JP6884352B2 - container - Google Patents

Description

The present invention relates to a container configured so that it can be stacked vertically.

Patent Document 1 describes a container in which an upper flange portion and a lower flange portion project outward from an upper end portion and a lower end portion of an outer peripheral wall. When the containers are stacked one above the other, the lower flange portion of the upper container comes into contact with the upper flange portion of the lower container.

Jikkai Sho 49-144627 (Fig. 6)

By the way, the above-mentioned containers may be washed and then dried in a stacked state. However, in this case, there is a problem that the water remaining inside the container is difficult to dry.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a container that can be easily dried after washing.

The invention of claim 1 made in order to achieve the above object is a box-shaped container having an opening at the upper part, which is configured to be stackable up and down, and is stretched outward from both upper and lower ends of the side wall. It has an upper flange portion and a lower flange portion to be taken out, and in a stacked state, the lower flange portion of the upper container is overlapped with the upper flange portion of the lower container, and the bottom portion of the upper container is said. is received in the opening of the lower container, in the container opening is closed in the lower side of the container, the curved corner portion of the front Symbol lower flange portion projecting upwardly in an arcuate shape of the corner tip A grooved wall extending linearly in a direction inclined with respect to the vertical and horizontal directions of the container from the portion to the base end portion, and the grooved wall provided inside the grooved wall, and in the stacked state , said to the upper container. It is a container provided with a lower end gap forming groove for forming a gap for communicating the inner space of the lower container to the outside between the lower flange portion and the upper flange portion of the lower container.

[Invention of claim 1]
According to the present invention, when a plurality of containers are stacked, the inner space of the lower container is communicated with the outside between the lower flange portion of the upper container and the upper flange portion of the lower container. Since the gaps are formed, the water remaining in the container can be easily dried. As described above, according to the container of the present invention, drying after washing becomes easy.

A perspective view of the container according to the first embodiment as viewed from above. Enlarged view around the corner of the container in FIG. View of the container from below Enlarged view around the corner of the container in FIG. Perspective view of stacked containers Side sectional view of stacked containers Perspective view when the stacked containers are cut along the AA plane. Side view when the stacked containers are cut on the AA plane View of the corners of stacked containers from the extending direction of the communication groove Top view when the stacked containers are cut on the BB plane Perspective view of the container according to the second embodiment Side sectional view of stacked containers Side sectional view of the container according to another embodiment Side sectional view of the container according to another embodiment Side sectional view of the container according to another embodiment Side sectional view of the container according to another embodiment

[First Embodiment]
Hereinafter, the first embodiment of the present invention will be described with reference to the drawings. As shown in FIG. 1, the container 10 according to the present embodiment has a structure in which the outer peripheral wall 15 (corresponding to the “side wall” of the present invention) stands up from the outer edge portion of the bottom wall 11 having a rectangular shape in a plan view. It has an opening 10A at the top. The outer peripheral wall 15 is inclined so as to spread outward as it goes upward.

As shown in FIGS. 1, 3 and 6, the bottom wall 11 has a structure in which the lower protrusion 13 projects from the lower surface of the main plate 12. The lower protrusion 13 is composed of a lower end outer peripheral wall 13A protruding downward from the outer peripheral portion of the main plate 12, and a plurality of inner reinforcing walls 13B stretched in a mesh pattern in the inner region of the lower end outer peripheral wall 13A. ..

As shown in FIG. 1, the upper flange portion 21 and the lower flange portion 31 project outward from both the upper and lower ends of the outer peripheral wall 15. Further, the intermediate flange portion 22 projects outward from the portion of the outer peripheral wall 15 near the upper end. The upper flange portion 21 and the lower flange portion 31 are formed over the entire circumferential direction of the outer peripheral wall 15 and form a rectangular frame shape. The intermediate flange portion 22 is formed at four corner portions and a long side portion of the outer peripheral wall 15. The upper flange portion 21, the intermediate flange portion 22, and the lower flange portion 31 are connected by a first vertical rib 16 projecting from the outer peripheral wall 15. Further, the upper flange portion 21 and the intermediate flange portion 22 are also connected by a second vertical rib 17 projecting outward from the upper end portion of the outer peripheral wall 15.

A handle portion 23 is formed at the center of the short side portion of the upper flange portion 21. The handle portion 23 is formed by retracting the outer edge portion of the upper flange portion 21 downward. Further, the short side portion of the lower flange portion 31 is provided with a notch portion 31K formed by cutting off the outer edge portion.

An upper end protrusion 25 projecting upward is provided on the inner edge of the upper flange portion 21. The upper end protrusion 25 is formed in a portion of the upper flange portion 21 excluding the central portion of the short side portion, and is composed of a pair of U-shaped protrusions 27, 27 facing each other with the valley portion 26 in between. The height of the upper end protrusion 25 is lower than the height from the lower end of the lower protrusion 13 to the lower end of the lower flange portion 31 described above.

At the corners of each U-shaped protrusion 27, an upper end notch 28 formed by cutting off the upper end is formed. In other words, the upper end notch 28 is provided at each corner of the upper flange 21. The upper end notch 28 is formed in a trapezoidal shape that becomes narrower toward the bottom (see FIG. 2).

As shown in FIGS. 1 and 3, a lower end recess 35 opened downward is provided in a portion of the lower flange portion 31 corresponding to the upper end protrusion 25. Specifically, the lower flange portion 31 includes a raised portion 32 in which the inner edge portion of the lower flange portion 31 is raised in a stepped manner, and a lower end recess 35 is formed on the back side (lower side) of the raised portion 32. There is. More specifically, the raised portion 32 is formed in a portion of the lower flange portion 31 excluding the central portion of the short side portion, and is composed of a pair of U-shaped bank portions 34, 34 facing each other with the valley portion 33 in between. Has been done. The back side of the U-shaped bank portion 34 is a U-shaped recess 37, and the back side of the valley portion 33 is a partition protrusion 36 for partitioning the U-shaped recesses 37 and 37 (see FIG. 3). .. The lower end recess 35 is composed of a pair of U-shaped recesses 37, 37 facing each other with the partition protrusion 36 in between. As shown in FIG. 6, the depth of the lower end recess 35 is larger than the height of the upper end protrusion 25.

As shown in FIG. 2, a groove-shaped wall 38 extending horizontally from the raised portion 32 is formed at each corner portion of the lower flange portion 31. Then, as shown in FIG. 4, the inner portion of the groove-shaped wall 38 is a communication groove 38M that communicates the lower end recess 35 with the outside of the container 10.

As shown in FIGS. 5 and 6, the container 10 of the present embodiment is configured to be vertically stackable. As shown in FIG. 6, when the containers 10 are stacked, the bottom wall 11 of the upper container 10 is received by the opening 10A of the lower container 10, and the lower flange portion 31 of the upper container 10 is on the lower side. It is stacked on the upper flange portion 21 of the container 10. Then, the opening 10A of the lower container 10 is closed by the bottom portion (specifically, the bottom wall 11 and the lower flange portion 31) of the upper container 10. At this time, the upper end protrusion 25 of the upper flange portion 21 of the lower container 10 is received by the lower end recess 35 of the lower flange portion 31 of the upper container 10, and the upper end protrusion 25 and the lower end recess 35 are in the vertical direction. It fits.

Here, the upper end portion of the outer peripheral wall 15 is provided with a step 15D that expands the diameter of the upper side of the inner peripheral surface of the outer peripheral wall 15 to the outside. Then, in a state where the containers 10 are stacked, the outer edge portion (specifically, the lower end outer peripheral wall 13A of the lower protrusion 13) of the bottom wall 11 in the upper container 10 is the outer peripheral wall 15 of the lower container 10. It is arranged above the step 15D. As described above, in the container 10 of the present embodiment, by providing the step 15D on the outer peripheral wall 15, the vertical direction of the outer peripheral wall 15 is avoided while avoiding interference with the bottom wall 11 of the containers 10 stacked on the upper side. It is possible to reduce the inclination with respect to.

An inclined portion 13K is provided on the outer peripheral portion of the lower end surface of the lower protrusion 13 on the bottom wall 11 so as to go upward as it goes outward. The inclined portion 13K contributes to avoiding interference between the bottom wall 11 of the upper container 10 and the outer peripheral wall 15 of the lower container 10 (specifically, the step 15D of the outer peripheral wall 15) in the stacked state.

By the way, when the container 10 is used several times, the container 10 is washed. The washed container 10 is subjected to a rotary dehydrator. Here, if there are a plurality of washed containers 10, the plurality of containers 10 are subjected to a rotary dehydrator in a stacked state. At this time, if the inner space of the lower container 10 is completely closed, there is a problem that it becomes difficult to discharge the water remaining in the inner space of the lower container 10 to the outside. In order to solve this problem, in the container 10 of the present embodiment, as shown in FIGS. 7 and 8, the lower flange portion 31 of the upper container 10 and the upper container 10 of the lower container 10 are in the stacked state. A gap 41 is formed between the flange portion 21 and the inner space of the lower container 10 so as to communicate with the outside. The gap 41 is formed by an upper end notch 28 provided in the upper end protrusion 25 of the lower container 10 and a communication groove 38M provided in the lower flange portion 31 of the upper container 10.

As shown in FIG. 9, the upper end notch 28 of the lower container 10 and the communication groove 38M of the upper container 10 are arranged at the same position in the circumferential direction of the container 10 and communicate with the upper end notch 28. The grooves 38M overlap in the extending direction of the communication grooves 38M. Therefore, the gap 41 is formed linearly in the inner and outer directions of the container 10 (see FIGS. 7 and 8). In FIG. 9, the upper container 10 is shown in gray.

As shown in FIG. 10, the corner portion of the outer peripheral wall 15 is formed in an R shape. Further, the corner portion of the lower protrusion portion 13 is also formed in an R shape. The R of the corner portion of the lower protrusion 13 is larger than the R of the corner portion of the outer peripheral wall 15. Then, in the present embodiment, the corner portion of the lower protrusion 13 is arranged inside the portion of the outer peripheral wall 15 that is arranged below the step 15D. According to the present embodiment, the inner portion of the lower container 10 in the stacked state (particularly, the portion arranged below the step 15D) and the lower end recess 35 of the upper container 10 are the corner portions of the container 10. In the vertical direction, the water remaining in the inner space of the lower container 10 can be easily moved to the lower end recess 35 of the upper container 10. Moreover, since the inclined portion 13K provided on the outer peripheral portion of the lower protrusion 13 is inclined upward as it goes to the outside of the lower protrusion 13, the moisture remaining in the inner portion of the lower container 10 is increased. It is easy to guide the container 10 to the lower end recess 35 of the container 10.

This concludes the description of the configuration of the container 10 of the present embodiment. In the present embodiment, the upper end protrusion 25 and the lower end recess 35 correspond to the "engagement protrusion" and the "engagement recess" of the present invention, and the upper end notch 28 and the communication groove 38M are the "first" of the present invention. It corresponds to the "gap forming portion" and the "second gap forming portion".

Next, the action and effect of the container 10 of the present embodiment will be described. In the present embodiment, when the containers 10 are stacked in a plurality of stages, the inner space of the lower container 10 is provided between the lower flange portion 31 of the upper container 10 and the upper flange portion 21 of the lower container 10. Since a gap for communicating with the outside is formed, the water remaining in the lower container 10 can be easily dried. As described above, according to the container 10 of the present embodiment, drying after washing becomes easy. Moreover, since the gap is formed at the corner where water tends to accumulate when the stacked containers 10 are subjected to the rotary dehydrator, the moisture remaining in the container 10 is easily discharged when the containers 10 are dried by the rotary dehydrator. Become. Further, in the container 10 that can be stacked vertically, the outer peripheral wall 15 is inclined so as to spread outward as it goes upward. Therefore, when the container 10 is dried by the rotary dehydrator, the moisture in the container 10 is transmitted through the outer peripheral wall 15. Move up. Since the upper end notch 28 for forming the gap is provided in the upper flange portion 21, the moisture in the container 10 can be easily discharged.

Further, in the present embodiment, in the stacked state, the unevenness of the upper end protrusion 25 formed on the upper flange portion 21 of the lower container 10 and the lower end recess 35 formed on the lower flange portion 31 of the lower container 10 By engaging, it becomes possible to suppress lateral displacement of the upper container 10 with respect to the lower container 10. Moreover, the water remaining in the lower container 10 in the stacked state can be discharged to the outside through the upper end notch 28 and the communication groove 38 formed in the upper end protrusion 25 and the lower end recess 35. Moreover, in the present embodiment, since the upper end notch 28 and the communication groove 38 overlap in the inner and outer directions of the container 10, the water in the container 10 can be smoothly discharged.

Further, in the present embodiment, the R of the corner portion of the bottom wall 11 (specifically, the lower protrusion 13) is larger than the R of the upper end portion of the corner portion of the outer peripheral wall 15, so that the upper side is in a stacked state. A path for moisture is formed toward the gap between the lower flange portion 31 of the container 10 and the upper flange portion 21 of the lower container 10. As a result, the water in the lower container 10 can be smoothly discharged. Moreover, in the present embodiment, the upper end portion of the outer peripheral wall 15 is expanded outward by the step 15D of the outer peripheral wall 15, so that the moisture in the container 10 can be easily guided to the gap. In the present embodiment, the bottom of the upper container 10 is received in the opening 10A of the lower container 10 in the stacked state, but the lower side is received by the step 15D of the outer peripheral wall 15. A passage for water in the container 10 is secured.

[Second Embodiment]
Hereinafter, a second embodiment of the present invention will be described with reference to the drawings. As shown in FIG. 11, the container 10V of the present embodiment is different from the container 10 of the first embodiment in that the upper end protrusion 25 and the lower end recess 35 (see FIGS. 1 and 3) are not provided. .. In the container 10V, a communication groove 29M for communicating the inner space of the container 10V to the outside is formed at the upper end of the corner portion of the outer peripheral wall 15.

Specifically, in the container 10V, an upper end notched portion 15K having an upper end portion notched is provided at a corner portion of the outer peripheral wall 15. Further, at the corner portion of the upper flange portion 21, an upper end gap forming groove 21M extending from the upper end notch portion 15K to the outside in the inner / outer direction of the container 10V is formed. A communication groove 29M is formed by the upper end notch portion 15K and the upper end gap forming groove 21M. The upper end gap forming groove 21M is formed by recessing the corner portion of the upper flange portion 21 downward.

Further, in the container 10V, a groove-shaped wall 39 extending in the inward and outward directions of the container 10V is provided at a corner portion of the lower flange portion 31. The inner portion of the grooved wall 39 constitutes the lower end gap forming groove 39M. The inner end of the container 10V in the lower end gap forming groove 39M is closed by the outer peripheral wall 15.

Since the other configurations of the container 10V are the same as those of the container 10 of the first embodiment, the description thereof will be omitted by adding the same reference numerals. In the container 10V of the present embodiment, the communication groove 29M and the lower end gap forming groove 39M form the "gap forming portion" of the present invention.

FIG. 12 shows a stacked container 10V. When the containers 10V are stacked, the bottom wall 11 of the upper container 10V is received by the opening 10A of the lower container 10V, and the lower flange portion 31 of the upper container 10V becomes the upper flange portion 21 of the lower container 10V. Contact with. At this time, the lower end gap forming groove 39M formed in the lower flange portion 31 of the upper container 10V and the communication groove 29M formed in the upper flange portion 21 of the lower container 10V overlap in the vertical direction, and the upper container 10V A gap 41V is formed between the lower flange portion 31 and the upper flange portion 21 of the lower container 10V to communicate the inner space of the lower container 10V to the outside. As described above, in the container 10V, in the stacked state, a gap 41V for communicating the inner space of the lower container 10V to the outside is formed, so that the water remaining in the container 10V is easily dried.

[Other Embodiments]
The present invention is not limited to the above embodiments, and for example, embodiments as described below are also included in the technical scope of the present invention, and various other than the following, as long as they do not deviate from the gist. It can be changed and implemented.

(1) In the above embodiment, the "engagement protrusion" according to the present invention is provided on the upper flange portion 21, and the "engagement recess" according to the present invention is provided on the lower flange portion 31, but the "engagement" is provided. A "collision portion" may be provided in the lower flange portion 31, and an "engagement recess" may be provided in the lower flange portion 31.

(2) In the first embodiment, the upper end notch 28 and the communication groove 38M may be arranged so as to be offset in the circumferential direction. That is, the upper end notch 28 and the communication groove 38M do not have to overlap in the inner and outer directions of the container 10.

(3) In the container 10V of the second embodiment, as shown in FIG. 13, the upper flange portion 21 may not have the communication groove 29M, or as shown in FIG. 14, the lower flange portion 31 may be provided. The lower gap forming groove 39M may not be provided in the structure. In any case, it is possible to obtain the same effect as that of the first embodiment. In the example shown in FIG. 13, the lower gap forming groove 39M constitutes the "gap forming portion" of the present invention, and in the example shown in FIG. 14, the communication groove 29M constitutes the "gap forming portion" of the present invention. ..

(4) In the second embodiment, as shown in FIG. 15, an opening 43K communicating with the lower gap forming groove 39M is provided at the lower end of the outer peripheral wall 15, and the opening 43K and the lower gap are formed. The groove 39M may form a communication groove 43 that communicates the inner portion of the container 10V to the outside. In addition, this configuration may be applied to the example of FIG. 13 of another embodiment (3) (see FIG. 16).

Although it does not belong to the technical scope of the present invention, in the above embodiment, even if the gaps 41 and 41V are formed in other than the corners of the containers 10 and 10V, the same effect as that of the above embodiment can be obtained. Is possible.

10,10V container 11 Bottom wall 15 Peripheral wall 21 Upper flange part 25 Upper end protrusion 28 Upper end notch 31 Lower flange part 35 Lower end recess 38M Communication groove

Claims (5)

A box-shaped container with an opening at the top that can be stacked up and down.
It has an upper flange portion and a lower flange portion that project outward from both upper and lower ends of the side wall, and the lower flange portion of the upper container is overlapped with the upper flange portion of the lower container in a stacked state. At the same time, in a container in which the bottom of the upper container is received by the opening of the lower container and the opening of the lower container is closed.
Projecting from the corner portion of the front Symbol lower flange portion upward, and arcuately curved linearly extending groove-shaped wall in a direction inclined from the distal end with respect to vertical and horizontal direction of the container over the proximal end portion of the corner portion ,
Provided inside the grooved wall, in the stacked state , the inner space of the lower container is externally provided between the lower flange portion of the upper container and the upper flange portion of the lower container. A container provided with a lower end gap forming groove for forming a gap for communicating with the container. Of the lower flange portion, the edge portion along the outer surface of the corner portion of the side wall is bent upward in a stepped manner, and the raised portion intersects the grooved wall.
The container according to claim 1, further comprising a lower end recess that is provided inside the raised portion and communicates with the lower end gap forming groove. An upper end notch formed by notching the upper end of the corner of the side wall,
A straight line that protrudes downward from the corner of the upper flange and is inclined in the vertical and horizontal directions of the container from the arc-shaped tip of the corner to the edge of the upper end notch of the side wall. With an upper grooved wall extending to
It is provided inside the upper grooved wall, and in the stacked state, overlaps with the lower end gap forming groove of the upper container, and the lower flange portion of the upper container and the upper flange portion of the lower container. The container according to claim 1 or 2, further comprising an upper end gap forming groove for forming a gap for communicating the inner space of the lower container to the outside. A box-shaped container with an opening at the top that can be stacked up and down.
It has an upper flange portion and a lower flange portion that project outward from both upper and lower ends of the side wall, and the lower flange portion of the upper container is overlapped with the upper flange portion of the lower container in a stacked state. At the same time, in a container in which the bottom of the upper container is received by the opening of the lower container and the opening of the lower container is closed.
The upper flange portion and the lower flange portion are provided at least at the corners of the upper flange portion, and when in the stacked state, the lower flange portion of the upper container and the upper flange of the lower container are provided. A gap forming portion that forms a gap between the portion and the inner space of the lower container to communicate with the outside,
The upper flange portion and the lower flange portion are provided with an engaging protrusion and an engaging recess that engage with each other in the vertical direction in the stacked state.
The gap forming portion is
A first gap forming portion that penetrates the engaging protrusion in the horizontal direction,
A container including a second gap forming portion extending horizontally from the engaging recess to the outside and communicating the engaging recess with the outside of the container. The container according to claim 4, wherein the first gap forming portion and the second gap forming portion overlap in the inner and outer directions of the container in the stacked state.

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