JP2023032762A - Concurrent lid body and tray and storage unit - Google Patents

Abstract

To increase the versatility of a concurrent lid body and tray while enhancing the loading efficiency of the concurrent lid body and tray.SOLUTION: A rectangular frame-shaped support part (46) that supports lower side peripheral edge parts (18f) of multiple containers (12) is provided on the peripheral edge part of a rectangular-shaped concurrent base (44). Inside the support part (46), a storage part (14p) that stores lower side engaging parts (18p) of the multiple containers (12) is formed. On the underside of the concurrent base (44), multiple positioning convex parts (52) in a rectangular frame shape that protrude downward are formed in the lateral direction at intervals. The multiple positioning convex parts (52) include multiple first positioning convex parts (52A) in the same lateral size and the second positioning convex parts (52B) in a different lateral size from the first positioning convex parts (52A).SELECTED DRAWING: Figure 11

Description

TECHNICAL FIELD The present invention relates to a tray that also serves as a lid and a storage unit that stores a plurality of articles.

BACKGROUND ART A lid-cum-tray that is used as a lid for a plurality of containers and as a tray for a plurality of containers is known (see Patent Document 1). The combined lid tray (Dunage for rectangular cans in Patent Document 1) is provided with a combined base, and on the upper surface of the combined base, a plurality of concave mounts for respectively placing containers (rectangular cans in Patent Document 1) are provided. A placement portion is formed. Partition walls are formed on the upper surface of the dual-purpose base to partition the plurality of recessed mounting portions, and each partition wall is positioned between adjacent containers. Further, a plurality of positioning protrusions for positioning the plurality of containers with respect to the combined lid tray are formed on the lower surface of the combined base. When the combined lid tray covers the tops of a plurality of containers, each positioning projection is positioned between adjacent containers.

JP 2018-52534 A

By the way, the size of the container covered by the lid/tray is determined by the arrangement of the plurality of positioning protrusions, and the size of the container housed in the lid/tray is determined by the arrangement of the partition walls. Therefore, the combined lid tray cannot be used as lids or trays for a plurality of containers of various sizes, and it is difficult to increase the versatility of the combined lid tray.

In addition, it is necessary to secure a gap between adjacent containers corresponding to the width of the partition wall. Therefore, when the combined lid tray is used as a tray for a plurality of containers, it is difficult to sufficiently improve the mounting efficiency (loading efficiency) of the combined lid tray.

Accordingly, it is an object of one aspect of the present invention to increase the versatility of the combined lid tray while increasing the mounting efficiency of the combined lid tray.

A tray that also serves as a lid according to one aspect of the present invention is used as a lid that covers upper openings of a plurality of containers arranged in a horizontal direction, and is also used as a tray for placing the plurality of containers. A dual-purpose tray, comprising: a rectangular dual-purpose base; a rectangular frame-shaped support portion formed on the peripheral edge of the dual-purpose base and supporting the lower peripheral edge portions of the plurality of containers; and formed inside the support portion. an accommodating portion for accommodating the lower fitting portions formed inside the lower peripheral edge portions of the plurality of containers; and a plurality of rectangular frame-shaped positioning projections that can be fitted into the upper opening of the container and protrude downward. The plurality of positioning protrusions include a plurality of first positioning protrusions having the same lateral dimension and second positioning protrusions having a lateral dimension different from that of the first positioning protrusions.

According to the above configuration, as described above, the rectangular frame-shaped supporting portion is formed on the peripheral edge portion of the dual-use base for supporting the lower peripheral edge portions of the plurality of containers. The accommodating portion is formed inside the supporting portion to accommodate the lower fitting portions of the plurality of containers. Therefore, the combined lid tray is used as a tray for placing the plurality of containers having small lateral dimensions, or used as a tray for placing the plurality of containers having large lateral dimensions. be able to. The combined lid tray can also be used as a tray for placing the plurality of containers having different lateral dimensions. In addition, the space between the containers can be reduced to increase the loading efficiency (loading efficiency) of the containers with respect to the combined lid tray.

As described above, the plurality of rectangular frame-shaped positioning protrusions that can be fitted into the upper openings of the plurality of containers are formed on the lower surface of the dual-use base. Therefore, when the upper openings of the plurality of containers are used as the lids of the tray that also serves as a lid, the plurality of containers can be positioned with respect to the tray that also serves as a lid while reducing the intervals between the containers. can be done.

The plurality of positioning protrusions include, as described above, the plurality of first positioning protrusions having the same lateral dimension and the second positioning protrusion having a lateral dimension different from that of the first positioning protrusions. . Therefore, the lid-cum-tray can be used as a lid for covering the upper openings of the plurality of containers with large lateral dimensions, or as lids for covering the upper openings of the plurality of containers with small lateral dimensions. It can be used as The combined lid tray can also be used as lids for covering the upper openings of the plurality of containers having different lateral dimensions.

In other words, it is possible to increase the versatility of the tray that also serves as a lid while increasing the loading efficiency (loading efficiency) of the containers on the tray that also serves as a lid.

A storage unit according to an aspect of the present invention has an upper opening that opens upward, and a lower fitting part that protrudes downward inside a lower peripheral edge, and has a plurality of storage units for storing articles. 2. The lid-cum-tray according to claim 1, which is used as a container and a lid covering the upper openings of the plurality of containers arranged in the horizontal direction, and is used as a tray for placing the plurality of containers. , provided.

According to the above configuration, since the storage unit includes the combined lid tray, the same operational effects as those of the combined lid tray can be obtained.

In the storage unit according to an aspect of the present invention, the container includes a container body having a side opening that opens at least one side in a vertical direction, and a door member that opens and closes the side opening of the container body. and a guide groove for guiding the side end of the door member in the vertical direction is formed from each side edge of the side opening of the container body to the upper end of the container body, and the lid The combined body tray may be configured such that when the upper openings of the plurality of containers are covered, each positioning convex portion fits into the upper portion of the corresponding guide groove of the plurality of containers.

According to the above configuration, when the tray that also serves as a lid covers the upper openings of the plurality of containers, each positioning projection enters the upper portion of the corresponding guide groove of the plurality of containers. Therefore, when the lid tray is used as lids for the plurality of containers, the door member is prevented from being lifted, and the articles come out of the side openings of the containers while the articles are being conveyed. can be prevented.

In a storage unit according to an aspect of the present invention, a pallet having a pair of laterally spaced end girders and an intermediate girder positioned between the pair of end girders; (1) When the plurality of containers are placed on the pallet via the combined lid tray, one of the positioning protrusions may be positioned above the intermediate girder.

According to the above configuration, when the plurality of containers are placed on the pallet through the lid tray, one of the positioning protrusions is positioned above the intermediate girder. Therefore, the plurality of containers having large lateral dimensions are supported across the end girders and the intermediate girders. As a result, the plurality of containers can be stably transported using the pallet while preventing deformation of the pallet. When a part of one side of the positioning projection and a part of the side that intersects with the one side are positioned above the intermediate girder, the plurality of containers can be conveyed more stably. .

In the housing unit according to one aspect of the present invention, downwardly recessed side wall recesses are formed in upper end portions of a pair of laterally opposed side wall portions of each container, and the combined lid tray includes the combined base. When the upper openings of the plurality of containers are covered, any of the The restricting protrusion may be configured to fit into the side wall recess of each pair of laterally adjacent containers.

According to the above configuration, when the tray that also serves as a lid covers the upper openings of the plurality of containers, one of the regulating protrusions fits into the side wall recesses of each pair of laterally adjacent containers. match. Thereby, deformation of the upper openings of the plurality of containers can be prevented.

In the storage unit according to one aspect of the present invention, a pair of side wall portions of each container facing each other in the lateral direction is formed with a side wall convex portion protruding downward from the lower end portion of the side wall portion, and the plurality of containers are stacked. The side wall projections of the plurality of containers on the upper side are fitted into the side wall recesses of the plurality of containers on the lower side, and the tray that also serves as a lid is configured to extend laterally in the support portion. Support recesses recessed downward are formed on a pair of side portions facing each other, support protrusions protruding downward are formed directly below the support recesses in the support portion, and the plurality of containers When the upper opening is covered, each support projection is configured to fit into the side wall recess of one of the plurality of containers, and when the plurality of containers are housed in the housing portion, each support recess may be configured to fit into the side wall protrusion of any one of the plurality of containers.

According to the above configuration, when the plurality of containers are stacked, the side wall projections of the plurality of containers on the upper side fit into the side wall recesses of the plurality of containers on the lower side. Therefore, it is possible to prevent positional deviation between the plurality of containers on the upper side and the plurality of containers on the lower side.

When the lid-cum-tray covers the upper openings of the plurality of containers, each support projection fits into the side wall recess of one of the plurality of containers. Therefore, when the combined lid tray is used as a lid for the plurality of containers, it is possible to prevent the plurality of containers from being displaced with respect to the combined lid tray.

When the plurality of containers are accommodated in the accommodating portion of the tray that also serves as a lid, each support concave portion is fitted to the side wall convex portion of one of the plurality of containers. Therefore, when the combined lid tray is used as a tray for the plurality of containers, it is possible to prevent the plurality of containers from being dislocated with respect to the combined lid tray.

According to one aspect of the present invention, it is possible to increase the versatility of the lid tray while increasing the mounting efficiency of the lid tray.

FIG. 2 is an exploded perspective view of the storage unit according to the present embodiment, showing a plurality of normal-sized containers arranged side by side; FIG. 4 is an exploded perspective view of the storage unit according to the present embodiment, showing a state in which a plurality of large-sized containers are arranged in a horizontal direction. FIG. 4 is an exploded perspective view of the storage unit according to the present embodiment, showing a state in which normal-sized containers arranged in a horizontal direction are stacked. FIG. 4 is an exploded perspective view of the storage unit according to the present embodiment, showing a state in which large-sized containers arranged in a horizontal direction are stacked. It is a perspective view of the container which concerns on this embodiment. Fig. 6 is a longitudinal sectional view of the container shown in Fig. 5; FIG. 7 is a cross-sectional view taken along line VII-VII in FIG. 6; 6 is a partial cross-sectional perspective view of the container shown in FIG. 5 on the door member side; FIG. FIG. 4 is a cross-sectional view taken along line IX-IX in FIG. 3; It is the perspective view which looked at the lid body combined pallet which concerns on this embodiment from the upper side. FIG. 11 is a perspective view of the combined cover pallet shown in FIG. 10 as viewed from below; 12 is an enlarged cross-sectional view taken along line XII-XII in FIG. 11; FIG. FIG. 2 is a plan cross-sectional view of the accommodation unit shown in FIG. 1, showing a state in which a part of the combined lid tray is broken; FIG. 3 is a plan cross-sectional view of the accommodation unit shown in FIG. 2 , showing a state in which a part of the combined lid tray is broken; 14 is an enlarged view of the XV section in FIG. 13; FIG. FIG. 16 is a cross-sectional view taken along line XVI-XVI in FIG. 15; 14 is an enlarged view of part XVII in FIG. 13; FIG. FIG. 18 is a cross-sectional view along line XVIII-XVIII in FIG. 17; It is a perspective view of the pallet which concerns on this embodiment, and has shown a mode that the lid|cover tray was mounted.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described with reference to the drawings. The lateral direction is the lateral direction of the combined lid tray, combined base, container, container body, or pallet, and is one horizontal direction. The vertical direction is the vertical direction of the combined lid tray, combined base, container, container body, or pallet, and is one of the horizontal directions perpendicular to the horizontal direction. The height direction is the height direction of the container or container body, and is the vertical direction (vertical direction). The outward direction is the direction toward the outside of the container or the container body, and the inward direction is the direction toward the inside of the container or the container body. The rectangular shape is not limited to a strictly rectangular shape, and includes, for example, a shape that can be visually recognized as a rectangular shape as a whole even if the corners are curved. The rectangular frame shape is not limited to a strict rectangular frame shape, and includes a shape that can be visually recognized as a rectangular frame shape as a whole even if, for example, the corners are curved or bent, or a part is cut off. is. In the drawings, "CD" indicates the horizontal direction, "LD" indicates the vertical direction, and "HD" indicates the height direction.

[Outline of accommodation unit 10]
An outline of a housing unit 10 according to the present embodiment will be described with reference to FIGS. 1 to 4. FIG.

As shown in FIGS. 1 to 4, a storage unit 10 according to the first embodiment is a unit that stores articles, and is used, for example, for transportation (transportation) or storage of articles in a physical distribution system. Further, the storage unit 10 shown in FIG. (12A) is provided with a combined lid tray 14 as the tray (12A). The storage unit 10 shown in FIG. 2 includes a plurality of large-sized containers 12 (12B) for storing articles, a lid tray 14 serving as a lid for the plurality of containers 12 (12B), and a plurality of containers 12 (12B). ) and a tray 14 that also serves as a lid.

The storage unit 10 shown in FIG. 3 includes a plurality of normal-sized containers 12 (12A), a plurality of lid trays 14 as lids for the plurality of containers 12 (12A), and a plurality of containers 12 (12A). It has a plurality of lid trays 14 as trays and a pallet 16 for transporting a plurality of containers 12 (12A). The storage unit 10 shown in FIG. 4 includes a plurality of large-sized containers 12 (12B), a plurality of lid trays 14 as lids for the plurality of containers 12 (12B), and a plurality of containers 12 (12B). It is provided with a plurality of trays 14 serving as both lids and a pallet 16 for transporting a plurality of containers 12 (12B).

[Specific Configuration of Container 12]
Next, a specific configuration of the container 12 will be described with reference to FIGS. 5 to 9. FIG.

(Container 12, container body 18)
As shown in FIGS. 5 and 6, the container 12 has a box-shaped container main body 18, which is made of resin such as polypropylene and is molded by injection molding. The constituent material of the container body 18 is not limited to resin, and may be metal such as aluminum. The manufacturing method of the container body 18 is not limited to injection molding, and manufacturing methods other than injection molding may be used.

(Bottom wall portion 20, side wall portion 22)
As shown in FIGS. 5 to 7, the container body 18 has a rectangular bottom wall portion 20 for supporting articles, and the bottom wall portion 20 extends in the vertical direction. The container body 18 has side wall portions 22 rising from a pair of laterally opposed side portions of the bottom wall portion 20 . The pair of side wall portions 22 face each other in the horizontal direction, and each side wall portion 22 extends in the vertical direction.

(Upper opening UA, side openings SA, LA)
As shown in FIGS. 5 and 6, the container body 18 has an upper opening UA opening upward, a side opening SA opening on one side in the vertical direction, and an opening on the other side in the vertical direction. and a lateral opening LA. A side opening LA of the container body 18 is connected to an upper opening UA. Note that the container body 18 may not have the other side opening LA as long as it has one side opening SA.

(Connecting wall portion 24, low wall portion 26)
As shown in FIGS. 5, 6 and 8, the container body 18 has a connecting wall 24 formed above the side opening SA. The connecting wall portion 24 extends in the lateral direction and connects one side end portions of the pair of side wall portions 22 . Further, the container body 18 has a low wall portion 26 rising from the side opening LA side of the bottom wall portion 20 , and the low wall portion 26 is positioned below the side opening LA of the container body 18 . are doing. The low wall portion 26 extends in the lateral direction and connects the other side end portions of the pair of side wall portions 22 .

(Lower peripheral portion 18f, lower fitting portion 18p)
As shown in FIGS. 6 and 7, the lower end surfaces of the pair of side walls 22, the lower end surface of the portion of the container body 18 on the outward side of the lower edge of the side opening SA, and the lower end surface of the low wall portion 26. As shown in FIGS. constitutes a lower peripheral edge portion 18f of the container body 18 (container 12). A lower fitting portion 18p projecting downward is formed inside the lower peripheral edge portion 18f of the container body 18 . A lower fitting portion 18 p of the container body 18 (container 12 ) corresponds to the lower portion of the bottom wall portion 20 . The containers 12 are configured such that the lower fitting portions 18p of the containers 12 on the upper side fit into the upper openings UA of the containers 12 on the lower side in a stacked state.

(Sidewall concave portion 28, sidewall convex portion 30)
As shown in FIGS. 5 and 9, a downward recessed side wall recess 28 is formed in the vicinity of the side opening LA at the upper end of each side wall portion 22, and the upper opening UA of each side wall recess 28 is formed. The side portion is closed, and the portion of each side wall concave portion 28 opposite to the upper opening portion UA side is opened. Further, as shown in FIG. 7, side wall projections 30 projecting downward are formed in the vicinity of the low wall portions 26 at the lower ends of the side wall portions 22 . As shown in FIG. 9, the containers 12 are configured such that the side wall projections 30 of the upper containers 12 fit into the side wall recesses 28 of the lower containers 12 in a stacked state.

With the above configuration, when the plurality of containers 12 are stacked, the side wall protrusions 30 of the plurality of containers 12 on the upper side fit into the side wall recesses 28 of the plurality of containers 12 on the lower side. As a result, the plurality of containers 12 on the upper side and the plurality of containers 12 on the lower side can be prevented from being misaligned.

(Door member 32)
As shown in FIGS. 6 to 8, the container 12 has a rectangular door member 32 that opens and closes the side opening SA of the container body 18. As shown in FIGS. The door member 32 extends in the lateral direction and is detachably attached to the container body 18 . The door member 32 is made of resin such as polypropylene, and is molded by injection molding. The constituent material of the door member 32 is not limited to resin, and may be metal such as aluminum. The manufacturing method of the door member 32 is not limited to injection molding, and manufacturing methods other than injection molding may be used.

(Door support portion 33, guide groove 34, engagement groove 36)
As shown in FIGS. 6 and 7, inside each side wall portion 22, a door support portion 33 is formed to support the inner surface side of each side edge portion of the door member 32. The door support portion 33 is formed on the bottom wall. It extends vertically from the portion 20 to the upper end portion of the container body 18 . Guide grooves 34 for guiding the side ends of the door member 32 in the vertical direction (height direction) are formed from the side edges of the side opening SA of the container body 18 to the upper end of the container body 18 . . Each guide groove 34 extends in the vertical direction, and the height dimension of each guide groove 34 is set larger than the height dimension of the door member 32 . An engaging groove 36 that can be engaged with the lower end of the door member 32 is formed in the lower edge of the side opening SA of the container body 18 . The engagement groove 36 extends laterally, and both ends of the engagement groove 36 are connected to the lower ends of the guide grooves 34, respectively.

(Bulging portion 38, knob portion 40, locking projection 42)
As shown in FIGS. 6 and 8, a bulging portion 38 that bulges outward is formed in the lateral center portion of the upper end portion of the door member 32. The upper portion of the bulging portion 38 can be It is a handle for hanging. A gripping portion 40 for gripping by hand is formed on the upper portion of the bulging portion 38 . A locking protrusion 42 that can be locked to the lower end of the connecting wall portion 24 is formed on the outer surface of the bulging portion 38 . The door member 32 is configured such that when the side opening SA of the container body 18 is closed, the locking projection 42 is locked to the lower end portion of the connecting wall portion 24 .

[Specific configuration of lid tray 14]
Next, with reference to FIGS. 1, 2, and 9 to 18, a specific configuration of the combined lid tray 14 will be described.

(Outline of the combined lid tray 14)
As shown in FIGS. 1 and 2, the combined lid tray 14 is used as a lid for covering the upper openings UA of the plurality of containers 12 arranged in the horizontal direction, and the plurality of containers 12 are placed thereon. It is used as a tray for placing The lid tray 14 is made of resin such as polypropylene, and is molded by injection molding. In addition, the constituent material of the lid tray 14 is not limited to resin, and may be metal such as aluminum. The manufacturing method of the lid tray 14 is not limited to injection molding, and manufacturing methods other than injection molding may be used.

(Dual-purpose base 44, support portion 46, housing portion 14p)
As shown in FIGS. 10 to 12, the combined lid tray 14 has a rectangular combined base 44 . The dual-purpose base 44 extends laterally and is formed in a plate shape. The surface of the combined base 44 is the upper surface of the combined base 44 , and the back surface of the combined base 44 is the lower surface of the combined base 44 . A rectangular frame-shaped support portion 46 that supports the lower peripheral edge portions 18 f of the plurality of containers 12 is formed on the peripheral edge portion of the dual-purpose base 44 . The support portion 46 extends laterally and protrudes upward from the upper surface (surface) of the dual-purpose base 44 . The support portion 46 has a flat upper surface portion 46a, an inner peripheral portion 46b located inside the upper surface portion 46a, and an outer peripheral portion 46c located outside the upper surface portion 46a. As shown in FIGS. 9 and 10, inside the support portion 46, a housing portion 14p for housing the lower fitting portions 18p of the plurality of containers 12 is formed. extended.

(Support concave portion 48, support convex portion 50)
As shown in FIGS. 10 and 12, support recesses 48 recessed downward are formed in a pair of laterally opposed side portions of the support portion 46, respectively. A portion of each support recess 48 on the side of the housing portion 14p is closed, and a portion of each support recess 48 on the side opposite to the housing portion 14p is open. Further, as shown in FIGS. 11 and 12, support protrusions 50 protruding downward are formed at positions directly below the respective support recesses 48 on the upper surface portion 46a of the support portion 46. As shown in FIGS. As shown in FIGS. 9 and 13 , when the lid tray 14 covers the upper openings UA of the plurality of containers 12 , each support protrusion 50 fits into one of the side wall recesses 28 of the plurality of containers 12 . configured to fit. The combined lid tray 14 is configured such that each support recess 48 fits into one of the side wall protrusions 30 of the plurality of containers 12 when the plurality of containers 12 are housed in the housing portion 14p.

(Positioning protrusion 52)
As shown in FIGS. 12 to 14, a plurality of downwardly projecting rectangular frame-shaped positioning projections 52 are formed on the lower surface (rear surface) of the dual-purpose base 44 at intervals along the horizontal direction. Each positioning protrusion 52 can be fitted into the upper openings UA of the plurality of containers 12 and has the function of laterally positioning the containers 12 with respect to the combined base 44 . Each positioning protrusion 52 has a curved portion and a bent portion at its corners, but is formed in a shape that can be visually recognized as a rectangular frame as a whole. Further, as shown in FIGS. 13, 15 and 16, when the lid tray 14 covers the upper openings UA of the plurality of containers 12, the respective positioning protrusions 52 are aligned with the corresponding guide grooves 34 of the plurality of containers 12. As shown in FIGS. , and positioned above the door member 32. A portion 52 e of each positioning protrusion 52 that enters the guide groove 34 of the container 12 is formed in a shape along the guide groove 34 of the container 12 .

As shown in FIG. 12 , the lower end surface of each positioning protrusion 52 is positioned on the same plane as the lower end surface of the outer peripheral portion 46 c of the support portion 46 . As a result, the lower end surface of the outer peripheral portion 46c of the support portion and the lower end surfaces of the plurality of positioning protrusions 52 are brought into contact with the ground, so that the plurality of containers 12 can be placed stably.

As shown in FIG. 11, the plurality of positioning protrusions 52 includes two first positioning protrusions 52A having the same horizontal dimension and two second positioning protrusions 52A having a smaller horizontal dimension than the first positioning protrusions 52A. It includes a convex portion 52B. The two first positioning protrusions 52A are arranged laterally apart, and the two second positioning protrusions 52B are arranged between the two first positioning protrusions 52A.

As shown in FIG. 13, when three normal-sized containers 12 are arranged in the horizontal direction, each first positioning protrusion 52A is fitted into the upper opening UA of the normal-sized container 12, and two The two second positioning protrusions 52B fit into the upper opening UA of the normal size container 12 . Also, as shown in FIG. 14, when two large-sized containers 12 are lined up in the horizontal direction, one first positioning convex portion 52A and one second positioning convex portion 52B are aligned with the large-sized container 12. As shown in FIG. fits into the upper opening UA of the

If the lateral dimension of the second positioning protrusion 52B is different from the lateral dimension of the first positioning protrusion 52A, it may be larger than the lateral dimension of the first positioning protrusion 52A. The number of first positioning protrusions 52A may be three or more, and the number of second positioning protrusions 52B may be one or three or more. If the lateral dimensions of the plurality of second positioning protrusions 52B differ from the lateral dimensions of the first positioning protrusions 52A, the lateral dimensions of the plurality of second positioning protrusions 52B are not the same. may The arrangement state of the first positioning convex portion 52A and the second positioning convex portion 52B may also be changed as appropriate. The plurality of positioning protrusions 52 are arranged in one row (one column) in the vertical direction, but may be arranged in multiple rows (multiple columns) in the vertical direction.

(Regulation convex portion 54)
As shown in FIGS. 13 , 17 and 18 , downwardly projecting restricting protrusions 54 are formed between each pair of laterally adjacent positioning protrusions 52 on the lower surface of the combined base 44 . The combined lid tray 14 is configured such that when the upper openings UA of the plurality of containers 12 are covered, one of the regulating projections 54 fits into the side wall recesses 28 of each pair of containers 12 adjacent in the lateral direction. ing.

With the above-described configuration, when the lid tray 14 covers the upper openings UA of the plurality of containers 12, one of the regulating protrusions 54 is fitted into the side wall recesses 28 of each pair of laterally adjacent containers 12. . Thereby, deformation of the upper openings UA and the side openings LA of the plurality of containers 12 can be prevented.

(Base projection 56)
As shown in FIG. 11, two base protrusions 56 projecting downward are formed on the lower surface of the combined base 44, and the two base protrusions 56 are spaced apart in the lateral direction. . The two base protrusions 56 are components for positioning the lid/tray 14 with respect to the pallet 16 .

[Configuration of pallet 16, etc.]
Next, the configuration and the like of the pallet 16 will be described with reference to FIGS.

(Overview of pallet 16)
As shown in Figures 3, 4 and 19, the pallet 16 is used to transport (carry) a plurality of containers 12 by a forklift (not shown). The pallet 16 is made of resin such as polypropylene, and is molded by injection molding. The material of the pallet 16 is not limited to resin, and may be metal such as aluminum. The manufacturing method of the pallet 16 is not limited to injection molding, and manufacturing methods other than injection molding may be used. The constituent material of the pallet 16 is not limited to resin or metal, and may be wood.

(Placement area SF, pallet concave portion 58)
As shown in FIG. 19, the upper surface of the pallet 16 is formed with two mounting areas SF for mounting a plurality of containers 12 thereon. In other words, the upper surface of the pallet 16 is formed with two placement areas SF for placing the lid/tray 14 thereon. Two pallet recesses 58 recessed downward are formed in each placement area SF of the pallet 16, and the two pallet recesses 58 are laterally separated from each other. Each pallet concave portion 58 of the pallet 16 can be fitted to each base convex portion 56 of the combined base 44 .

(End Girder Part 60, Middle Girder Part 62, Fork Insertion Path 64)
As shown in FIGS. 4 and 19, the pallet 16 has a pair of laterally spaced end beams 60, each extending longitudinally. The pallet 16 has an intermediate girder portion 62 positioned between the pair of end girder portions 60, and the intermediate girder portion 62 extends in the longitudinal direction. A fork insertion path 64 for inserting a fork of a forklift is formed between the laterally adjacent end girder 60 and intermediate girder 62 . In the accommodation unit 10, when a plurality of containers 12 are placed on the placement areas SF of the pallet 16 via the lid/tray 14, a portion of each second positioning protrusion 52B is positioned above the intermediate girder 62. is configured to be located in Each end girder portion 60 may be divided in the vertical direction, and the middle girder portion 62 may be divided in the vertical direction.

With the above configuration, when a plurality of containers 12 are placed on each placement area SF of the pallet 16 via the lid/tray 14, a portion of each second positioning protrusion 52B is positioned above the intermediate girder 62. To position. When a plurality of containers 12 are placed on each placement area SF of the pallet 16 via the lid/tray 14, a part of one side of each second positioning protrusion 52B and a side intersecting the one side of each second positioning protrusion 52B A part of the section is positioned above the intermediate girder section 62 . Therefore, a plurality of large-sized containers 12 (12B) having large lateral dimensions are supported across the end beam portion 60 and the intermediate beam portion 62. As shown in FIG. As a result, the plurality of containers 12 (12B) can be stably transported using the pallet 16 while preventing the pallet 16 from being deformed. In particular, since a part of one side of each second positioning protrusion 52B and a part of the side that intersects with the one side are located above the intermediate girder 62, the plurality of containers 12 (12B) can be more stably positioned. can be transported to

(Action and effect of the present embodiment)
Next, the effects of this embodiment will be described.

As described above, the rectangular frame-shaped support portion 46 that supports the lower peripheral edge portions 18 f of the plurality of containers 12 is formed on the peripheral edge portion of the dual-use base 44 . Inside the support portion 46, a housing portion 14p for housing the lower fitting portions 18p of the plurality of containers 12 is formed. Therefore, the lid tray 14 can be used as a tray for placing a plurality of normal-sized containers 12 (12A) with small horizontal dimensions, or a plurality of large-sized containers 12 (12B) with large horizontal dimensions. ) can be used as a tray for placing. The combined lid tray 14 can also be used as a tray for placing a plurality of containers 12 having different lateral dimensions. In addition, the interval between the containers 12 can be reduced to increase the mounting efficiency (loading efficiency) of the containers 12 with respect to the lid tray 14 .

A plurality of rectangular frame-shaped positioning protrusions 52 that can be fitted into the upper openings UA of the plurality of containers 12 are formed on the lower surface of the combined base 44 as described above. Therefore, when the combined lid tray 14 is used as a lid for the upper openings UA of the plurality of containers 12, the plurality of containers 12 can be positioned with respect to the combined lid tray 14 while reducing the intervals between the containers 12. can be done.

As described above, the plurality of positioning protrusions 52 includes two first positioning protrusions 52A having the same lateral dimension and two second positioning protrusions 52B having a smaller lateral dimension than the first positioning protrusion 52A. contains. Therefore, the lid tray 14 can be used as a lid for covering the upper openings UA of a plurality of normal-sized containers 12 (12A) with small horizontal dimensions, or can be used as a lid for covering the upper openings UA of a plurality of large-sized containers 12 with large horizontal dimensions. It can be used as a lid body covering the upper opening UA of (12B). The lid-cum-tray 14 can also be used as a lid for covering the upper openings UA of a plurality of containers 12 having different lateral dimensions.

Therefore, according to the present embodiment, it is possible to increase the versatility of the lid tray 14 while increasing the mounting efficiency (loading efficiency) of the containers 12 on the lid tray 14 .

According to the configuration of the accommodation unit 10 according to the present embodiment, when the lid tray 14 covers the upper openings UA of the plurality of containers 12 , the respective positioning projections 52 are aligned with the corresponding guide grooves 34 of the plurality of containers 12 . It enters the upper part and is positioned above the door member 32. - 特許庁Therefore, when the lid tray 14 is used as lids for a plurality of containers 12, the lifting of the door member 32 is suppressed, and the articles come out of the side openings SA of the containers 12 during transportation. can be prevented.

Further, when the lid tray 14 covers the upper openings UA of the plurality of containers 12 , each support projection 50 fits into one of the side wall recesses 28 of the plurality of containers 12 . Therefore, when the combined lid tray 14 is used as a lid for a plurality of containers 12 , it is possible to prevent the multiple containers 12 from being dislocated with respect to the combined lid tray 14 . Also, in the lid tray 14, when a plurality of containers 12 are housed in the housing portion 14p, each support recess 48 is fitted to one of the side wall projections 30 of the plurality of containers 12. As shown in FIG. Therefore, when the combined lid tray 14 is used as a tray for a plurality of containers 12 , it is possible to prevent the multiple containers 12 from being displaced from the combined lid tray 14 .

Therefore, according to this embodiment, both when the combined lid tray 14 is used as a lid for a plurality of containers 12 and when the combined lid tray 14 is used as a tray for a plurality of containers 12, the articles can be can be stably conveyed (transported).

[Additional notes]
The present invention is not limited to the above-described embodiments, and can be modified in various ways within the scope of the claims. It is included in the technical scope of the invention.

REFERENCE SIGNS LIST 10 storage unit 12 container 12A normal size container 12B large size container 14 cover tray 16 pallet 18 container body 18f lower peripheral edge 18p lower fitting 20 bottom wall 22 side wall UA upper opening SA side Opening LA Side opening 24 Connecting wall 26 Low wall 28 Side wall recess 30 Side wall protrusion 32 Door member 33 Door support 34 Guide groove 36 Engagement groove 38 Bulging portion 42 Locking projection 44 Combined base 46 Support 46a upper surface portion 46b inner peripheral portion 46c outer peripheral portion 14p accommodating portion 48 support recess 50 support protrusion 52 positioning protrusion 52A first positioning protrusion 52B second positioning protrusion 54 regulation protrusion 56 base protrusion SF placing area 58 pallet Recess 60 End girder 62 Intermediate girder 64 Fork insertion path

Claims (6)

A lid-cum-tray used as a lid covering the upper openings of a plurality of containers arranged in a horizontal direction and used as a tray for placing the plurality of containers,
a rectangular dual-purpose base;
a rectangular frame-shaped support portion formed on the peripheral edge portion of the dual-use base and supporting the lower peripheral edge portions of the plurality of containers;
an accommodating portion formed inside the support portion and accommodating lower fitting portions formed inside the lower peripheral edge portions of the plurality of containers;
a plurality of rectangular frame-shaped positioning protrusions formed on the lower surface of the dual-use base at intervals along the lateral direction, capable of being fitted into the upper openings of the plurality of containers, and protruding downward; with
The plurality of positioning protrusions are
a plurality of first positioning protrusions having the same lateral dimension;
A combined lid tray, comprising the first positioning protrusion and a second positioning protrusion having a lateral dimension different from that of the first positioning protrusion. a plurality of containers each having an upper opening with an upper side open and a lower fitting portion protruding downward inside the lower peripheral edge portion and containing articles;
The combined lid tray according to claim 1, which is used as a lid covering the upper openings of the plurality of containers arranged in the horizontal direction and used as a tray for placing the plurality of containers. A containment unit characterized by The container is
a container body having a side opening that is open on at least one side in the vertical direction;
a door member that opens and closes the side opening of the container body,
Guide grooves for guiding the side ends of the door member in the vertical direction are formed from the side edges of the side opening of the container body to the upper end of the container body,
The combined lid tray is
3. The container according to claim 2, wherein when the upper openings of the plurality of containers are covered, each positioning protrusion is configured to enter the upper portion of the corresponding guide groove of the plurality of containers. unit. A pallet having a pair of laterally spaced end girders and an intermediate girder positioned between the pair of end girders,
4. A construction is such that, when the plurality of containers are placed on the pallet through the combined lid tray, one of the positioning projections is positioned above the intermediate girder. Containment unit described in . Side wall recesses recessed downward are formed at upper end portions of a pair of laterally opposed side wall portions of the container, respectively,
The combined lid tray is
a restricting convex portion formed between each pair of the positioning convex portions adjacent in the lateral direction on the rear surface of the dual-purpose base and protruding downward;
It is characterized in that when the upper openings of the plurality of containers are covered, any one of the restricting protrusions is fitted into the side wall recesses of each pair of laterally adjacent containers. 5. A containment unit according to any one of claims 2-4. Side wall protrusions protruding downward are formed at the lower end portions of a pair of laterally opposed side wall portions of the container, respectively,
the plurality of containers,
In a stacked state, the side wall projections of the plurality of containers on the upper side are configured to fit into the side wall recesses of the plurality of containers on the lower side,
The combined lid tray is
Support recesses recessed downward are formed on a pair of laterally opposed side portions of the support portion, respectively, and support protrusions protruding downward are formed directly below the support recesses of the support portion. ,
When the upper openings of the plurality of containers are covered, each support protrusion is configured to fit into the side wall recess of one of the plurality of containers, and the plurality of containers are accommodated in the accommodating portion. 6. The storage unit according to claim 5, wherein each support recess is fitted to the side wall projection of one of the plurality of containers.

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