 30 for closing the outward flange 10, the outward flange 10 includes a first vertical extending portion 18, a first horizontal extending portion 15, and a second vertical extending portion 16 which are connected in sequence, wherein the first vertical extending portion 18 is inclined inward, and an inclination angle thereof is α, in this embodiment, the value of α is 79 °.

The embodiment of the utility model provides an in, leak protection clamping ring 34 does the annular of undercut on the lid 34, the bottom surface of annular is leak protection clamping ring 34, the outside lateral wall of annular does the vertical extension 35 of third.

As shown in fig. 1 in the embodiment of the present invention, the open box of the square bottom surface is followed by the round opening of the lunch box 2, the ridge with a plurality of inward bulges is provided on the side wall of the lunch box 2, the ridge extends upwards to the opening edge of the lunch box 2, and the opening edge forms the notch 21 of the inner concave, which is beneficial to discharging the steam discharged by the reaction of the heat-generating bag at the bottom of the box, and in addition, the lunch box 2 can be taken out from the bottom box 1.

The center of the top of the box cover 3 is provided with an exhaust hole 32, the exhaust hole 32 is a gap cut along a preset curve on the body of the box cover 3, steam automatically backs up the exhaust hole 32 to exhaust and release pressure when the steam quantity is large, the exhaust hole 32 is closed when the steam is small, so that the steam on the inner side of the box cover 3 can maintain pressure for a period of time, and further the heating effect of food is better.

The lower end edge of the fourth vertical extension part 37 is provided with a hoop rib 39 protruding outwards, so that the strength of the edge of the box cover 3 is increased, and the box cover 3 is not easy to tear when opened.

A horizontally extending first lug 11 is attached to the lower end edge of the second vertical extension 16 to facilitate opening of the lid 3. A second lug 31 extending horizontally is connected to the lower end edge of the fourth vertical extension 37.

In order to increase the strength of the bottom case 1 and achieve the anti-scald effect, in this embodiment, the side wall of the bottom case 1 is a corrugated raised fold 14, and the middle of the bottom surface of the bottom case 1 is an upward convex boss 13.

The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.

Claims

1. A leakage-proof self-heating type packing box comprises a bottom box (1), a lunch box (2) and a box cover (3), wherein the lunch box (2) is arranged in the bottom box (1), the box cover (3) is buckled on the bottom box (1), the leakage-proof self-heating type packing box is characterized in that a bearing platform (12) is arranged on the edge, close to the opening, of the bottom box (1), a horizontally extending edge is arranged on the edge of the lunch box (2), the lunch box (2) is positioned on the bearing platform (12) through the horizontally extending edge, a gap for placing a heating bag is formed between the bottom of the lunch box (2) and the inner bottom of the bottom box (1), a leakage-proof pressure ring (34) is arranged on the box cover (3), the horizontally extending edge (34) of the leakage-proof pressure ring (2) is pressed, an outer flanging (10) is arranged on the recessed edge of the bottom box (1), a cover edge (30) which is correspondingly provided with a vertical extending part (18) which is connected with a first vertical extending part (18), a second extending part (15) and a second extending part (16) which is inclined towards the vertical extending part, a second extending part (17) is inclined towards the upper angle limiting part, a second extending part (17) which is connected with a second extending part (16) which is inclined towards the vertical extending part, a vertical extending part (17), and a second extending part which is inclined towards the vertical extending part which is inclined towards the upper angle is connected with a second extending part (17, and a second extending part (17, the vertical extending part (17, the second extending part (16) which is inclined towards the vertical extending part, the.

2. A leak resistant self-heating type packing box according to claim 1, wherein: leak protection clamping ring (34) do undercut's annular on lid (3), the lateral wall of annular does vertical extension of third (35).

3. the leak-proof self-heating type packing box according to claim 1, wherein said α is larger than said β.

4. A leak resistant self-heating type packing box according to claim 1, wherein: the round opening of the lunch box (2) is along the open box of square bottom surface, the side wall of the lunch box (2) is provided with a plurality of ridges protruding inwards, the ridges extend upwards to the opening edge of the lunch box (2), and an inwards concave notch (21) is formed at the opening edge.

5. A leak resistant self-heating type packing box according to claim 1, wherein: the top center of the box cover (3) is provided with an exhaust hole (32), and the exhaust hole (32) is a gap cut along a preset curve on the body of the box cover (3).

6. A leak resistant self-heating type packing box according to claim 1, wherein: the lower end edge of the fourth vertical extension part (37) is provided with a hoop (39) protruding outwards.

7. A leak resistant self-heating type packing box according to claim 1, wherein: the lower end edge of the second vertical extension part (16) is connected with a first lug (11) which extends horizontally.

8. A leak resistant self-heating type packing box according to claim 1, wherein: the lower end edge of the fourth vertical extension part (37) is connected with a second lug (31) which extends horizontally.

9. A leak resistant self-heating type packing box according to claim 1, wherein: the side wall of the bottom box (1) is provided with wave-shaped raised wrinkles (14), and the middle part of the bottom surface of the bottom box (1) is provided with an upward convex boss (13).