JP2001048177A - Multiple stacking tray - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a stored article from being damaged by a leg part when a tray is stacked with the article placed on a support panel. SOLUTION: On the top face of a support panel 31, a panel shape leg part 33 is protrusively provided, and at the adjoining position of the leg part 33, a through leg storing part 34 is provided. The leg part 33 and the leg storage part 34 are positioned symmetrically with respect to the center point of the support panel 31. The support panel 31 storing an article 50 to be stored between the leg parts 33 can be stacked by placing a support panel 31 positioned above on its leg parts 33. Also when the support panel 31 is empty, the top and bottom two support panels 31 can be stacked by placing its leg part 33 in the leg storing part 34 of the support panel 31 positioned above.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multi-stacking tray which is configured to be able to be stacked when articles are loaded and to be stacked when empty.

[0002]

2. Description of the Related Art Conventionally, soft items such as strawberries and tomatoes are housed in transparent packs, stacked in a box-shaped transport container having a bottom, and transported. At this time, in order to prevent the lower items from being damaged by the weight applied from above, the respective items are stacked via the multi-stack tray.

[0003] The multi-stack tray has the following configuration. That is, the synthetic resin support plate constituting the tray has a rectangular plate shape, and the support plate has a plurality of flat square receiving holes formed therein. It is mounted with the part inserted. A plurality of legs project from the upper and lower surfaces of the support plate. Of these legs, the lower end of the leg provided on the lower surface of the support plate has a cylindrical shape that opens downward, and the tip of the leg provided on the upper surface of the support plate is inserted inside the lower end. The parts are configured to be able to engage with each other.

[0004] To stack the trays on which the objects are loaded, a support plate at an upper position is disposed above the support plate at a lower position so as to straddle the objects, and the legs are engaged with each other. Done by In this state, an accommodation space is formed between the upper and lower support plates, and an accommodation object is accommodated in this accommodation space. By repeating the above operation a plurality of times, the trays on which the items are placed are stacked up and down in one direction.

[0005]

However, according to the above-described conventional multi-stack tray, when the articles are stacked with the articles placed thereon, the legs project from the lower surface when the legs and the leg accommodation sections are aligned. There is a problem in that the stored contents may be damaged by the legs that move.

The present invention has been made by paying attention to such problems existing in the prior art. It is an object of the present invention to provide a multi-stack tray that can prevent the stored items from being damaged by the legs when the stored items are stacked on the support plate.

[0007]

In order to achieve the above object, a multi-stack tray according to the first aspect of the present invention is provided with a support plate on which a storage object is placed, and a projection provided on one surface of the support plate.
When stacking up and down the support plate on which the contents are placed, the leg for supporting the support plate in the upper position and the position which is point-symmetric with the leg with respect to the center of the support plate are provided. And a leg accommodation portion for accommodating the leg when the empty support plate is stacked up and down.

According to a second aspect of the present invention, there is provided the multi-stack tray according to the first aspect, wherein the support plate is formed in a square plate shape, and the legs are supported in a plane orthogonal to the support plate. It is configured to be located along the side edge of the plate.

According to a third aspect of the present invention, there is provided a multi-stack tray according to the second aspect, wherein the leg and the leg housing are arranged at least in the middle of at least one of the length direction and the width direction of the support plate. It was established.

[0010]

Embodiments of the present invention will be described below in detail with reference to the drawings. As shown in FIG. 1, the support plate 31 constituting the multi-stack tray is formed of a synthetic resin in the shape of a square plate, and on this support plate 31, foods such as strawberries and tomatoes are placed in a substantially rectangular box-like transparent pack. It is placed as a stored item 50 in a state of being stored inside. The area of the support plate 31 is set to be substantially the same as the bottom wall 12 of the container main body 11, and the center of the upper surface on one short side is colored as a direction indicating means colored in a different color from the support plate 31. The marker 32 is detachably attached, and the support plate 3
1 direction.

A pair of legs 33 project from the periphery of the upper surface of the support plate 31 so as to be aligned in the length and width directions. The leg portion 33 is formed in a plate shape, and both side surfaces have a tapered shape that becomes narrower toward the top. The positional relationship of the legs 33 is determined by the pair of legs 3 provided on the short side.
Of the three, one on the right side when viewed from the marker 32 side is disposed near the center of the short side, and the other is disposed near the side of the short side. Further, of the pair of legs 33 provided on the long side, a pair on the right side when viewed from the marker 32 side is disposed near the side of the long side, and a pair on the left side is disposed near the center of the long side. ing. At a position adjacent to each leg 33 in the length direction and the width direction of the support plate 31, a leg accommodation portion 34 is provided so as to be transparent,
These leg receiving portions 34 are provided on the support plate 31 for each leg 33.
Are arranged at point symmetrical positions with respect to the center of.

On the upper surface of the support plate 31, a frame is formed by projecting a ridge 36a at the peripheral edge and the center in the width direction, and a frame is formed inside the frame in the length direction of the support plate 31. A total of four mounting recesses 36 are provided so that two and two in the width direction are arranged in parallel. This mounting recess 3
A step 37 is formed on the periphery of the protrusion 6 between the protrusion 6a and the upper surface of the protrusion 36a. When the container 50 is placed in the mounting recess 36 and is displaced in the lateral direction, the bottom and the step 37 are engaged with the side surface and the leg 33 to restrict the movement. A plurality of rectangular through holes 38 are formed in the inside of the mounting concave portion 36,
When keeping cool in a freezer or the like, cool air is guided to the storage items 50.

One support plate 31 with the contents 50 placed thereon is placed on the bottom wall of a rectangular box-shaped transport container (not shown) with its legs 33 facing upward, or on the floor. Or have been placed in. The upper support plate 31 is aligned with the support plate 31 so that the markers 32 are located at the same position, and is placed on its legs 33, whereby the upper and lower support plates 31 are stacked. It has become.

As shown in FIGS. 2A and 2B, in this state, the legs 33 of the support plate 31 at the lower position and the leg receiving portions 34 of the support plate 31 at the upper position are displaced. ing. Further, on the lower surface side of the support plate 31, each leg 33
A pair of restricting ribs 41 hang down from the inner bottom surface at a position corresponding to the distance from the inner bottom surface by the width of the base end of the leg 33, and a leg insertion portion 39 is formed between the restricting ribs 41.
When the upper ends of the legs 33 are inserted into the leg insertion portions 39 and the upper and lower support plates 31 are displaced in the horizontal direction in a stacked state, the side surfaces of the legs 33 and the restricting ribs 4 are provided.
The engagement with the inner surface of the first support plate 1 restricts lateral displacement between the upper and lower support plates 31. Then, the storage item 50 is stored in a storage space formed between the upper and lower support plates 31.

As shown in FIG. 3A, the support plate 31 in the empty state is aligned so that the support plate 31 at the upper position is rotated by 180 ° and the markers 32 are at different positions. I have. As shown in FIG. 3B, in this state, the legs 33 of the support plate 31 at the lower position and the leg receiving portions 34 of the support plate 31 at the upper position are aligned with each other. The leg portion 33 of the support plate 31 is accommodated inside the leg accommodation portion 34 of the support plate 31 located at an upper position. Further, since the side surface of the leg portion 33 is engaged with the inner surface of the leg portion accommodating portion 34, the insertion of the leg portion 33 is restricted at almost half the position. The upper and lower support plates 31 are stacked with a slight distance therebetween.

The operation of the multi-stack tray will be described below. Now, as shown in FIG. 1, when the support plates 31 are stacked, first, one support plate 31
After being accommodated in a transport container (not shown) with the container 3 facing upward, the container 50 is placed in the mounting recess 36 of the support plate 31.
Is placed. At this time, since each leg 33 is provided so as to be located in a plane orthogonal to the support plate 31, the installation space for the leg 33 is saved, and the installation space for the mounting recess 36 is widened. Even a large container 50 is stored in the mounting recess 36.

Next, by aligning the upper and lower support plates 31 so that the markers 32 are at the same position,
Leg 33 of support plate 31 in the lower position and support plate 3 in the upper position
This is the position where the first leg accommodation portion 34 is displaced. In this state, the upper end of the leg 33 of the lower support plate 31 is inserted into the leg insertion portion 39 of the upper support plate 31, and the upper support plate 31 is lowered while being guided so as not to be laterally displaced. Then, as shown in FIGS. 2A and 2B, the inner bottom surface of the leg insertion portion 39 eventually comes into contact with the upper surface of the leg portion 33,
The support plate 31 in the upper position is stacked on the support plate 31 in the lower position. Thereafter, after the object 50 is placed on the support plate 31 at the upper position, the same operation is repeated a plurality of times so that the support plate 31 on which the object 50 is placed extends in one of the up and down directions. Stack up.

At this time, since a pair of legs 33 are provided side by side on the periphery of the upper surface of the support plate 31 in the width direction and the length direction, the support plate 31 depends on the weight of the loaded article 50. Deflection is prevented. Then, the support plate 31 on which the contents 50 are placed is kept cool in a freezer or the like.

As described above, the contents 5 are placed on the support plate 31.
When the support plate 31 is stacked up and down in a state where 0 is placed, the legs 33 of the support plate 31 are provided only on the upper surface and are not provided on the lower surface.
Is prevented from being damaged. Further, by inserting the upper ends of the legs 33 into the leg insertion portions 39 of the upper and lower support plates 31, the insertion of the support plate 31 at the upper position is guided.

Further, the leg insertion portion 39 and the leg 33 are engaged with the inner surface of the regulating rib 41 in the leg insertion portion 39 and the side surface of the leg 33, so that the leg insertion portion 39 with respect to the leg 33 is engaged.
Is restricted, and a large lateral displacement between the upper and lower support plates 31 is prevented. In addition, a force such as vibration and impact is applied to the container 50 placed on the support plate 31,
When the position of the container 50 is to be shifted in the horizontal direction, the movement of the container 50 is restricted by engaging the bottom of the container 50 with the stepped portion 37, and the position of the container 50 relative to the support plate 31 in the horizontal direction is prevented. In addition, when the stored object 50 is to be displaced greatly in the length direction of the support plate 31, the stored object 50
The movement is regulated by engaging the side surface of each leg 33 with the side surface of each leg portion 33.

The support plate 31 that is empty and that is empty is stored in a vertically stacked state, and is transported as it is or stored in a warehouse or the like. As shown in FIGS. 3A and 3B, in this case, first, the upper and lower support plates 31 are positioned so that the markers 32 are at different positions, so that the support plate 31 at the lower position is attained. Of the support plate 31 at the upper position with the leg 33 of the support plate 31 are aligned. Next, the support plate 31 at the upper position is held by hand, and the leg 33 of the support plate 31 at the lower position is engaged with the inside of the leg accommodation portion 34. In this state, the support plate 31 at the upper position is lowered, and the inner surface of the leg housing portion 34 is engaged with the side surface of the leg 33. Then, the same operation is repeated a plurality of times, and the empty support plates 31 are stacked.

When the empty support plates 31 are stacked up and down as described above, the leg portions 3 of the support plate 31 in the lower position are stacked.
3 is inserted into the leg accommodating portion 34 of the support plate 31 in the upper position, whereby the upper and lower support plates 31 are approached to a state where they are slightly separated from each other. 31 are stacked in a space-saving manner.

The effects exerted by the above embodiment will be described below. The provision of the legs 33 only on the upper surface of the support plate 31 prevents the loaded container 50 from being damaged by the legs 33 in the support plate 31 on which the container 50 is placed. be able to. The contents 50
When a plurality of support plates 31 are stacked in a state in which is placed, the upper and lower legs 33 are at the same position and are arranged in one direction, so that the strength of the legs 33 against the force such as the weight of the container 50 applied from above is applied. Can be maintained.

By arranging the legs 33 in a plane orthogonal to the support plate 31, the installation space for the legs 33 can be saved, and the installation space for the mounting recess 36 can be widened. 50 can also be accommodated in the mounting recess 36.

By arranging the pair of legs 33 in parallel in the width direction of the support plate 31,
When a large displacement is to be performed in the length direction of the container 50, the movement of the container 50 is restricted by engaging the side surface of the container 50 with the side surface of each leg 33, and the large displacement in the length direction of the container 50. Can be prevented.

In addition, by arranging the pair of legs 33 so as to be aligned in the length direction and the width direction of the support plate 31,
The flexing of the support plate 31 due to the weight of the loaded article 50 can be suppressed.

Since the support plate 31 is provided with the leg accommodation portion 34, when the support plate 31 is stacked, almost half of the leg 33 can be accommodated in the leg accommodation portion 34. Therefore, the upper and lower support plates 31 can be brought close to each other in a state where the leg portion 33 is accommodated in the leg accommodation portion 34, and the support plate 11 can be stacked in a space-saving state with the empty state.

On the upper surface of the support plate 31, a mounting concave portion 36 for mounting the article 50 is formed, and the peripheral edge of the mounting concave portion 36 is formed as a step 37, so that the mounting concave portion 36 is mounted on the support plate 31. When the contents 50 are about to be displaced in the lateral direction, the movement of the contents 50 is restricted by engaging the bottom of the contents 50 with the step 37, and the contents
0 can be prevented from shifting in the horizontal direction.

By providing a regulating rib 41 on the lower surface of the support plate 31 at a position corresponding to the leg portion 33, when the upper and lower support plates 31 are to be displaced in the horizontal direction, the side surfaces of the leg portion 33 and By the engagement of the inner surfaces of the regulating ribs 41, it is possible to prevent displacement between the upper and lower support plates 31 in the stacked state.

In addition, when the support plate 31 is stacked by the leg insertion portion 39 provided between the pair of regulating ribs 41, the leg 33 is inserted into the leg insertion portion 39 so that the support plate 31 in the upper position is stacked. Is guided, it is possible to prevent the support plate 31 from being displaced during stacking.

Since the marker 32 for indicating the direction is provided on the support plate 31, when the support plates 31 are stacked or stacked, the upper and lower support plates 31 can be quickly positioned.

When the support plate 31 is positioned so that the marker 32 is located at the same position, the support plate 31 is configured to be stacked, so that the positioning operation when stacking the support plate 31 is simplified. can do.

The provision of the plurality of passage holes 38 in each support plate 31 enables efficient introduction of cold air to the stored items 50 when the refrigerator is kept cool in a freezer or the like, and at the same time, cleanliness of the support plate 31. Can be improved.

Since the marker 32 is detachably attached to the support plate 31, when the support plate 31 that is no longer used is reproduced by crushing or the like, by removing the marker 32, the color or material of the recycled material is removed. Can be prevented from being mixed.

The present embodiment can be embodied with the following modifications. As shown in FIG. 4, in addition to the peripheral edge of the support plate 31, a pair of legs 33 may be provided at the center in the length direction of the support plate 31 so as to be arranged in the width direction. The leg portion 33 is disposed outside or inward of the support plate 31, and the leg accommodation portion 3
Numeral 4 is disposed on the inner side or the outer side of the support plate 31 so as to be symmetrical with respect to the center of the leg 33 and the support plate 31. The upper and lower support plates 31 may be positioned so that the markers 32 are located at the same or different positions, and may be stacked or stacked.

In the case of such a configuration, similarly to the embodiment, it is possible to stack the container 50 with the container 50 mounted thereon or to stack it in an empty state, and to connect the intermediate portion of the stacked support plate 31 to the leg portion. 33, and the bending due to the weight of the container 50 can be more effectively suppressed.

The mounting recess 36 of the support plate 31 may be omitted. In this case, a rectangular frame-shaped ridge is protruded from the upper surface of the support plate 31, and the inner surface of the ridge is formed with a step portion 37.
And

In the support plate 31 of each embodiment, the passage hole 38 may be omitted. With this configuration, the configuration of the support plate 31 can be simplified.

The direction indicating means for indicating the direction of the support plate 31 is not limited to the marker 32. For example, the support plate 31 may be painted in the middle of the length direction or width direction, or the long side may be used. The molding color of the entire one side edge of the side or the short side may be changed, or an arrow, a character, a picture, or the like may be drawn.

In the case of such a configuration, the support plate 31
Can be easily determined. The leg 33 of the support plate 31 is provided on the lower surface of the support plate 31,
When the support plate 31 is accommodated in the container main body 11, the support plate 31 may be stacked or stacked with the leg portion 33 facing downward.

Even in such a configuration, the empty support plate 31 can be stored in the container body 11 in a space-saving manner. Further, technical ideas that can be grasped from the embodiment will be described below.

(1) At a position corresponding to the leg on the other surface of the support plate, a pair of restricting ribs for preventing the stacked support plate from being displaced is provided. 2. A leg insertion portion for accommodating a leg.
A multi-stack tray according to any one of claims 1 to 3.

With this configuration, a large lateral displacement of the stacked support plates can be prevented. (2) The device according to any one of claims 1 to 3, further comprising: a step portion provided on one surface of the support plate and configured to prevent a displacement of the stored object when the stored object is placed. Multi-stack tray.

With this configuration, it is possible to prevent lateral displacement of the contents with respect to the support plate. (3) The multi-stack tray according to any one of claims 1 to 3, wherein the support plate is provided with a direction indicating means for indicating a direction of the support plate.

With this configuration, the direction of the support plate can be easily determined. (4) The multistage according to (3), wherein the support plates are configured to be stackable when the directions of the support plates indicated by the direction indicating means are the same, and the support plates are configured to be stackable when the directions of the support plates are different. Stacking tray.

With such a configuration, it is possible to easily perform the positioning, particularly when stacking the support plates. (5) A plurality of through holes are provided through the support plate.
A multi-stack tray according to any one of claims 1 to 3.

With this configuration, when keeping the loaded items in a freezer or the like, the cool air can be efficiently guided to the items.

[0048]

As described above in detail, according to the present invention, the following effects can be obtained. According to the multi-stack tray of the first aspect of the present invention, it is possible to prevent the stored items from being damaged by the legs when the stored items are stacked on the support plate.

According to the multi-stack tray according to the second aspect of the present invention, in addition to the effect of the first aspect, the leg is disposed in a plane orthogonal to the support plate, thereby providing the leg. Space can be saved, and the space on which the contents are placed can be increased.

According to the multi-stack tray of the invention described in claim 3, in addition to the effect of the invention described in claim 2, it is possible to prevent displacement of the stored object with respect to the support plate, and to load the tray. It is possible to suppress the support plate from bending due to the weight of the stored object.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a state where support plates according to an embodiment are stacked.

2A is an enlarged front sectional view showing a part of a stacked support plate, and FIG. 2B is an enlarged side sectional view showing a part of the stacked support plate.

FIG. 3A is an exploded perspective view showing a state in which support plates are stacked, and FIG. 3B is a front sectional view in which a part of the support plates in a stacked state is enlarged.

FIG. 4 is a perspective view showing another type of support plate.

[Explanation of symbols]

31 ... support plate, 33 ... leg, 34 ... leg accommodation part, 37 ...
Stepped part, 50...

Claims (3)

[Claims] 1. A support plate for mounting an object, and a support plate projecting from one surface of the support plate and supporting the upper support plate when the support plate on which the object is mounted is stacked up and down. A leg, and a leg receiving portion for accommodating the leg when the empty supporting plate is vertically stacked with respect to the position of the leg with respect to the center of the supporting plate. With multi-stack tray. 2. The multi-stage structure according to claim 1, wherein the support plate is formed in a square plate shape, and the legs are located in a plane orthogonal to the support plate and along side edges of the support plate. Stacking tray. 3. The multi-stack tray according to claim 2, wherein the leg portion and the leg housing portion are disposed in the middle of at least one of the length direction and the width direction of the support plate.