JP2000085772A - Carriage container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the deformation and damage caused by the load applied from above at the time of stacking components vertically and control the large positional shift in the lateral direction between the upper portion and the lower portion. SOLUTION: An upper peripheral flange 13 and lower peripheral flange 14 continued together are protruded on an upper section and a lower section of a container main body. Protrusions 21 are formed on the upper face of the upper peripheral face flange 13, while recessed lines are formed on the lower face of the lower peripheral face flange 14. When the container main body 11 is stacked, protrusions 21 are stored in the recessed lines. When the container main body 11 is moved in the lateral direction, the side faces of the protrusions 21 are engaged with the inner walls of recessed lines to control the movement of the container main body 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transport container capable of accommodating, for example, fish and shellfish and configured to be vertically stacked.

[0002]

2. Description of the Related Art Conventionally, this type of transport container is integrally formed of a synthetic resin into a rectangular box with a bottom, and a laterally continuous peripheral flange is formed at an upper portion and a lower portion of the container body. The bottom plate of the container body is formed so as to be located below the lower end surface of the lower peripheral flange. Further, a bottom rib is formed on the lower surface of the transport container so as to form a square ring by slightly projecting a peripheral edge of the bottom plate downward. Then, the fish and shellfish are accommodated in the accommodation space inside the container body.

When stacking a plurality of transport containers one above the other, the bottom of the upper transport container is inserted into the upper opening of the lower transport container, and the lower peripheral flange of the upper transport container is connected to the lower transport container. Is engaged with the upper peripheral flange. In this way, by positioning the upper transport container with respect to the lower transport container, a plurality of transport containers are stacked up and down in a state where a predetermined storage space is held in the lower transport container. Can be

[0004]

However, when the above-mentioned transport containers are stacked up and down, the total weight of the plurality of transport containers and the contents thereof is added to the bottom rib of the transport container located at the lowest position. Since the width of the bottom rib is formed short and the ground contact area is small, the side wall of the container body is twisted laterally by the load applied from above with the bottom rib lower surface as a center, and the transport container may be damaged. Was.

[0005] There is also known a transport container in which the bottom surface of the container body is set at the same position as the lower surface of the lower peripheral flange. In the case of this configuration, the lower end surface of the lower peripheral flange comes into contact with the ground, and the grounding area is increased, thereby preventing the damage of the transport container.

However, when the transport containers are stacked one on top of the other and the upper peripheral flange and the lower peripheral flange are engaged, the surface of each peripheral flange is slippery because the transport container is made of synthetic resin. The frictional force between the two peripheral flanges is weakened. For this reason, when the transport containers are stacked, there is a problem that the positions are largely shifted in the lateral direction.

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 transport container capable of preventing deformation and breakage due to a load applied from above when stacked vertically and capable of restricting a large lateral displacement between the upper and lower sides. It is in.

[0008]

In order to achieve the above object, the invention of a transport container according to claim 1 is directed to a container having a rectangular box shape with a bottom and having a laterally continuous upper and lower portion of the container body. When the container body is vertically stacked on the lower surface of the lower peripheral flange, it is recessed so as to straddle the projecting portion. And a load that can be supported by at least the concave portion.

According to a second aspect of the present invention, there is provided a transportation container according to the first aspect, wherein the upper surface of the lower peripheral flange is inclined obliquely downward from a base end toward a front end thereof. Surface.

[0010]

Embodiments of the present invention will be described below in detail with reference to the drawings. As shown in FIG. 1, the container main body 11 is integrally formed in a rectangular box shape with a bottom and an open top made of synthetic resin, and fish and shellfish are stored in a storage space inside the container. In addition, a plurality of insertion holes 12 are provided at predetermined intervals in the side wall 11b and the bottom wall 11a facing each other in the longitudinal direction of the container body 11, so that water or the like that accumulates in the housing space can be discharged. It has become.

As shown in FIGS. 1 and 2, the upper peripheral flange 13 is formed continuously at the upper end of the container body 11 so as to surround the outer peripheral surface thereof. As shown in FIGS. 1 and 3, the lower peripheral flange 14 projects slightly below the lower end of the container body 11 and is formed continuously in the lateral direction so as to surround the outer peripheral surface.
That is, the lower peripheral flange 14 is formed so as to be located below the bottom wall 11 a of the container body 11.

As shown in FIG. 1, when the container bodies 11 are vertically stacked, the lower peripheral flange 14 of the upper container body 11 is connected to the upper peripheral flange 1 of the lower container body 11.
3 to hold the housing space inside the container body 11 below. In addition, lower peripheral flange 1
The upper surface of 4 has an inclined surface 15 which is inclined obliquely downward from the base end side to the distal end side, and since water and the like are prevented from accumulating in this portion during cleaning or the like, cleaning performance is improved. Is good.

As shown in FIG. 4 and FIG.
Numeral 6 protrudes in a diagonal direction on the outer peripheral surface of the corner portion of the container body 11 so as to extend in the height direction of the container body 11. The side wall rib 17 is provided between the upper peripheral flange 13 and the lower peripheral flange 14 so as to protrude continuously in the lateral direction so as to surround the outer peripheral surface of the container body 11. The plurality of side reinforcing ribs 18 are provided on the outer peripheral surfaces of the side walls 11 b and 11 c of the container body 11 from the upper peripheral flange 13 to the lower peripheral flange 14 so as to extend in the height direction of the container body 11.

As shown in FIG. 3, the bottom wall 1 of the container body 11 is
A plurality of bottom reinforcing ribs 19 are provided on the outer surface of the container body 11a.
Projecting in the longitudinal direction and the width direction.
In particular, the side reinforcing ribs 18 and the bottom reinforcing ribs 19 near the protruding portions 21 are formed to extend continuously by the bridging ribs 20. Each of these ribs 16, 17,
18 and 19 are adapted to receive a load such as torsion applied to the container body 11 and prevent the deformation thereof.

As shown in FIG. 1, a plurality of protrusions 21 are formed on the upper surfaces of the four corners of the upper peripheral flange 13 so as to form a truncated pyramid. The side reinforcing ribs 18 are formed so as to be located at the center between the adjacent projecting portions 21.

As shown in FIG. 3, the lower peripheral flange 14
On the lower surfaces of the four corner portions, a corner portion concave streak 22b as a substantially L-shaped concave portion is recessed by a predetermined depth. Further, on both sides of the lower peripheral flange, a plurality of side recesses 22a connected to the corner recesses 22b are formed.

As shown in FIGS. 6 and 7, when the lower peripheral flange 14 is disposed on the upper peripheral flange 13,
Each of the concave stripes 22a and 22b straddles each of the projecting portions 21 and accommodates the projecting portion 21 inside thereof. Container body 1
Among the plurality of protrusions 21 located on the side wall 11b facing each other in the longitudinal direction, the protrusion 21 located at the most central side is loosely fitted in the side recess 22a, and the other protrusions 21 are provided. Are loosely fitted in the corner recesses 22b. Also,
The plurality of projecting portions 21 located on the opposed side walls 11c in the width direction of the container body 11 are all loosely fitted in the corner concave streaks 22b. When the container body 11 is largely displaced in the lateral direction, the side surface of each protruding portion 21 and each of the concave streaks 22a, 22
The movement is regulated by the engagement of the inner side wall or the bridging rib 20 of FIG.

As shown in FIG. 1 or FIG.
A grip portion 24 is provided at the center of the side wall 11c opposed in the width direction. The grip portion 25 is formed by making the lower surface of the side wall rib 17 uneven, and the transport container is moved and transported by gripping the grip portion 25 by hand.

The transport container according to the embodiment is transported and transported in a state in which fish and the like are stored in the internal storage space. When stored in a warehouse or the like, the plurality of transport containers are stacked up and down.

As shown in FIG. 1, in this case, first, the lower peripheral surface flange 14 of the upper transport container is aligned with the upper peripheral flange 13 of the lower transport container. The flange 14 is placed on the upper peripheral flange 13. At this time, the projecting portion 2 of the upper peripheral flange 13
1 is loosely fitted into each of the recesses 22a and 22b of the lower peripheral flange 14. Further, by repeating the same operation a plurality of times, the transport containers are stacked.

When the transport containers are stacked, the lower peripheral flange 14 may be slightly offset from the upper peripheral flange 13. In this case, the projecting portion 2
1 is inclined, so that the lower peripheral flange 1
4 is guided to the upper surface of the upper peripheral flange 13 by the projecting portion 21.

In the case where a plurality of transport containers are stacked and a force such as vibration or impact is applied and a large displacement is to be caused in the lateral direction, the side recess 22a of the lower peripheral flange 14 or the corner recess is required. Within the ridge 22b, the side concave ridge 2
2a or the inner wall or bridging rib 20 of the concave groove 22b
And the side surface of the projecting portion 21 are engaged. The engagement of the two restricts the movement of the lower peripheral flange 14 with respect to the upper peripheral flange 13, thereby preventing a large lateral displacement between the upper and lower transport containers.

The effects exerted by the above embodiment will be described below. According to the transport container of the embodiment, the lower peripheral flange 14 is formed so as to surround the outer peripheral surface of the bottom peripheral wall, and the lower peripheral flange 14 is configured to receive a load applied from above. For this reason, when the transport containers are stacked up and down, it is possible to prevent deformation and breakage due to the load applied from above. In addition, side and corner recesses 22a and 22b are formed on the lower surface of the lower peripheral flange 14, and a projecting portion 21 is provided on the upper surface of the upper peripheral flange 13 corresponding thereto. . And each concave stripe 2
2a and 22b, the projecting portion 21 is accommodated, and when a force such as vibration or impact is applied, and the transport container moves in the lateral direction, the projecting portions 21 and the inner side walls or bridging ribs 20 of the concave streaks 22a and 22b are formed. 2
Since the first side surface is engaged, a large lateral displacement between the upper and lower sides can be restricted.

According to the transport container of the embodiment, the upper surface of the lower peripheral flange 14 is the inclined surface 15 which is inclined obliquely downward from the base end toward the distal end. For this reason, it is possible to prevent water and the like from accumulating in this portion at the time of washing, etc.
The hygiene of the transport container can be maintained, and the strength of the lower peripheral flange 14 can be improved.

According to the transport container of the embodiment, since the corner rib 16, the side and bottom reinforcing ribs 18 and 19, and the side wall rib 17 are provided on the outer surface of the container body 11,
Deformation and breakage of the container body 11 due to a force such as torsion can be effectively prevented.

According to the transport container of the embodiment, the side reinforcing ribs 18 and the bottom reinforcing ribs 19 near the projecting portions 21 are provided.
Is formed so as to extend continuously by the bridging rib 20. Therefore, a load from above is applied to both reinforcing ribs 1.
8, 19 can be received as a whole, the strength of the transport container can be improved, and the deformation and breakage of the container body 11 due to the force such as twisting can be more effectively prevented.

According to the transport container of the embodiment, since the projecting portion 21 is formed in a truncated pyramid shape, the side surface of the projecting portion 21 is inclined. For this reason, the upper peripheral flange 13
The lower peripheral flange 14 can be guided to a predetermined position by the side surface of the projecting portion 21 even when the lower peripheral flange 14 is placed in a slightly shifted state.

According to the transport container of the embodiment, a plurality of projecting portions 21 are provided on the upper surface of the upper peripheral flange 13. For this reason, even when the transport containers are slightly misaligned between the top and bottom when stacked, at least one of these
Since the pair is loosely fitted in the side or corner concave streaks 22a, 22b, a large lateral displacement between the upper and lower sides can be effectively regulated.

According to the transport container of the embodiment, the concave portions are formed as the side or corner concave grooves 22a, 22b.
, It is not necessary to perform fine positioning when stacking the transport containers, and the workability can be improved.

According to the transport container of the embodiment, the lower peripheral flange 14 is formed so as to be located lower than the bottom wall 11 a of the container body 11, and the lower peripheral flange 14 is formed between the bottom wall 11 a and the lower peripheral flange 14. A space is formed between them. For this reason, even when fish and shellfish are fully loaded in the storage space of the container body 11 and the transport containers are stacked, the upper container body 1
It is possible to prevent the fish and shellfish from being damaged by the one bottom wall 11a.

According to the transport container of the embodiment, the side and corner concave ridges 22 a and 22 b are formed in an annular shape so as to surround the restricting projection 17. When the transport container is going to be largely displaced in the lateral direction, the projecting portion 2
Since the side surfaces of the first and the inner side walls of the concave strips 22a and 22b are always engaged with each other, it is possible to reliably restrict a large lateral displacement.

The present embodiment can be embodied with the following modifications. In the transport container according to the present embodiment, the articles to be stored are not limited to fish and shellfish, and for example, bread, vegetables, parts of machine tools, and the like.

In the transport container according to the present embodiment, the projecting portion 21 is, for example, an L-shaped projecting ridge 23 as shown in FIG. Alternatively, the projecting portion 21 is formed in a quadrangular prism shape, a truncated triangular pyramid shape, or the like.

In the transport container of the present embodiment, the inclined surface 15 of the lower peripheral flange 14 is changed to a horizontal plane. For example, as shown in FIG.
Are formed continuously in the horizontal direction so as to surround the outer peripheral surface of the container body 11, and a plurality of circular holes 24 are formed as recesses in the lower peripheral flange 14. And
The projecting portion 21 is formed as a plurality of columnar shapes corresponding to the shape of the circular hole 24, and when the container main bodies 11 are stacked, the two are engaged by fitting the projecting portion 21 into the circular hole 24. thing. At this time, it is preferable to provide a gap of a predetermined size between the column constituting the projecting portion 21 and the circular hole 24.

With such a configuration, the configuration of the transport container can be simplified. When the recessed portion is formed as the circular hole 24 and the projecting portion 21 is formed as a column, the engagement between the circular holes 24 and the projecting portion 21 ensures a large lateral displacement. In addition to being able to prevent, water and the like that accumulate on the upper surface of the lower peripheral flange 14 can be discharged from the circular hole 24.

Further, a technical idea which can be grasped from the above embodiment will be described below. A plurality of the projecting portions are formed on the upper surface of the upper peripheral flange, and a concave portion is provided on a lower surface of the lower peripheral flange so as to straddle at least one of the plurality of projecting portions. The transport container according to claim 2.

With such a configuration, even if the transport containers are slightly misaligned between the upper and lower portions when stacked, at least one of the plurality of protruding portions is accommodated in the concave strip, so A large lateral displacement can be effectively controlled.

[0038] The transport container according to claim 1 or 2, wherein the concave portion is formed by an annular concave strip. In such a configuration, the projecting portion and the concave streak are always engaged, so that a large lateral displacement can be reliably restricted.

The transport container according to claim 1 or 2, wherein a reinforcing rib extending continuously from a side wall and a bottom wall of the container body is provided near the projecting portion or the concave portion.
With such a configuration, deformation and breakage of the container body due to a force such as torsion can be more effectively prevented.

In this specification, the term “rib” refers to a concept including a general rib and a thick rib.

[0041]

As described above in detail, according to the present invention, the following effects can be obtained. According to the transport container of the first aspect of the present invention, when the transport containers are stacked up and down, the load applied from above is received by the lower surface of the lower peripheral flange, so that deformation and breakage can be prevented. . In addition, since the projecting portion of the upper peripheral flange is accommodated in the recessed portion of the lower peripheral flange, a large lateral displacement between the upper and lower sides can be restricted.

According to the transport container of the second aspect of the present invention, in addition to the effect of the first aspect of the present invention, it is possible to prevent water and the like from being accumulated on the upper surface of the lower peripheral flange during cleaning or the like. And the hygiene of the transport container can be maintained.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a state in which transport containers according to a first embodiment are stacked.

FIG. 2 is a plan view showing a transport container.

FIG. 3 is a bottom view showing the transport container.

FIG. 4 is a front view showing a state in which a part of the transport container is broken.

FIG. 5 is a side view showing a state in which a part of the transport container is broken.

FIG. 6 is a partially enlarged plan view showing a state in which a protruding portion is accommodated in a concave streak.

FIG. 7 is a partially enlarged cross-sectional view showing a state in which a protruding portion is accommodated in a concave streak.

FIG. 8 is a plan view showing a projecting portion of another embodiment.

FIG. 9 is an exploded perspective view showing a projecting portion and a concave portion of another embodiment.

[Explanation of symbols]

11: Container body, 13: Upper peripheral flange, 14: Lower peripheral flange, 15: Inclined surface, 21: Projecting portion, 22a ...
Side recesses as recesses, 22b ... corner recesses as recesses.

 ────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hidetoshi Yamaguchi 9-25-25 Kandacho, Gifu City, Gifu Prefecture Gifu Plastic Industry Co., Ltd. F term (reference) 3E006 AA01 BA01 CA01 DA01 DA03 DB02 DB04 DB05 FA01 3E033 AA09 BA13 DA08 DD01 DD13 EA02 EA04 GA03 3E035 AA05 BA01 BC02

Claims (2)

[Claims] 1. A laterally continuous peripheral flange is provided on the upper and lower portions of a container body formed in a rectangular box shape with a bottom, and a projected portion is provided on an upper surface of the upper peripheral flange. When the container main body is vertically stacked on the lower surface of the flange, a concave portion is provided so as to straddle the projecting portion, and at least the concave portion can support a load. 2. The transport container according to claim 1, wherein an upper surface of the lower peripheral flange is formed as an inclined surface which is inclined obliquely downward from a base end to a distal end.