JPH1016954A - Box-shaped container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent an opening of a container, whose flap is located on the bottom, from being closed even when being stacked, improve the workability of a housing work, and save a space by a method wherein an opening is formed at least on one of the side walls, and at the same time, a flap comprising a flap part which is divided in the vertical direction, to open/close the opening, is arranged at the opening. SOLUTION: A lower turning door part 11b which is approx. vertically hung, based on a shorter frame 9b of an attaching member 9 under a state being horizontally turned, with a horizontal shaft 10 being attached to the bottoms of vertical internal edge surfaces 8c being confronted to each other, of a swinging side wall 8, as the pivotal center. Then, an upper turning door part 11a which is connected to the lower turning door part 11b by a thinner thickness part 11c or an appropriate hinge, is arranged in a manner to be superposed with the lower turning door part 11b. By doing so, an opening 8b being formed on the swinging side wall 8, is placed under an open state. For this reason, even when this box-shaped container C is stacked, the door 11 of the box-shaped container C being located on the top under a state wherein the opening 8b is opened, does not close the opening 8b of the box-shaped container C on the bottom, and a space can be saved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a box-shaped container provided with an openable / closable door on at least one of four side walls disposed so as to surround a bottom.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 5, an opening 2 is provided in a side wall 1 while leaving a peripheral portion 1a of the side wall 1, and a lower end of a door 3 is turned to the side wall 1 by a hinge or the like. The opening 2 formed in the side wall 1 by being movably mounted.
A box-shaped container C that can be opened and closed by a door 3 is known. Such a box-shaped container C is used alone to store various articles. As shown in FIG. 5, a large number of the box-shaped containers C are vertically and horizontally sandwiched between passages. It is used in place of a kind of warehouse where stacking, opening and closing the door 3 disposed on the side wall 1 to take out articles from the box-shaped container C and store articles in the box-shaped container C are performed. ing. Reference numeral 4 denotes a lid covered by the uppermost box-shaped container C stacked.

[0003]

The above-described conventional box-shaped container C has a structure in which the door 3 is opened centering on the lower end of the door 3 so that the door 3 is tilted down to the horizontal position.
As shown in FIG. 5, when a large number of box-shaped containers C are stacked vertically, horizontally, and horizontally, the door 3 in the horizontal state obstructs the removal of the articles from the box-shaped containers C and the transfer to the box-shaped containers C. There is a problem that it becomes difficult to store the goods. Further, when a large number of box-shaped containers C are stacked vertically and horizontally across the passage, the width of the passage must be widened by the horizontal door 3. However, there is a problem that the space for stacking is increased.

In the case where the door 3 is configured to be tilted to the vertical state, the door 3 of the box-shaped container C located above
There is a problem in that the opening 2 of the lower box-shaped container C is closed, so that it is difficult to take out articles from the lower box-shaped container C and store the articles in the box-shaped container C.

An object of the present invention is to solve the above-mentioned problems of the conventional box-shaped container and to provide a box-shaped container with improved workability.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention firstly forms an opening in at least one of the side walls and opens and closes the opening in the opening. Secondly, the door comprises an upper pivoting door and a lower pivoting door connected to each other, and The lower rotating door is rotatably attached to a mounting member rotatably disposed below the side wall having the opening, and thirdly, the door is It comprises an inner door portion and an outer door portion in which the left and right edges are inserted into a vertical groove provided in a side wall having an opening.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The case where the present invention is applied to a known foldable box-shaped container C will be described below. However, the present invention can be applied to an ordinary box-shaped container which cannot be folded. However, the present invention is not limited to this embodiment unless it exceeds the limit.

Reference numeral 5 denotes a bottom portion, 6 denotes an upper frame member having a substantially rectangular planar shape, 7 denotes a pair of side walls arranged opposite to each other, and each of the side walls 7 It comprises a possible upper partition 7a and a lower partition 7b. Reference numeral 8 denotes another pair of side walls arranged opposite to each other. The upper horizontal frame 8a of the side wall 8 is formed on the upper frame member 6 so that the side wall 8 can rotate inside the box-shaped container C. It is attached via appropriate hinges and the like. Hereinafter, the side wall 7
The side wall 8 is referred to as a “split side wall”, and the side wall 8 is referred to as a “flip-up side wall”.

Reference numeral 8b denotes an opening formed in the flip-up side wall 8. 9 is a horizontal frame 9 extending in the width direction of the opening 8b.
a and an end member 9b extending perpendicular to the horizontal frame 9a from both ends of the horizontal frame 9a. The mounting member 9 is located near the root of the end frame 9b or the horizontal frame 9
By inserting a horizontal shaft 10 attached to the lower part of the opposed vertical inner edge surface 8c of the flip-up side wall 8 into horizontal holes formed at both ends of the upper side a, the rotary shaft is rotatably attached to the flip-up side wall 8. Have been.

Reference numeral 11 denotes a vertically divided door, and the upper turning door 11a and the lower turning door 11b are connected to each other through a thin portion 11c or an appropriate hinge.
Inserting the horizontal shaft 12 attached to the lower end of the opposed vertical edge surface 11b 'of the lower turning door 11b into a horizontal hole formed near the free end of the end frame 9b of the mounting member 9. By
As shown in FIG. 1, the lower turning door portion 11 b is configured to be able to turn to a position where the lower turning door portion 11 b hangs substantially vertically with respect to the end frame 9 b of the mounting member 9 which has been turned horizontally. ing. 13 is an upper horizontal edge 11a 'of the upper turning door 11a.
Is an engaging piece that is attached to a substantially central concave portion and that can come and go.
Is a protruding piece which is hung down from a substantially central portion of the upper horizontal frame 8d of the flip-up side wall 8 and which is engageable with a releasable engaging piece 13 disposed on the upper turning door 11a.

As shown in FIG. 1, the end of the mounting member 9 is rotated horizontally about a horizontal shaft 10 attached to the lower part of the opposed vertical inner edge surface 8c of the flip-up side wall 8. The lower turning door portion 11b is suspended substantially vertically from the frame 9b, and the thin turning portion 11 is attached to the lower turning door portion 11b.
c, or by disposing the upper pivoting door portion 11a connected via an appropriate hinge so as to overlap the lower pivoting door portion 11b, so that the opening 8b formed in the flip-up side wall 8 is formed.
Is opened. As described above, the door 11 is connected to the thin-walled portion 11c or the upper rotating door 11 connected by a suitable hinge.
a and the lower rotating door portion 11b, and is attached to the flip-up side wall 8 via the rotatable mounting member 9, as shown in FIG. Even if they are stacked, the door 11 of the box-shaped container C positioned above the state where the opening 8b is opened does not block the opening 8b of the box-shaped container C positioned below. Also, the lower rotating door 11
b is suspended substantially vertically, and the upper rotating door portion 11a is configured to overlap with the lower rotating door portion 11b, so that the box-shaped containers C stacked on both sides are arranged therebetween. Thus, it is not necessary to increase the width of the passage, so that the space required for stacking the box-shaped containers C can be reduced.

To close the opening 8b, when the upper pivoting door 11a is lifted, the thin pivot 11c or the lower pivoting door 11b connected via a suitable hinge is also moved around the horizontal shaft 12. It is lifted upward while rotating. When the lower rotating door portion 11b is lifted upward, the mounting member 9 is moved around the horizontal shaft 10 attached to the lower portion of the opposed vertical inner edge surface 8c of the flip-up side wall 8 in a substantially horizontal state. 9b pivots until it is vertical, as shown in FIG. Upper rotating door portion 11a constituting door 11
When the lower pivot door 11b and the end frame 9b of the mounting member 9 are in a vertical state, the opening 8b is closed by the door 11. With the opening 8b closed by the door 11, the upper horizontal edge 11 of the upper turning door 11a is opened.
The engagement piece 13 that can be freely retracted and attached to the substantially central concave portion of a ′ is
Projection piece 14 formed on upper horizontal frame 8d of flip-up side wall 8
To prevent the door 11 from opening naturally.

Next, another embodiment shown in FIGS. 3 and 4 will be described.

In this embodiment, a vertical groove 15 is formed over substantially the entire height of the flip-up side wall 8 on the opposed vertical inner edge surface 8c of the flip-up side wall 8, and a door 16 is formed in the vertical groove 15. An inner door portion 16a and an outer door portion 16 slidable vertically along the vertical groove 15.
The left and right edges of b are inserted. An engaging projection 16a 'projecting outward is formed at the upper end of the inner door 16a, and an engaging projection 16b' projecting inward is formed at the lower end of the outer door 16b. FIG. 4 (a)
As shown in the figure, when the opening 8b formed in the flip-up side wall 8 is closed by the door 16, the engaging projection 16b 'formed at the lower end of the outer door 16b is inserted into the inner side. The engagement projection 16a 'formed on the upper end of the door 16a is engaged so that the inner door 16a hangs down from the outer door 16b.

Reference numeral 17 denotes an outwardly protruding handle formed below the upper end of the outer door 16b. A projection 16 projecting outward is provided at the upper end of the outer door portion 16b.
b "is formed, while a horizontal groove 8d into which the upper edge of the outer door portion 16b can be fitted is formed in the upper horizontal frame 8a of the flip-up side wall 8, and the outer wall 8 of the upper horizontal frame 8a is formed.
a ′ is formed with a protrusion 8a ″ directed inward.

The inner door 16a shown in FIG.
The opening 8b formed on the flip-up side wall 8 is opened in a state where the outer door 16b is located below and overlapped with the outer door 16b. From this state, hold the handle 17 and move the outer door 1
6b is lifted along the vertical groove 15, the outer door 1
6b, the engagement protrusion 16b 'formed at the lower end of the outer door 16b engages with the engagement protrusion 16a' formed at the upper end of the inner door 16a.
Due to the rise of b, the inner door 16a also rises. Thereafter, the upper edge of the outer door portion 16b is moved to the upper horizontal frame 8a.
And a projection 16b "formed on the upper end of the outer door portion 16b is engaged with a projection 8a" formed on the outer wall 8a 'of the upper horizontal frame 8a. The door part 16b falls naturally, and the flip-up side wall 8
The opening 8b formed in the opening is not opened.

The inner door portion 16 shown in FIG.
4A, the inner door portion 16a and the outer door portion 16b are lifted, as shown in FIG. To prevent a gap from being formed in the flip-up side wall 8 located below the lower edge 16a ″ of the flip-flop 16a, the flip-up side wall 8 is formed with a blind wall 8e. In this embodiment, a blind wall 8e is provided. Although the opening 8b formed in the flip-up side wall 8 becomes smaller, when the door 16 is opened and closed, the inner door 16a and the outer door 16b are
, The door 16 does not protrude from the outer wall surface of the flip-up side wall 8, so that when the box-shaped containers C are stacked with the passage therebetween, the width of the passage is further reduced. can do.

FIG. 5 shows a modification of the embodiment shown in FIGS. 3 and 4 described above. In this embodiment, a blind wall 8e formed on the flip-up side wall 8 is formed upward, and an engagement projection 8e 'protruding outward is formed at the lower end of the blind wall 8e. Inner door 1 similar to inner door 16a and outer door 16b of the embodiment described above.
8a and the outer door portion 18b, the door 18 shown in FIG.
As shown in (a), when the opening 8b formed in the area below the flip-up side wall 8 is closed, the engaging projection 8e 'formed outside the lower end of the blind wall 8e has
Engagement projection 1 formed inside upper end of inner door portion 18a
8a 'is engaged, and an engagement projection 18b' formed inside the upper end of the outer door 18b is engaged with an engagement projection 18a "formed outside the lower end of the inner door 18a. Then, the upper half of the opening 8b of the flip-up side wall 8 is closed by the inner door portion 18a, and the lower half of the opening 8b of the flip-up side wall 8 is closed by the outer door portion 18b. It is configured.

Then, as shown in FIG. 5 (b), the inner door portion 18a and the outer door portion 18b are connected to the vertical groove 15 formed in the opposed vertical inner edge surface 8c of the flip-up side wall 8.
, The opening 8b of the flip-up side wall 8 can be opened. In this embodiment, since the blind wall 8e is formed above and the opening 8b is formed in the area below the flip-up side wall 8, the blind wall 8e shown in FIGS. 3 and 4 is formed below. As compared with the case where the articles are taken in and out from the opening 8b, the blind wall 8e does not become an obstacle, and the workability of taking in and out the articles is improved.

The two flip-up side walls 8 arranged opposite to each other
An opening 8b is formed in the opening 8b, and doors 11, 16 and 18 are preferably formed in the opening 8b, respectively.
Doors 11, 16, and 18 may be formed in b. Although the embodiment of the present invention has been described using an example in which the box-shaped container C is foldable, the side walls 7 and 8 erected so as to surround the bottom portion 5 may be formed as divided side walls or flip-up side walls. Alternatively, a normal side wall that cannot be folded can be used, and the doors 11, 16, and 18 described above can be formed on the side wall.

[0021]

Since the present invention is configured as described above, the following effects can be obtained.

Even when the box-shaped containers are stacked, the door of the box-shaped container positioned above the state where the opening is opened does not block the opening of the box-shaped container positioned below. The workability of taking out and storing articles is improved.

Even when the side wall opening is open, the door does not occupy the passage, so that the width of the passage can be narrowed, and therefore, the space for stacking the box-shaped containers can be reduced. can do.

[Brief description of the drawings]

FIG. 1 is a perspective view of a box-shaped container of the present invention in a state where an opening is opened.

FIG. 2 is a perspective view of the box-shaped container of the present invention with an opening closed.

FIG. 3 is a perspective view of another box-shaped container of the present invention with an opening closed.

FIG. 4 is a vertical sectional view showing the vicinity of an opening along a divided side wall of the box-shaped container of the present invention shown in FIG. 3;

FIG. 5 is a vertical sectional view showing the vicinity of an opening along a divided side wall of a box-shaped container according to another embodiment of the present invention similar to FIG.

FIG. 6 is a perspective view of a conventional box-shaped container.

[Explanation of symbols]

 5 bottom part 6 top frame member 7 divided side wall 8 Opening side wall 8b Opening 9 Mounting member 11, 16, 18 Door

Claims (3)

[Claims] An opening is formed in at least one of the side walls, and a door comprising a vertically divided door portion for opening and closing the opening is provided in the opening. Box type container. 2. The door comprises an upper pivoting door and a lower pivoting door connected to each other, and the lower pivoting door is rotatable below a side wall having an opening. The box-shaped container according to claim 1, wherein the box-shaped container is rotatably attached to the attached attachment member. 3. The door according to claim 1, wherein said door comprises an inner door and an outer door having left and right edges inserted into vertical grooves formed in a side wall having an opening. A box-shaped container according to item 1.