JPH0595834U - Transport container - Google Patents

Abstract

(57) [Summary] [Purpose] Cross-stacking (nesting)
It is possible to reduce the volume by using the container without tilting the containers without causing displacement of the containers or slipping of the upper container. provide. A cross-section provided with a bottom wall portion, a long side wall portion, and a short side wall portion integrally formed of plastic, and a cutout portion capable of accommodating a part of the short side wall portion is provided in the long side wall portion, In a transport container in which the storage size is reduced by stacking, a convex portion is formed at the corner of the cutout portion, and a concave portion is formed at the lower end edge of the side wall portion which overlaps this when cross-stacking, and the convex portion and the concave portion when cross-stacking. A carrying container adapted to engage with.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a transport container that can be stably stacked and stacked and can be easily adapted to a transport line.

[0002]

[Prior Art]

 BACKGROUND ART Conventionally, containers called bunshige are widely used for transporting food items such as bread. In this type of container, when filled with contents such as food, it is necessary to stack them so that a sufficient volume is secured so as not to press the contents. Stacking in a state where the volume is smaller than the stacked state is desirable to save distribution costs.

As a container that can be stacked (nesting) and stacked (stacking) in this way, Japanese Utility Model Publication No. 57-57009 discloses that the facing side wall is a high wall, and the side wall connected to this is a low wall. In the box body consisting of the bottom plate and the bottom plate, a mechanism for engaging the upper and lower ends of the high wall with each other is provided, and both sides of the lower side of the high wall are arcuate sides, and both sides of the bottom wall are fitted with inclined surfaces for guiding. The structure provided is described.

[0004]

[Problems to be solved by the device]

 The container of the above invention achieves the advantage that nesting by cross-stacking, that is, volume reduction is easily performed, but when the container is tilted in the cross-stacked state, there is a problem that the upper container slides down. is there.

In order to solve this problem, a notch is provided in the bottom of the upper container to be cross-stacked, and the notch is engaged with the upper part of the short wall, or the lower end of the high wall is projected from the bottom. It was attempted to provide a protruding leg and engage this leg with the outer surface of the short wall.However, when automatically transporting the container, the legs and cutouts on the bottom surface are caught in the transport mechanism such as rollers, and the random direction There is a disadvantage that the workability in transportation is poor.

Therefore, the object of the present invention is possible to reduce the volume by stacking (nesting) by cross stacking without causing displacement of the containers or slipping of the upper container even when the containers are tilted. At the same time, it is to provide a transport container that is significantly superior in transport workability in random directions.

[0007]

[Means for solving problems]

 According to the present invention, a notch portion that is integrally formed of plastic and has a bottom wall portion, a long side wall portion, and a short side wall portion, and that can accommodate a part of the short side wall portion in the long side wall portion. In a transport container in which the storage size has been reduced by cross stacking, a convex portion is formed at the corner of the notch, and a recess is formed in the lower edge of the side wall that overlaps this when cross stacking. A transport container is provided in which the convex portion and the concave portion are engaged with each other.

In the present invention, it is preferable that an engaging protrusion is provided at an upper end of the short side wall portion and an engaging recess is provided at a lower end thereof so that they can be engaged with each other at the time of stacking.

[0009]

[Action]

 The transport container of the present invention comprises a bottom part, a long side wall part and a short side wall part which are integrally molded of plastic, and the long side wall part has a notch for accommodating a part of the short side wall part. A part is provided, and the storage size is reduced by cross stacking.

In the present invention, a convex portion is formed at a corner portion of the cutout portion, and a concave portion is formed at a lower end edge of a side wall portion which is overlapped with the concave portion when 90 degree cross-stacking is performed. To prevent slippage of the upper container and misalignment of the containers even when the containers are tilted.

In the carrying container of the present invention, the engaging convex portion is provided in the corner portion of the cutout portion, that is, the portion recessed from the outer dimension of the container, so that it touches other portions and other things. There is no hindrance to work such as loading and unloading of contents, transportation of containers and stacking of containers, and the concave part that engages with this convex part is provided only on the lower edge of the side wall part. Regardless of the direction, the support position at the bottom is always constant regardless of the direction, and the bottom structure is prevented from catching on the transport mechanism such as rollers or rattling during transport, and the random direction It is possible to improve the workability in transportation.

[0012]

【Example】

 In "Fig. 1" (partially sectional front view), "Fig. 2" (partially sectional side view) and "Fig. 3" (partly upper surface partially bottom view) showing an example of the transport container of the present invention, this container Comprises a bottom wall 1, a long side wall 2 and a short side wall 3 which are integrally formed by plastic. In the center of the long side wall portion 2, a cutout portion 4 capable of accommodating a part of the short side wall portion 3 is provided. A convex portion 5 is formed at a corner portion of the cutout portion 4. A recess 6 is formed at the lower edge of the side wall corresponding to this.

In “FIG. 4” showing the state of stacking at 90 ° cross, the upper container B is in a 90 ° cross state with respect to the lower container A, and the upper container B is in the convex portion 5 of the lower container A. The recesses 6 of the container B are engaged with each other to stabilize the position in the stacked state.

In the container of the present invention, when the containers are stacked or piled up, it is preferable to reinforce the portions where the containers overlap with each other with a flange, a rib or the like. In the specific example shown in the figure, the long side wall portion 2 is vertically inclined as a whole as a whole in order to facilitate the storage and removal of articles, and a high wall portion left uncut at both ends. 7, a low wall portion 8 cut out in the center, and a wall portion (convex portion) 5 having an intermediate height in the middle of both. At the upper end of the high wall portion 7, there is a short uppermost flange 9 extending in the horizontal direction, and at the upper end of the low wall portion 8, a short side wall portion supporting flange having a length substantially corresponding to the length of the short side wall portion. 10 are provided. A short length horizontal flange 11 is provided at the upper end of the convex portion 5, and the horizontal flange 11 has an uppermost flange through a vertical or inclined flange 12 which serves as a guide at the time of cross stacking at one end thereof. 9 and is connected to the short side wall supporting flange 10 at the other end through a short vertical flange 13. All of these flanges 9, 12, 11, 13, and 10 are continuous, and are provided so as to project in the outer short side direction of the container and in the horizontal direction.

At the lower end of the long side wall portion 2, there is also a lower flange 14 that also extends in the horizontal direction. At both ends of this lower flange 14, short vertical flanges 15 are used to extend a short step-forming flange that extends in the horizontal direction. 16 are provided. All of these flanges 14, 15 and 16 are also continuous, and are provided so as to project in the outer short side direction of the container and in the horizontal direction. It will be understood that the short step forming flange 15 forms the concave portion 6 corresponding to the convex portion 5 at the lower end edge of the long side wall portion 2. When the upper and lower two-stage containers are stacked in a cross, the displacement of the upper container in the long side direction is prevented by the engagement of the concave portion 5 and the convex portion 6, while the displacement of the upper container in the short side direction is prevented. The position deviation to the above is caused by the engagement between the convex vertical flange 13 and the bottom wall portion 1 (described in detail below) or the step for forming the step between the vertical wall 12 and the long side wall portion 2 thereon. It is prevented by the engagement of the flange 16.

In order to increase the vertical mechanical strength of the long side wall part 2, a vertical direction flange bridging these in the vertical direction is provided between the upper flange, for example, 10 and the lower flange 15. 17 is also provided on the outside of the container and protruding in the horizontal direction. Further, side end edge flanges 18 and 18 are provided at both ends of the long side wall portion 2 so as to connect the uppermost flange 9 and the step forming flange 16 to the outside long side direction of the container and in the horizontal direction. It is provided so as to project. These side edge flanges 18, 18 are flush with the outer surfaces of the other flanges provided on the long side wall portion 2 (a common vertical surface).

The above-mentioned side edge flange 18 also serves as a reinforcing flange for the short side wall portion 3. That is, the short side wall part 3 is also vertically inclined as a whole in order to facilitate the storage and removal of articles, and the upper part of the short side wall part 3 is horizontally inclined. The upper flange 19 extending in the direction is provided so as to be connected to the upper end of the side edge flange 18 or the vertical flange 18A extending outward from the side edge flange 18 on the short side, and at the lower portion of the short side wall portion 3. Is provided so that the lower flange 20 extending in the horizontal direction is connected to the side edge flange 18 or the lower end of the vertical direction flange 18A extending outward from the side edge flange 18 on the short side. The upper flange 19 is provided so as to project in the outer long side direction of the container and in the horizontal direction, while the lower flange 20 projects in the outer shorter side direction of the container and in the horizontal direction, and then the lower part of the container It is provided in a bent state toward. A plurality of vertical flanges 21 are provided between the upper flange 19 and the lower flange 20 so as to bridge them in the vertical direction and project outward in the horizontal direction from the container. It should also be understood that the long side wall 2 may be provided with an intermediate flange 22 extending horizontally between the upper flange 19 and the lower flange 20. The tips of all of these flanges on the short side wall portion 3 are flush so that they are all located on a common vertical plane.

In the container of the present invention, stacking is performed by stacking the short side wall portions 3 on each other. In order to prevent mutual slippage and positional deviation in the stacked state, a locking mechanism capable of locking with each other is provided also at the upper end and the lower end of the short side wall portion 3. For this purpose, in the embodiment shown in the drawing, above the upper flange 19 of the short side wall portion 3, an engaging protrusion (rib) 23 extending upward is provided for almost the entire length of the upper flange 19. On the other hand, between the horizontal portion 24, the vertical portion 25 and the rib-shaped grounding portion 26 (details will be described later) of the lower flange 20, there is formed an engaging recess 27 that engages with the engaging protrusion. ing.

A notch 28 is formed at a small distance from the end of the engaging protrusion (rib) 23. The notch 28 has a guiding inclined portion 29 on the central side and a supporting horizontal portion. 30 and an outer anti-slip vertical portion 31. Corresponding to the cut portion 28, a falling portion 32 is provided inside the lower flange 20, and the fall portion 32 can be engaged with the cut portion 28 of the engaging projection 23. When the upper and lower two-stage containers are stacked in parallel (stacking), the displacement of the upper container in the long side direction is prevented by the engagement between the engagement protrusion 23 and the engagement recess 27. On the other hand, the positional deviation of the upper container in the short side direction is prevented by the engagement of the cut portion 28 and the falling portion 32 described above.

In the container of the present invention, the bottom wall portion 1 is connected to the long side wall portion 2 and the short side wall portion 3 via the corner portion 33. The bottom wall portion 1 is formed with grounding ribs 26 extending inwardly of the corner portion and close to the corner portion and extending downward at a small interval. Since the grounding ribs 26 are continuous and serve as the lowermost surface of the container, the lower surface of the grounding ribs 26 serves as a support surface for the transport mechanism and is random at the time of transport by various transport rollers. This makes it possible to carry the paper smoothly in the direction.

It should be understood that the transport container of the present invention can be variously modified without departing from the spirit described above. For example, in the specific example shown in the drawings, the step forming flanges 16 are provided at both ends of the lower flange 14 of the long side wall portion 2 to thereby form the engaging recess 6, but a long dimension is formed in the center of the lower flange 14. The step forming flange 16 may be provided, and the engaging recess 6 may be formed leaving both ends.

In the container of the present invention, all the members are integrally molded of plastic, but the bottom wall 1, the long side wall 2 and the short side wall 3 are formed in a continuous panel shape without holes. Alternatively, it may be formed in a lightweight grid shape or a shape provided with openings 34 for easy cleaning work. Further, in the specific example shown in the drawings, all the flanges or ribs are arranged on the outside of the container, but it should be understood that these may be arranged on the inside of the container.

[0023]

[Effect of the device]

 The transport container of the present invention comprises a bottom portion, a long side wall portion and a short side wall portion which are integrally molded of plastic, and the long side wall portion can accommodate a part of the short side wall portion. By providing the section, it is possible to reduce the storage size by cross stacking. In addition, a convex portion is formed on the corner portion of the cutout portion, and a concave portion is formed on the lower end edge of the side wall portion which overlaps when cross-stacked at 90 degrees so that the convex portion and the concave portion are engaged with each other during the cross stacking. Thus, even if the containers are tilted, it is possible to prevent the positional displacement between the containers and the slipping of the upper container.

Further, in the carrying container of the present invention, since the engaging convex portion is provided in the corner portion of the cutout portion, that is, the portion recessed from the outer dimension of the container, this is provided in another portion or another portion. There is no hindrance to work such as loading and unloading contents, transporting containers and stacking containers, and since the concave part that engages with this convex part is provided only on the lower edge of the side wall part, Regardless of the presence of the concave portion, the support position on the bottom is always constant regardless of the direction, and the structure of the bottom portion is prevented from being caught by the transport mechanism such as rollers or rattling during transport. It is possible to improve the transfer workability in random directions.

[Brief description of drawings]

FIG. 1 is a partially sectional front view showing an example of a carrying container of the present invention, wherein the right half is a front view and the left half is a front view from a central section.

2 is a partial cross-sectional side view of the container of FIG.
The left half is a side view and the right half is a side view from a central cross section.

FIG. 3 is a partial top view and a partial bottom view of the container of FIG. 1, where the left half is a bottom view and the right half is a top view.

FIG. 4 is an explanatory view showing a state in which the transport containers of the present invention are stacked 90 degrees crosswise.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 is a bottom wall part, 2 is a long side wall part, 3 is a short side wall part 3, 4 is a notch part, 5 is a convex part for engagement 5, 6 is a concave part at the lower end edge of the side wall part, and 7 is a long side wall part. High wall portion, 8 is a low wall portion notched in the center, 9 is an uppermost flange of the long side wall portion, 10 is a short side wall portion supporting flange, 11 is a horizontal direction flange, 12
And 13 are short vertical flanges, 14 lower flanges, 15 vertical flanges, 16 step forming flanges, 17 vertical flanges bridging in the vertical direction, 18
Is a side edge flange, 19 is an upper flange of the short side wall portion,
20 is a lower flange, 21 is a plurality of vertical flanges bridging in the vertical direction, 22 is an intermediate flange extending in the horizontal direction, 23 is an engaging projection (rib), 24 is a horizontal portion,
Reference numeral 25 is a vertical portion, 26 is a rib-shaped ground contact portion 26, 27 is an engaging concave portion, 28 is a notch portion, 29 is a guiding inclined portion on the central side, 30 is a supporting horizontal portion, 31 is an outer vertical slip preventing portion. The parts 31 and 32 are the falling parts 32 and 33, and the corner parts are 3.
4 is an opening, A is a lower container, and B is an upper container.

Claims (2)

[Scope of utility model registration request] 1. A cutout portion formed of a bottom wall portion, a long side wall portion, and a short side wall portion integrally formed of plastic, and a cutout portion capable of accommodating a part of the short side wall portion is provided in the long side wall portion. In a transport container having a reduced storage size by cross-stacking, a convex portion is formed at a corner portion of the cutout portion, a concave portion is formed at a lower end of a side wall portion which overlaps with the cross-stacking portion, and the convex portion is formed at the time of cross-stacking. A transport container in which the recess and the recess are engaged with each other. 2. The transport container according to claim 1, wherein an engaging projection is provided at an upper end of the short side wall and an engaging recess is provided at a lower end of the short side wall so that the engaging recesses can be engaged with each other at the time of stacking.