KR101249002B1 - Stackable lunch box - Google Patents

Abstract

PURPOSE: A stackable lunch box is provided to easily manufacture a lunch box with disposable boxes, and to flexibly vary the number of layers in the lunch box depending on the needs of a consumer. CONSTITUTION: A stackable lunch box includes a box main body(100) and a box lid(200). The box main body includes a bottom surface and side walls(110) surrounding the edges of the bottom surface. The bottom surface and the side walls form a food housing space. The side wall has an inner wall, an outer wall, and a connecting part. The inner wall is upwardly extended from the edge of the bottom surface. The outer wall is separated from the inner wall at a certain interval so that a coupling gap can be formed between the inner wall and the outer wall. The connecting part connects the upper end of the inner wall and the upper end of the outer wall.

Description

Stackable Lunch Box {Stackable Lunch Box}

The present invention relates to a bento container, and more particularly, to a bento lunch box container that can be coupled to the various layers of the bento container.

Disposable lunch boxes are popular among busy modern people who do not have time to prepare their own lunch boxes. Disposable lunch boxes are used in homes, schools, companies, etc., and are also very popular during outdoor activities for leisure.

In recent years, as the interest in a healthy diet is increasing, the dietary culture is changing so that various side dishes can be evenly eaten. Accordingly, the demand for disposable lunch boxes that can provide a variety of side dishes is increasing.

The existing disposable lunch box was divided into a portion of a lunch box container and a side dish to accommodate various side dishes, as shown in 20-0398939 for the registration room. However, such a bento container should contain both rice and side dishes in one layer of a bento container, so that the area of the bento container becomes wider to hold many kinds of side dishes, making it inconvenient to carry. In addition, such a lunch box container has a disadvantage that it is difficult to add a side dish according to the taste of consumers because the side dishes compartment is already determined.

In order to satisfy the needs of various diets and to carry easily, it is desirable to use our own bento box. However, the fusion requires a coupling structure for joining the containers of the upper and lower layers of the bundling together, such as the notification number practical 1980-0000807, because the containers stacked in multiple layers must be bonded without flowing to each other. Application of such a coupling structure to a disposable lunch box increases the manufacturing cost of the disposable lunch box container, which leads to difficulty in application, and also because the number of layers of the lunch box containers that can be stacked according to the coupling structure is limited. Is difficult to change fluidly.

The problem to be solved by the present invention is that it can be laminated in a multi-layer, simple coupling structure to combine the lunch box container of the upper and lower layers is easy to manufacture into a disposable container, and to change the number of layers of the container according to the needs of the consumer fluidly It is to provide a side dish container which can be served.

The bento lunch box of the present invention for solving the above problems includes a bottom surface and sidewalls surrounding the edges of the bottom surface, and the bottom surface and the sidewall form a food storage space, and the sidewall is an edge of the bottom surface. A container body including an inner wall extending upwardly from the inner wall, an outer wall spaced apart from the inner wall to form a coupling gap between the inner wall, and a connecting portion connecting an upper end of the inner wall and an upper end of the outer wall; And a cover surface which covers the food storage space and a coupling edge portion formed at an edge of the cover surface. Concave indentation groove is formed is formed, the upper surface of the engaging edge portion includes a container lid, which is formed with a protrusion that can be inserted into the coupling gap formed in the inner wall and outer wall of the container body.

Here, the container body further includes a partition which protrudes upward from the bottom surface to partition the food storage space, wherein the partition is a cover surface of the container lid when the container lid is covered with the container body. It may be formed to a height that can contact.

Further, at least a portion of the side wall of the container body is provided with a first recess recessed downward from the extension portion, and recessed downward from the connecting edge at a position facing the first recess of the joining edge portion of the container lid. Second recesses may be formed.

The container further includes a lower container including a lower container side wall and a lower container bottom surface, wherein the container body is formed to extend outwardly from a lower end of the outer wall and vertically extending downward from an outer side of the horizontal part. Further comprising a coupling structure including a portion, the side wall of the lower container may be coupled to the coupling structure.

In addition, the coupling structure may include a coupling protrusion protruding from the inner surface of the vertical portion to contact the lower container side wall.

The bento lunch box of the present invention for solving the above problems includes a bottom surface and sidewalls surrounding the edges of the bottom surface, and the bottom surface and the sidewalls include a plurality of container bodies forming a food storage space. In the lunch box, the side wall is an inner wall extending upwardly from the edge of the bottom surface, an outer wall spaced apart from the inner wall by a predetermined interval to form a coupling gap between the inner wall, connecting the upper end of the inner wall and the upper end of the outer wall And a connecting part to protrude from the inner wall toward the outer wall, and a lamination protrusion protruding toward the inner wall from an inner surface of the outer wall.

Here, when the plurality of container bodies are stacked, the protruding walls of the container bodies stacked on the upper portion may be placed on the connection portion of the container body placed on the lower portion.

In addition, when the plurality of container bodies are stacked, the plurality of container bodies may be coupled to each other in contact with the outer wall of the container body in which the stacking protrusions of the container bodies stacked on the upper side are placed at the bottom.

In addition, the stacking groove is formed in the position of the outer wall of the lower container main body in contact with the stacking projection of the container body to be stacked on the upper portion can be the projection projection and the stacking grooves are mutually coupled.

The lunch box container of the present invention having the above configuration can be laminated in multiple layers, and the coupling structure combining the lunch box containers of the upper and lower layers is easy to manufacture as a disposable container, and the number of layers of the container container according to the needs of the consumer. Can be changed fluidly.

1 is an exploded perspective view showing a bento lunch box according to a first embodiment of the present invention.
Figure 2 is a cross-sectional view showing a cross-sectional view of the combined lunch box container according to the first embodiment of the present invention.
3 is an exploded perspective view showing a bento lunch box according to a second embodiment of the present invention.
Figure 4 is a perspective view showing a state in which the lunch box lunch box is coupled according to a second embodiment of the present invention.
FIG. 5 is a cross-sectional view illustrating a cut-away lunch container shown in FIG. 4 taken along a cutting line II ′. FIG.

Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout.

Hereinafter, a bento lunch box according to a first embodiment of the present invention will be described in detail with reference to FIGS. 1 and 2.

1 is an exploded perspective view showing a lunch box lunch box according to a first embodiment of the present invention, Figure 2 is a cross-sectional view showing a cross-sectional view of the cup lunch container according to the first embodiment of the present invention.

1 to 2, the bento lunch box according to the first embodiment of the present invention includes a first container body 100 and a first container lid 200 covering an upper portion of the first container body 100. , A second container body 100 ′, and a second container lid 200 ′ covering an upper portion of the second container body 100 ′.

The first and second container bodies 100 and 100 'are formed to be stacked in multiple layers in a state in which the container lids 200 and 200' are coupled to each other, and thus, the first container body 100 is illustrated in the drawing. And a second container body 100 ′ and a second container lid 200 ′ may be stacked on the first container lid 200.

In the present embodiment, for example, the lunch box has a horizontal cross section having a square shape, but the present invention is not limited thereto, and the shape of the horizontal cross section may be formed in a triangle, a rectangle, or a circle according to an embodiment.

The container body 100 includes a bottom surface 132 and a side wall 110 surrounding an edge of the bottom surface 132. The bottom surface 132 and the side wall 110 form a food storage space 130 to accommodate food such as side dishes.

The side wall 110 is formed of a double wall structure of the inner wall 116 and the outer wall 112, the inner wall 116 extends upward from the edge of the bottom surface 132. The outer wall 112 is spaced apart from the inner wall 116 by a predetermined interval to form a coupling gap 118, the upper end of the outer wall 112 and the upper end of the inner wall 116 is connected by a connecting portion 114.

That is, the inner wall 116 is formed to extend upward from the bottom surface 132, the connecting portion 114 is formed to extend a predetermined width from the upper end of the inner wall 116 to the outside, the outer wall 112 is the connecting portion 114 It extends downward from the outer edge of the). At this time, the height direction length of the outer wall 112 is formed longer than the height direction length of the inner wall 116, the lower end of the outer wall 112 may extend to a position lower than the bottom surface 132 of the container body 100. .

The container lid 200 is coupled to the upper portion of the container body 100. The container lid 200 includes a cover surface 230 that can cover the food storage space 130 and a joining edge portion 210 that extends to an edge of the cover surface 230.

Coupling edge 210 includes an inner border 216, a connecting border 214 and the outer border 212, the inner border 216 extends at a constant height upward from the edge of the cover surface 230 The connection border 214 is formed extending from the upper end of the inner border 216 to a predetermined width, the outer border 212 is formed to extend downward from the outer edge of the connecting border 214.

The lower surface of the engaging edge portion 210 forms an indentation groove surrounded by the outer border 212, the connecting border 214 and the inner border 216, wherein the width of the indentation groove is the connection portion 114 of the container body 100 The outer border 212 is in contact with the outer wall 112 of the container body 100, and the inner border 216 is in contact with the inner wall 116 of the container body 100. That is, the shape of the recess groove is formed to match the shape of the upper side of the side wall 110 of the container body. Therefore, the side wall 110 of the container body 100 can be inserted into the recessed groove to be fixed, whereby the container body 100 and the container lid 200 can be coupled.

On the other hand, the upper surface of the engaging edge portion 210 forms a protrusion consisting of the outer edge 212, the connecting edge 214, and the inner edge 216, wherein the width of the protrusion is the outer wall 112 of the container body 100 ) And the inner wall 116 is formed to match the width of the coupling gap 118 formed spaced apart so that the protrusion can be inserted into the coupling gap 118 of the main body container 100 to be fixed.

As shown in FIGS. 1 and 2, when the second container body 100 ′ is positioned and coupled to an upper portion of the first container body 100 and the first container lid 200, the first container lid 200 is combined. The outer edge 212 of the) is in contact with the outer wall 112 'of the second container body 100', and the inner edge 216 of the first container lid 200 is the inner wall of the second container body 100 '. You will come across 116 '. Therefore, the first container lid 200 can be coupled to the lower portion of the second container body 100 '.

In this way, since the second lunch box container can be stacked on the first lunch box container, and the third, fourth, and nth lunch box containers can be laminated, the lunch box container can be easily stacked in multiple layers as necessary. do.

In addition, since the complicated lunch box structure is not necessary in laminating such a lunch box container, the bento lunch box of the present invention can be easily molded from a synthetic resin film such as PE (Poly Ethlylene) by a compressed air molding method or the like. The low manufacturing cost makes it suitable for use in disposable lunchbox containers.

Hereinafter, the bento lunch box according to the second embodiment of the present invention will be described in detail with reference to FIGS. 3 to 5. The same description as that in the first embodiment will be omitted.

Figure 3 is an exploded perspective view showing a lunch box lunch box according to a second embodiment of the present invention, Figure 4 is a perspective view showing a state of the lunch box lunch box container according to a second embodiment of the present invention, Figure 5 It is sectional drawing which shows the cross section which cut | disconnected the bento type lunch box shown in FIG. 4 along the cutting line II '.

3 to 5, the lunch box container according to the second embodiment of the present invention includes a lower container 10, a first container body 100, and an upper portion of the first container body 100. The first container lid 200, the second container body 100 ′, and the second container lid 200 ′ covering an upper portion of the second container body 100 ′ are included.

The lower container 10 comprises a side wall 12 and a bottom surface 14 and forms a space 16 in which basic foods, such as rice, can be stored.

The first container body 100 is stacked above the lower container 10. The container body 100 includes a side wall 110 that surrounds the edge of the bottom surface 132 and forms a food storage space 130.

The side wall 110 is formed of a double wall structure of the inner wall 116 and the outer wall 112, and the inner wall 116 extends upward from an edge of the bottom surface 132. The outer wall 112 and the inner wall 116 are spaced apart from each other to form a coupling gap 118, and the upper end of the outer wall 112 and the upper end of the inner wall 116 are connected by a connection part 114.

The lower end of the outer wall 112 is formed with a coupling structure 170 that can be coupled to the side wall 12 of the lower container (10). The coupling structure 170 includes a horizontal portion 172 extending outward from the bottom of the outer wall 112 and a vertical portion 174 extending downward from the outside of the horizontal portion 172. . As shown in FIG. 5, since the distance from the vertical portion of the left coupling structure to the vertical portion of the right coupling structure is equal to the distance from the top of the left side wall of the lower container 10 to the top of the right side wall, the lower container 10 May be inserted into and coupled to the coupling structure 170 of the container body 100. Here, the coupling protrusion 176 may be formed on the inner side surface of the vertical portion 174 of the coupling structure 170. The coupling protrusion 176 contacts the side wall 12 of the lower container 10, thereby making it possible to more tightly bind the lower container 10 to the coupling structure 170.

In addition, a first recess 190 recessed downward may be formed in at least a portion of the extension part 114 of the side wall 110 of the container body 100. The first recess 190 may be formed at positions facing each other of the pair of side walls 110 facing each other among the side walls 110 of the container body 100. The function of the first recess 190 will be described later.

The container lid 200 is coupled to the upper portion of the container body 100. The container lid 200 includes a cover surface 230 capable of overturning the food storage space 130 and a coupling edge portion 210 extending from an edge of the cover surface 230.

Coupling rim 210 includes an inner border 216, a connecting border 214 and the outer border (212). The lower surface of the coupling edge portion 210 forms a recess groove surrounded by the outer border 212, the connecting border 214 and the inner border 216, the side wall 110 of the container body 100 is inserted into the recess groove Can be fixed.

In this case, a second recess 290 recessed downward may be formed in at least a portion of the connection edge 214. The second recess 290 may be formed at a position facing the first recess 190 to be in contact with the first recess 190. The first recess 190 and the second recess 290 increase the frictional force because the engaging edge portion 210 of the container lid 200 widens the contact area with the side wall 100 of the container body 100. Thus, the container lid 200 can be more tightly bound to the container body 100. In addition, as illustrated in FIG. 4, since the wooden chopsticks may be mounted on the upper portion of the second recess 290, the user's convenience may be achieved.

On the other hand, the food storage space 130 of the container body 100 may be partitioned by a partition (150). The partition 150 is formed to protrude upward from the bottom surface 132, and the height of the partition 150 is lower than the height of the side wall 110. Specifically, the partition 150 may be formed at a height that can contact the cover surface 230 of the container lid 200 when the container lid 200 is covered on the container body 100. Therefore, the partition 150 effectively partitions the food storage space 130 so that various foods can be stored without being mixed with each other. In addition, the partition 150 also serves to help the cover surface 230 of the container lid 200 to support the weight of the bento container placed on top of the container lid 200. In the drawing, one partition 150 is formed to divide the food storage space 130 into two spaces, but it is apparent to those skilled in the art that the number and shape of the partitions 150 may vary according to embodiments. .

FIG. 6 is an exploded perspective view illustrating a bento lunch box according to a third embodiment of the present invention, and FIG. 7 is a cross-sectional view showing a state of the bento lunch box according to the third embodiment of the present invention.

6 to 7, the bento lunch box according to the third embodiment of the present invention may include a lower container 10, a first container body 100, and an upper portion of the first container body 100. And a container lid 200 covering the upper portion of the second container body 100 'and the second container body 100'.

The first container body 100 and the second container body 100 ′ are formed to be stacked in multiple layers, and as shown in FIG. 7, the second container body 100 is disposed on the upper portion of the first container body 100. ') Can be stacked.

The container body 100, 100 ′ comprises a bottom surface 132 and a side wall 110 surrounding the edge of the bottom surface 132, the side wall 110 having an inner wall 116 and an outer wall 112. It is formed into a double wall structure. Since the basic structure of the side wall 110 is the same as that of the side wall 110 of the second embodiment of the present invention, except for the special description, the overlapping description will be omitted.

In the third embodiment of the present invention, in order to be able to stack the second container body 100 'on the first container body 100, one or more of the inner walls 116 of the container bodies 100, 100' are provided. Protruding wall 115 may be formed. The protruding wall 115 may be integrally formed with the inner wall 116 and may protrude from the inner wall 116 toward the outer wall 112.

In this case, the inner wall 116 may be formed to have an inclination inclined outward toward the upper side, and the protruding wall 115 may be formed to be relatively perpendicular to the inner wall 116. Alternatively, the protruding wall 115 may be formed to have an inclination inwardly toward the upper side. Therefore, the upper portion of the protruding wall 115 may not protrude from the inner wall 116, and may protrude from the inner wall 116 toward the lower portion of the protruding wall 115.

In particular, the protruding wall 115 is connected to the connection portion 114 of the first container main body 100 located below when the second container main body 100 ′ is stacked on the first container main body 100. It protrudes so that the lower part is put. When the second container main body 100 ′ is stacked on the first container main body 100 as shown in FIG. 7, the lower portion of the protrusion 115 of the second container main body 100 ′ is connected to the first container main body 100. The second container body 100 ′ may be stacked on the first container body 100 without being superimposed on the first container body 100.

On the other hand, the bottom of the outer wall 112 of the container body (100, 100 ') is formed with a laminated projection 117 protruding toward the inner wall 116 from the inner surface of the outer wall 112, the container body (100, 100) The upper portion of the outer wall 112 of ') may be formed with a stacking groove (not shown) that can be combined with the stacking protrusion 117. When the first container main body 100 and the second container main body 100 'are stacked as shown in FIG. 1 is in contact with the outer wall 112 of the container body 100, the laminated groove (not shown) to be formed at the position of the outer wall 112 of the lower container body in contact with the stacking protrusion 117 'of the upper container body. Can be.

Therefore, when the stacking protrusions 117 and the stacking grooves are stacked on the container bodies 100 and 100 ', the first container body (2) is placed on the lower portion of the second container body 100' stacked on top of each other. 100) can be fixed.

 According to the third embodiment of the present invention, the bento lunch box has the advantage that the container can be stacked using only one container cover even if the plurality of container bodies are stacked in multiple stages.

It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. The scope of the present invention is shown by the following claims rather than the above description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention. do.

10: lower container 100: container body
110: side wall 130: food storage space
150: partition 170: coupling structure
190: first recess 200: container lid
210: joining edge 230: cover
290: second recess

Claims (9)

A bottom surface and a side wall surrounding an edge of the bottom surface, wherein the bottom surface and the side wall form a food storage space, and the side wall is an inner wall extending upwardly from an edge of the bottom surface, and a predetermined distance from the inner wall. A container body including an outer wall spaced apart from each other to form a coupling gap between the inner wall, and a connecting portion connecting an upper end of the inner wall and an upper end of the outer wall; And
A cover surface which covers the food storage space and a coupling edge portion formed at an edge of the cover surface, and the lower surface of the coupling edge portion is recessed upward to correspond to the shape of the upper portion of the side wall to insert the upper portion of the side wall. And a concave groove that can be coupled to each other, and an upper surface of the coupling edge portion includes a container lid having a protrusion that can be inserted into and coupled to a coupling gap formed by an inner wall and an outer wall of the container body. Vessel. The method of claim 1,
The container body further includes a partition which protrudes upwardly from the bottom surface to partition the food storage space, and the partition is in contact with a cover surface of the container lid when the container lid is covered by the container body. Cupped lunch box formed at a height. The method of claim 1,
At least a portion of the side wall of the container body is provided with a first recess recessed downward from the extension portion,
The lunch box container of claim 2, wherein a second recess recessed downward from the connecting edge is formed at a position facing the first recess of the joining edge portion formed of an inner edge, a connecting edge, and an outer edge of the container lid. The method of claim 1,
Further comprising a lower container comprising a lower container side wall and a lower container bottom surface,
The container body further includes a coupling structure including a horizontal portion extending from the lower end of the outer wall and a vertical portion extending downward from the outside of the horizontal portion,
Side wall of the lower container can be coupled to the coupling structure, lunch box lunch box. 5. The method of claim 4,
And the coupling structure includes a coupling protrusion protruding from an inner side of the vertical portion to contact the lower container side wall. In a lunch box lunch box container comprising a bottom surface and a side wall surrounding the edge of the bottom surface and the bottom surface and the side wall comprises a plurality of container body to form a food storage space,
The side wall may include an inner wall extending upwardly from an edge of the bottom surface, an outer wall spaced apart from the inner wall to form a coupling gap between the inner wall, a connection part connecting an upper end of the inner wall and an upper end of the outer wall, the inner wall And a lamination protrusion projecting from the inner side of the outer wall toward the inner wall from the inner wall of the outer wall. The method according to claim 6,
When the plurality of container bodies are stacked,
A bento lunch box container, wherein the protruding wall of the container body stacked on the top lies on a connection of the container body on the bottom. The method according to claim 6,
When the plurality of container bodies are stacked,
A bento lunch box container, wherein the plurality of container bodies are coupled to each other in contact with an outer wall of the container body in which a stacking protrusion of the container body stacked on the upper side is placed. The method of claim 7, wherein
The bento lunch box container, wherein a stacking groove is formed at a position of an outer wall of the bottom of the container main body in contact with the stacking protrusions of the container body stacked on the upper portion, and the stacking protrusion and the stacking grooves are connected to each other.

Images