TWM639023U - Lid structure of meal box - Google Patents

Abstract

A lid structure of a lunch box, comprising: a box body with a first joint at the bottom; and a lid set at the box body in a detachable manner; part, corresponding to the first joint part; wherein, a belt is looped around the box body and the box cover, and covers at least a part of the bottom of the box body; when the two lunch boxes are stacked up and down, the box located below The second joint portion of the cover can pass through the belt at the bottom of the upper box body and form a combined state with the first joint portion of the upper box body. In this way, the lunch boxes can still be stacked stably when the drawstring is tied.

Description

Lunch box lid structure

This creation is related to the lunch box, especially refers to a lid structure of the lunch box that can be stacked stably even when the lunch box is tied with a belt.

By the way, in this era of increasingly advanced technology, the preservation of food is no longer limited by time and environment as in the past. As long as there are proper packaging methods and freezing/refrigerating methods, food can be preserved for a certain number of days and can still be eaten. Therefore, freezing / Refrigerated food has also become one of the dining choices of modern people. Common refrigerated foods, such as microwave bento, microwave fried rice, etc. commonly found in convenience stores or supermarkets, are usually in disposable lunch boxes made of plastic or paper.

The aforementioned disposable lunch box usually includes a box body and a box cover. There is an accommodating space inside the box body for accommodating food; the box cover is detachably covered above the box body to seal the accommodating space to prevent contact with outside air. Wherein, the bottom of the box usually has a space for forming a fixed state with the lid of another lunch box, so that a plurality of lunch boxes can be stacked upwards. In addition, a layer of drawstring is usually tied on the outside of the lunch box and the box cover, one is to fix the box cover and the box body, and prevent the box cover from detaching from the box body; the other is to print on the drawstring Relevant signs and art design of the products on the website to enhance the overall aesthetic effect of the products.

However, the problem with the above-mentioned lunch box is that when the lunch box is tied with a strap, part of the space at the bottom of the box body will be covered, so when several lunch boxes are stacked together, it is easy to cause the upper part of the space to be blocked by the strap. The bottom of the box body cannot fit tightly with the box cover below, resulting in unstable stacking. born. Therefore, how to solve the problem of unstable stacking of lunch boxes caused by the straps is one of the problems to be solved urgently by those in the related field.

The main purpose of this creation is to provide a lid structure for lunch boxes, which can still be stacked stably when the lunch boxes are tied with straps.

In order to achieve the above creation purpose, this creation discloses a cover structure of a lunch box, which includes: a box body with a first joint at the bottom; and a box cover, which is detachably arranged on the box body; The top of the box cover has a second joint portion corresponding to the first joint portion; wherein, a belt is looped around the box body and the box cover, and covers at least a part of the bottom of the box body; when the lunch box When stacking up and down, the second joint part of the lower box cover can pass through the belt at the bottom of the upper box body and form a combined state with the first joint part of the upper box body.

In one embodiment, the first joint portion of the box body has two slots, located on two opposite sides of the belt; the second joint portion of the box cover has two protrusions, located on the top of the box cover The two surfaces are separated by a predetermined distance; the two protrusions correspond to the two grooves respectively.

In one embodiment, the shapes of the two protrusions correspond to the shapes of the two grooves respectively.

In one embodiment, the two protrusions are roughly arcuate.

In one embodiment, the second joint portion further has a belt groove located between the two protrusions for accommodating the belt; the height of the bottom surface of the belt groove is lower than the top of the two protrusions face height.

In one embodiment, the belt groove extends radially of the box cover.

In one embodiment, the inside of the box body has an accommodating space; the box cover has an air vent, which is arranged on the bottom surface of the belt groove and communicates with the accommodating space of the box body.

In one embodiment, the box cover further has two protruding ribs, which are arranged on the bottom surface of the belt groove and respectively located on two opposite sides of the air vent; the height of the two protruding ribs is higher than the height of the air vent.

In one embodiment, the heights of the two ribs are lower than the heights of the two protrusions.

In one embodiment, two ends of each protruding rib correspond to the two protruding blocks respectively.

According to the purpose and effect of this creation, the preferred embodiments will be cited below, and the drawings will be described in detail.

1: lunch box

1a: lunch box

1b: lunch box

2: drawstring

2a: Drawstring

2b: Drawstring

10: box body

10a: box body

10b: box body

11: bottom surface

12: side

13:Accommodating space

14: opening

15: The first junction

150: storage tank

150a: container

16: ring wall

16a: ring wall

20: box cover

20a: box cover

20b: box cover

21: The second junction

210: Bump

210b: bump

211: Belt slot

211b: Belt slot

22: Vent

23: convex rib

Fig. 1 is a perspective view of one of the preferred embodiments of this creation.

Fig. 2 is a perspective view of another viewing angle of one of the preferred embodiments of this creation.

Fig. 3 is a cross-sectional view of one of the preferred embodiments of this creation.

The 4th figure is a schematic diagram of one of the preferred embodiments of this creation, showing the situation that the two lunch boxes are stacked up and down.

Figure 5 is a partial sectional view of Figure 4.

The description below with reference to each drawing is a preferred embodiment of this creation. It should be understood that these drawings and descriptions are for illustrative purposes only and are not intended to limit this creation. In addition, terms such as "upper" and "lower", "front" and "rear", "left" and "right", "first" and "second" described in the specification are used to express Clearly describe the relative positions between elements or mechanisms, and are not used as limiting terms.

Please refer to Fig. 1 to Fig. 3, one of the preferred embodiments of the invention discloses a lunch box 1, and a belt 2 can be sleeved on the outside thereof. The lunch box 1 mainly includes a box body 10 and a box cover 20 . Wherein: the box body 10 is a hollow container with a bottom surface 11 and at least one side surface 12, the side surface 12 is generally annular in this embodiment, connected to the periphery of the bottom surface 11, and goes upward along the periphery of the bottom surface 11 extend. The side surface 12 and the bottom surface 11 together enclose an accommodating space 13 for accommodating food, and an opening 14 is formed on the side surface 12 away from the bottom surface 11 to communicate with the accommodating space 13 . The box body 10 further has a first joint portion 15 disposed on the bottom surface of the box body 10 . In this embodiment, the first combining portion 15 is a groove. Wherein, the box body 10 has a ring wall 16 extending in a direction opposite to the side surface 12 and extending downward along the periphery of the bottom surface 11 . The ring wall 16 has a predetermined height, and the ring wall 16 and the bottom surface 11 jointly surround the groove. Wherein the groove and the accommodating space 13 are located on opposite sides of the bottom surface 11 . In this embodiment, the shape of the box body 10 is generally cylindrical; in another embodiment, the shape of the box body 10 can be changed into a triangle, a square or any other shape as required.

The box cover 20 is a cover-shaped component, which is detachably installed above the box body 10 and closes the opening 14 of the box body 10, so that the accommodating space 13 forms a nearly airtight space. The box cover 20 has a second joint portion 21 , a vent 22 and two ribs 23 . Wherein, the shape of the box cover 20 is corresponding to the shape of the box body 10, and the box cover 20 is roughly circular in this embodiment.

The second joint portion 21 is located on the top of the box cover 20, corresponding to the first joint portion 15 of the box body 10, for the lunch box 1 to be combined with another through the second joint portion 21 when stacked. The first joint part of the lunch box makes the lunch box 1 fixed and not topple over. Specifically, in this embodiment, the second joint portion 21 has two protrusions 210, the two protrusions 210 are roughly arcuate, located on the top of the box cover 20 and along the Extending away from the box cover 20 , the two protrusions 210 are separated by a predetermined distance. The second combining portion 21 further has a belt groove 211 formed between the two protrusions 210 and extending along the radial direction of the box cover 20 for accommodating the belt 2 . Wherein, the height of the two protrusions 210 is higher than the height of the bottom surface of the belt groove 211 .

The ventilation port 22 is located on the top of the box cover 20 and communicates with the containing space 13 of the box body 10 . Specifically, the air vent 22 is located at the bottom of the belt groove 211 , and the height of the air vent 22 is lower than the height of the two protrusions 210 . The air vent 22 is used to release the pressure from the air vent 22 when the accommodating space 13 is closed by the lid 20 , so as to prevent the pressure in the accommodating space 13 from being too high when heated. In this embodiment, the air vent 22 is roughly C-shaped; in another embodiment, the air vent 22 can be changed into a circle, a square or any other shape as required.

The two protruding ribs 23 are protruding structures disposed on the box cover 20 . Specifically, the two protruding ribs 23 are located on the bottom surface of the belt groove 211 , are separated by a second predetermined distance, and are respectively located on two opposite sides of the air vent 22 . Wherein, the height of the two protruding ribs 23 is higher than the height of the vent 22 and lower than the height of the two protrusions 210 . In addition, in this embodiment, the two protruding ribs 23 are curved elongated structures, and their extending direction is approximately perpendicular to the extending direction of the two protruding blocks 210, so the two ends of the two protruding ribs 23 correspond to the Block 210 is adjacent to one side of the belt slot 211 .

Wherein, the belt 2 is wrapped around the outside of the box body 10 and the box cover 20 for fixing the box cover 20 to the box body 10 . Specifically, the belt 2 is wrapped around the belt groove 211 of the box cover 20, the side 12 of the box body 10 and one end of the ring wall 16, and the first joint portion of the box body 10 Section 15 is divided into two to form two storage tanks 150 . Wherein, the shapes of the two protrusions 210 of the second joint part 21 are respectively corresponding to the shapes of the two container grooves 150 of the first joint part 15, so as to obtain a better joint effect. In an embodiment, each of the two protrusions 210 and the two receiving grooves 150 is arcuate. In another embodiment, the two protrusions can also be changed into corresponding shapes according to the shapes of the first combining portion divided by the belt.

When the belt 2 wraps on the box cover 20 , due to the support of the two ribs 23 , the belt 2 will be separated from the air vent 22 by a distance and will not directly contact the air vent 22 . In this way, when the lunch box 1 is tied with the belt 2 , the air vent 22 can still maintain the function of pressure relief without removing the belt 2 , which relatively improves the convenience of heating the lunch box.

According to the above-mentioned structural configuration, the actual operation and application of the lid structure of the lunch box provided by this creation is as follows: when there are multiple lunch boxes 1 in this creation, they can be stacked up and down to save space. Two lunch boxes 1a, 1b having the same structure as the lunch box 1 will be exemplified below.

Please refer to Figures 4 to 5, the lunch box 1a has a box body 10a, a lid 20a and a belt 2a that surrounds the lunch box 1a; the lunch box 1b has a box body 10b, A box cover 20b and a belt 2b surrounding the lunch box 1b. When a user intends to stack the lunch box 1a on the top of the lunch box 1b, since the lid 20b of the lower lunch box 1b has two protrusions 210b, its shape corresponds to that of the upper lunch box 1a. The two slots 150a of the box body 10a, so when the box body 10a contacts the box cover 20b, the two protrusions 210b can pass through the strap 2a and respectively extend into the two slots 150a to form a combined state. Specifically, since the height of the two protrusions 210b is higher than the height of a belt groove 211b between the two protrusions 210b, the part of the belt 2a at the bottom of the box body 10a will extend into the belt. The groove 211b is attached to the lower belt 2b without affecting the combination between the two protrusions 210b and the two grooves 150a. At the same time, since the two projections 210b extend into the two grooves 150a, a ring wall 16a extending along the bottom of the box body 10a surrounds the two grooves. The outer periphery of the protruding block 210b, whereby the ring wall 16a can limit the two protruding blocks 210b in the two receiving grooves 150a and cannot move in the horizontal direction. Compared with the traditional lunch box, when it is stacked with a belt, it will be blocked by the belt and can only rely on the edge of the lower box cover to support the bottom of the upper box. The contact area is too small, and it is easy to cause vertical or horizontal shaking. Lunch boxes stacked unstable or even toppled over. Through the combination relationship between the first joint portion 15 of the box body 10 and the second joint portion 21 of the box cover 20, the lunch box 1 can still be stacked stably while the belt 2 is tied. effect.

It should be added that, disclosed in this embodiment, the grooves 150 of the first joint portion 15 of the box body 10 correspond to the projections of the second joint portion 21 of the box cover 20 210 combined form. However, in another embodiment, it can also be applied to the combination form in which the protrusion of the first combination part of the box body corresponds to the groove of the second combination part, or other complementary shapes that can be matched with each other.

To sum up, the lid structure of the lunch box provided by this creation, by the structural design of the second joint portion 21 at the top of the lid 20 corresponding to the first joint portion 15 at the bottom of the box body 10, can Avoid being interfered by the belt 2, and effectively strengthen the structural strength of the two lunch boxes when they are stacked, so that the lunch boxes can still be stacked stably in the state of being tied with the belt, and relatively speaking, it reduces It can be described as a very practical creation for lunch box operators.

The above are the preferred embodiments and design diagrams of this creation, but the preferred embodiments and design diagrams are only examples and are not used to limit the scope of rights of this creation technology. The implementation of the scope of rights covered by the content of the "scope of patent application" does not depart from the scope of this creation and is the scope of rights of the applicant.

1: lunch box

2: drawstring

10: box body

20: box cover

21: The second junction

210: Bump

211: Belt slot

22: Vent

23: convex rib

Claims (10)

A lid structure of a lunch box, comprising: a box body with a first joint at the bottom; and a lid set at the box body in a detachable manner; part, corresponding to the first joint part; wherein, a belt is looped around the box body and the box cover, and covers at least a part of the bottom of the box body; when the two lunch boxes are stacked up and down, the box located below The second joint portion of the cover can pass through the belt at the bottom of the upper box body and form a combined state with the first joint portion of the upper box body. The lid structure of the lunch box as described in claim 1, wherein the first joint portion of the box body has two grooves located on opposite sides of the belt; the second joint portion of the lid has two protrusions Blocks are arranged on the top surface of the box cover and are separated by a predetermined distance; the two protrusions correspond to the two grooves respectively. The lid structure of the lunch box according to claim 2, wherein the shapes of the two protrusions correspond to the shapes of the two grooves respectively. The lid structure of the lunch box as described in claim 2, wherein the two protrusions are generally arcuate. The lid structure of the lunch box as described in claim 2, wherein the second joint part further has a belt groove, located between the two protrusions, for accommodating the belt; the bottom surface of the belt groove The height is lower than the height of the top surfaces of the two bumps. The lid structure of the lunch box according to claim 5, wherein the belt groove extends radially of the lid. The lid structure of the lunch box as described in claim 5, wherein the box body has an accommodating space inside; the lid has an air vent, which is located on the bottom surface of the belt groove and communicates with the container of the box body. setting space. The lid structure of the lunch box as described in claim 7, wherein the lid has two convex ribs, which are located on the bottom surface of the belt groove and are respectively located on the opposite sides of the air vent; the height of the two convex ribs is high at the height of the vent. The lid structure of the lunch box according to claim 8, wherein the height of the two ribs is lower than the height of the two protrusions. The lid structure of the lunch box according to claim 8, wherein the two ends of each rib correspond to the two protrusions respectively.

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