JPH0741371Y2 - Lunch box - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a lunch box.

[Conventional technology]

Conventionally, as a lunch box, two containers having an open top and a lid are provided, and a stopper is rotatably attached to both sides of the lid, and the stopper is rotated to engage the stopper. The engaged portion to be disengaged is formed on one of the two containers, and the remaining container is stacked on the container having the engaged portion,
A structure in which the opening end of the upper container is closed by a lid, and the stopper is engaged with the engaged portion in this state so that the two containers can be assembled in a state of being stacked in two upper and lower stages. It has been known.

[Problems to be solved by the device]

Conventionally, this type of lunch box can be assembled only in a state where two containers are stacked, so it is bulky and obstructs when not in use, such as when taking it home after taking it home or storing it. There was a drawback that

Further, even when the contents are small and the container can be sufficiently filled in one container, the two containers must be stacked and used, and an extra unnecessary container must be carried.

In view of the above circumstances, the present invention can be made into a compact state at the time of storage or after eating the contents, and it is possible to stack two containers according to the amount of the contents and use only one container. The idea is to provide a lunch box that can also be used.

[Means for Solving the Problems]

A lunch box according to the present invention includes two containers having an upper opening, an inner lid that closes an opening end of one of the two containers, and an upper lid, and the other container is in the one container. Is formed in such a size that the inner lid can be inserted into and removed from the open end of the one container, and the bottom portion of the other container is fitted into the upper surface of the other lid so that Positioning recesses for positioning the container with respect to the inner lid are formed, and stoppers are rotatably attached to both side portions of the upper lid, and the stopper has the middle portion at the open end of the one container. With the lid fitted, and with the bottom portion of the other container fitted into the positioning concave portion of the inner lid, the stopper is attached in a state where the upper lid is superposed on the inner lid via the other container. By rotating the A first engaging portion that is engaged with and disengaged from an engaged portion provided on both sides of the inner lid is fitted into the open end of the one container, and A second engaging portion that is engaged with and disengaged from an engaged portion of the one container is formed by rotating the stopper in a state where the upper lid is directly overlapped with the one lid. Engagement of the one container in a state in which the upper lid is superposed on the fitted inner lid via the other container and in a state in which the upper lid is directly superposed on the inner lid fitted in the one container The first engaging portion and the second engaging portion of the stopper are selectively engaged with the portion.

[Action]

According to the above configuration, the inner lid is fitted into the open end of one container, and the bottom portion of the other container is fitted into the positioning recess of the inner lid, so that the upper lid is superposed on the inner lid via the other container. After matching, by engaging the engaged portion of one container with the first engaging portion of the stopper, the other container can be assembled in a state of being superposed on the other container.

Also, after eating, store the other container in one container, insert the inner lid into the open end of this one container, and overlay the upper lid directly on the inner lid. By engaging the engaged portion of the second engaging portion of the stopper, the other container can be assembled in a state of being housed in the one container. Moreover, without accommodating the other container in the one container, the inner lid is fitted into the open end of the one container, and the upper lid is directly superposed on the inner cover, and then the engaged portion of the one container is engaged. If the second engaging portion of the stopper is engaged with, it is possible to use only one container without using the other container.

〔Example〕

1 to 7 show an embodiment of a lunch box according to the present invention. This lunch box is a large container (one container)
1, a middle container (the other container) 2, a small container 3, an inner lid 4 and an upper lid 5.

The large container 1, the middle container 2, and the small container 3 are all formed in a box shape and are open at the top. The middle container 2 is formed in a size that can be stored in the large container 1, and the small container 3 is formed in a size that can be stored in the middle container 2. Thin plate-shaped protrusions (engaged portions) 11 extending in the width direction are formed on both sides of the opening end of the large container 1 in the width direction. A small protrusion 12 is formed at the tip of each protrusion 11 in the width direction so as to protrude downward.

The inner lid 4 is formed in a substantially rectangular shape that is slightly larger than the substantially rectangular opening end of the large container 1, and a projecting wall 41 that fits with the opening end of the large container 1 is formed on the lower surface along the inside of the outer peripheral edge. Has been formed. Therefore, the inner lid 4 can be attached so as to close the open end of the large container 1 by fitting the protruding wall 41 into the open end of the large container 1. Three of the four corners of the inner lid 4 are rounded off along the rounded corners of the large container 1, and the remaining corners are removed.
42 is left in a sharp state so as to largely project from the corner of the large container 1. Therefore, when the inner lid 4 attached to the large container 1 is peeled off, the protrusion 11 of the large container 1 is hooked with the finger of one hand to hold the large container 1, and the fingers of the remaining hands are removed. The inner lid 4 can be easily peeled off from the large container 1 by hooking the protruding corner portion 42 of the lid 4 and applying a force in a direction away from the large container 1. A positioning recess 43 for positioning the inner container 2 with respect to the inner container 4 is formed on the upper surface of the inner container 4 by fitting the bottom portion of the inner container 2 therein.

The upper lid 5 is formed in a substantially rectangular shape that is slightly larger than the substantially rectangular opening end of the middle container 2 and has substantially the same size as the substantially rectangular opening end of the large container 1. An outer wall 51 projecting downward is formed on the entire outer peripheral edge of the upper lid 5, and an inner wall facing the outer wall 51 at a constant interval on the lower surface of the upper lid 5.
52 are formed. In the groove 53 formed between the outer wall 51 and the inner wall 52, a packing 54 having a protruding lower part is removably fitted. A semicircular cutout 55 is formed in the front portion of the outer wall 51, and hinge portions 56 are formed on both sides of the outer wall 51.
The stopper 6 is attached via the so as to be rotatable in the directions of arrows A and B in FIG.

A first engaging hole (first engaging portion) 61 and a second engaging hole (second engaging portion) 62 extending in the longitudinal direction are formed at the tip and the root of the stopper 6, respectively. These first engaging holes
Each of the 61 and the second engagement hole 62 is formed in a size that allows the projecting piece 11 of the large container 1 to be inserted therethrough. First engaging hole 61
Is such that the inner lid 4 is fitted into the open end of the large container 1, and the bottom portion of the inner container 2 is fitted into the positioning recess 43 of the inner lid 4 so that the upper lid 5 is placed on the inner lid 4 via the inner container 2. It is provided at a position where the projecting piece 11 of the large container 1 is fitted in and pulled out by rotating the stopper 6 in a state where they are overlapped with each other. Further, the second engagement hole 62 allows the stopper 6 to be rotated in a state where the inner lid 4 is fitted into the opening end of the large container 1 and the upper lid 5 is directly superposed on the inner lid 4. Due to the large container 1
It is provided at a position where the projecting piece 11 of FIG. Further, the inner surfaces of the engagement holes 61, 62 abut against the small protrusions 12 of the projecting piece 11 when the stopper 6 is rotated in each of the above states.
Small protrusions 63, 64 for restricting the projection piece 11 from being inserted and removed are formed on the base plate 2.

In the above structure, the large container 1 is changed from the disassembled state of FIG.
The small container 3 is stored in the inner container 4, the inner lid 4 is fitted into the open end of the large container 1, and the bottom portion of the inner container 2 is fitted into the positioning recess 43 of the inner lid 4 so that the inner container 2 is placed on the inner lid 4. Then, the packing 54 is pressed against the opening edge of the middle container 2 so that the upper lid 5 closes the opening end of the middle container 2. Then, from this state, when the stopper 6 is rotated in the direction of arrow A in FIG. 1, the small raised portion 63 of the first engaging hole 61 comes into contact with the small protrusion 12 of the projecting piece 11. After that, when the stopper 6 is further urged in the direction of arrow A in FIG. 1, the small protrusion 63 tries to get over the small protrusion 12, the stopper 6 and the upper lid 5 are pulled downward, and the open end of the middle container 2 is closed. The packing 54 interposed in a compressed state between the edge and the upper lid 5 is further compressed. As a result, the stopper 6 shifts downward, the small protrusion 63 gets over the small protrusion 12, and the projecting piece 11 is fitted into the first engaging hole 61, so that the state shown in FIGS. 2 to 4 can be assembled. become. In addition,
When the small raised portion 63 gets over the small protrusion 12, the packing 54 is restored, and accordingly, the upper lid 5 and the stopper 6 are pushed upward. Therefore, the small ridge 63 is a small protrusion.
After climbing over 12, the small raised portion 63 is caught by the small protrusion 12 and the projecting piece 11 is prevented from coming off from the first engaging hole 61.

After the assembling, the first engagement hole 61 and the projecting piece 11 are engaged with each other, so that the large container 1 and the upper lid 5 are coupled to each other via the stopper 6. Moreover, the inner lid 4 and the inner container 2 are sandwiched between the large container 1 and the upper lid 5 which are connected to each other, and the inner lid 4 is fitted into the large container 1, and the positioning recess 43 of the inner lid 4 is formed. The bottom of the middle container 2 is fitted in the inner container 4 so that the middle lid 4 and the middle container 2 do not laterally shift with respect to the large container 1. Therefore, after being assembled in the above state, the large container 1, the inner lid 4, the inner container 2 and the upper lid 5 are held in this assembled state without being separated individually.

Further, from the disassembled state of FIG. 1, the middle container 2 and the small container 3 are housed in the large container 1, the inner lid 4 is fitted into the open end of the large container 1, and the upper lid 5 is put on the inner lid 4. To Then, from this state, when the stopper 6 is rotated in the direction of arrow A in FIG. 1, the small raised portion 64 of the second engagement hole 62 of the stopper 6 comes into contact with the small protrusion 12 of the projecting piece 11, After the contact, when the stopper 6 is further urged in the direction of arrow A in FIG.
After passing over 12, the projecting piece 11 is fitted into the second engaging hole 62 and can be assembled in the state shown in FIGS. 5 to 7.

After the assembling, the second engagement hole 62 and the projecting piece 11 are engaged with each other, so that the large container 1 and the upper lid 5 are coupled to each other via the stopper 6, so that the assembled state is maintained. Become so.

Furthermore, from the disassembled state of FIG. 1, a state in which an inner lid 4 is fitted into the open end of the large container 1 without accommodating the inner container 2 in the large container 1 and an upper lid 5 is covered on the inner lid 4. Then, when the projecting piece 11 is engaged with the second engaging hole 62 of the stopper 6, the middle container 2 is assembled from the state shown in FIGS. 5 to 7. In this case, if the small container 2 is not housed in the large container 1, the medium container 2 and the small container 2 can be assembled in the state shown in FIGS. 5 to 7.

In order to change the assembled state to the disassembled state of FIG. 1, the stopper 6 is rotated with a strong force in the direction of the arrow B of FIGS. 2 and 5, and the projecting pieces 11 are engaged with each other. It should be removed from the holes 61 and 62.

As described above, according to the configuration of this lunch box, as shown in FIGS. 2 to 4, the large container 1 and the middle container 2 can be assembled in a state in which they are vertically stacked. As shown in FIGS. 1 to 7, the middle container 2 can be assembled in a state of being housed in the large container 1, and can also be assembled in a state of removing the middle container 2 from the state shown in FIGS. 5 to 7. . Therefore, as shown in FIG. 2 to FIG. 4, a large amount can be packed by assembling the large container 1 and the middle container 2 in a state of being vertically stacked. Also, when the amount of filling is small and only the large container 1 can be filled, the medium container 2
5 to 7 without using the intermediate container 2
By assembling in a state in which is removed, it is not necessary to carry an extra unnecessary container (medium container 2). Moreover, when not in use, such as when storing, when the large container 1 and the medium container 2 are used in a state in which they are stacked in two layers, and when the contents are eaten and brought home, As shown, if the medium container 2 is assembled in the large container 1, it can be stored or taken home in a compact state.

Further, in the configuration of the lunch box, the notch 55 is formed in the front portion of the outer wall 51 of the upper lid 5. Therefore, for example, the medium container 2
After putting a hot thing into the state shown in FIG. 2 to FIG. 4 and assembling it in the state shown in FIG. 2 and FIG. 4, the pressure in the inner container 2 is lowered and the upper lid 5 becomes difficult to remove. If you lift the packing 54 exposed on the
The outside air can be introduced into the middle container 2 through the through, whereby the pressure in the middle container 2 can be increased and the upper lid 5 can be easily removed. Moreover, packing is provided at the notch 55 position.
Since it is easy to pinch the packing 54, the packing 54 can be easily removed from the groove 53, and the packing 54 can be replaced easily.

The small container 3 may be provided as needed. The engaged portion and the engaging portion may have any shape as long as they can be engaged with and disengaged from each other.

[Effect of device]

The lunch box according to the present invention has one of a state in which an upper lid is placed on the inner lid fitted in one container with the other vessel interposed therebetween and a state in which the upper lid is directly placed on the inner lid. The first engaging portion and the second engaging portion of the stopper are selectively engaged with the engaged portion of the container. Therefore, according to the amount of the contents, it is possible to assemble the two containers in a state of being stacked in two steps, or to assemble them using only one container, without carrying extra containers. It will be fine. In addition, when not in use, such as when storing, after using it in two layers, when finishing eating after taking out the contents, you can assemble it in a state that it is stored in a large container, making it a compact state Can be stored or taken home.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of a lunch box according to the present invention, FIG. 2 is a perspective view showing a usage state, FIG. 3 is a sectional view taken along line III-III of FIG. 2, and FIG. IV-IV line sectional view of FIG.
FIG. 5 is a perspective view showing a non-used state, and FIG. 6 is a VI of FIG.
-VI line sectional view, FIG. 7 is a VII-VII line sectional view of FIG. 1 ... One container, 2 ... Other container, 4 ... Inner lid, 5
...... Top cover, 6 ...... Stoppers, 11 ...... Projecting pieces (engaged parts), 41
...... Positioning recess, 61 ...... First engaging part, 62 ...... Second engaging part.

Claims (1)

[Scope of utility model registration request] 1. Two containers having an upper opening, and these two containers
One of the two containers is provided with an inner lid that closes the open end of the one container, and an upper lid, and the other container is formed to have a size that can be stored in the one container, and the inner lid is the opening of the one container. The upper lid has a positioning recess for positioning the other container with respect to the inner lid by fitting the bottom portion of the other container on the upper surface of the upper lid. A stopper is rotatably attached to both sides, and the inner lid is fitted into the open end of the one container, and the bottom portion of the other container is fitted in a positioning recess of the inner lid. The upper lid is superposed on the inner lid via the other container so that the upper lid is superposed on the inner lid, and the stopper is turned to engage with the engaged container provided on both sides of the one container. First detached from the club
Rotating the stopper while the engaging portion is formed, the inner lid is fitted into the open end of the one container, and the upper lid is directly superposed on the inner lid. By this, the second engaging portion which is engaged with and disengaged from the engaged portion of the one container is formed, and the upper lid is superposed on the inner lid fitted in the one container via the other container. The first engaging portion and the second engaging portion of the stopper are respectively attached to the engaged portions of the one container in a state and a state in which the upper lid is directly overlaid on the inner lid fitted in the one container. A lunch box characterized by being configured to be selectively engaged.