JPH0714189Y2 - Cardboard container - Google Patents

Description

[Detailed description of the device]

[0001]

[Industrial field of application] The present invention is intended for paper, clothing, everyday goods,
The present invention relates to a cardboard container used to store various items such as stationery and equipment parts.

[0002]

2. Description of the Related Art As a corrugated container, a corrugated paper corrugated cardboard or a plastic corrugated corrugated cardboard is folded into a three-dimensional container having an arbitrary shape. However, since these corrugated cardboard containers are formed by bending a single corrugated board, they have a common structure in which the side plates are closed and only the upper part serves as the opening / closing lid or opening.

[0003]

[Problems to be Solved by the Invention] The above conventional cardboard boxes are used, for example, as collection boxes for recycling used paper, and when collection boxes for different types of waste paper are piled up and set, the collected paper is collected from the collection boxes. It is extremely inconvenient because it is necessary to wholesale and re-load the collection boxes in the stacked posture each time, and if the cardboard boxes are used as clothes bags and stacked in a closet, etc. When,
It has the same inconvenience as the recovery box described above. The present invention provides a corrugated cardboard container that solves the above-mentioned conventional problems.

[0004]

The corrugated cardboard container of the present invention which achieves the above object is described as follows: "In a corrugated cardboard container in which a peripheral portion of a bottom plate is bent to form a side plate, a part of the side plate is cut off in three directions to form a bottom plate. An opening / closing lid is formed in a rectangular shape having a peripheral edge portion on the lower side and the peripheral edge portion of the bottom plate as a thin hinge portion, and further, at an upper edge portion of the side plate above the opening / closing lid, an outer surface of the upper edge portion of the side plate. A strip-shaped upper edge frame is sandwiched along with, and a lid locking plate having a flexible line parallel to the upper edge of the side plate is provided between the upper edge frame and the outer surface of the upper end portion of the side plate. The upper half part is slidably inserted in the vertical direction of the side plate, and further, at the bottom dead center position, the flexible line has the flexible line at the lower end of the upper edge frame and the upper end of the opening / closing lid. And the top dead center position, the flexible line enters the upper edge frame, and Structure having a shape joined to the upper end portion of the serial lid "is characterized.

[0005]

In the corrugated cardboard container of the present invention having the above-described structure, the opening / closing lid having the side edge of the bottom plate as the thin hinge portion is formed by cutting the side plate apart, and the upper half portion is above the upper edge above the opening / closing lid. An intermediate foldable lid locking plate that is inserted into the frame and is slidable up and down and that has a flexible line parallel to the upper edge of the side plate in the middle is provided. And the structure having the above-mentioned requirements at the bottom dead center position, the lid locking plate is flexible when the lid locking plate is closed and the lid locking plate is set to the top dead center position. As the line enters the rigid upper edge frame, and the lower half of the lid locking plate is joined to the outer surface of the opening / closing lid, the lid locking plate becomes a rigid body that cannot be bent, and the closing posture of the opening / closing lid depends on it. Stop locked.

When the lid locking plate is pulled down to the bottom dead center position, the flexible line is located between the upper end of the opening / closing lid and the lower end of the upper edge frame, and the upper edge frame restrains the flexible line. Since it is released, the lid locking plate can be bent from the intermediate flexible line. Further, the opening / closing lid whose side edge of the bottom plate is the lower side of the thin hinge has an outward inclination stress due to the bending of the corrugated cardboard. Push the plate away by itself, or with a little help from your fingertips, it will fall to the outside and open, and the lid locking plate slides up and down to close and lock the open / close lid on the side of the cardboard container with good durability. can do.

[0007]

Embodiments will be described in detail below based on embodiments. Referring to FIG. 1 showing a corrugated board container according to an embodiment of the present invention in which a plurality of sheets are stacked and applied to a used paper collection box, a plastic corrugated board in which a corrugated board is sandwiched between two board materials is used in this embodiment. It is used, and a single plastic corrugated board is bent to form a rectangular parallelepiped-shaped container having an upper opening as shown in FIG. And any side plate 9
A rectangular opening / closing lid 1 is formed by cutting the middle of the plastic cardboard into three sides, and a lid locking plate 2 that functions as a closing lock plate of the opening / closing lid 1 is provided above the opening / closing lid 1.

More specifically, the opening / closing lid 1 has a rectangular shape of a required size with the peripheral edge 4 of the bottom plate 3 as the lower side, and the peripheral edge 4 is a plastic as a bending line when the container is formed. The corrugated cardboard has a thinly compressed shape to form a hinge portion 5 serving as an opening / closing fulcrum of the opening / closing lid 1, and when the opening / closing lid 1 falls down outside the container about the hinge portion 5 as a rotation center, the opening / closing lid 1 is opened. The part where the side plate 9 is cut off for forming is shaped to become the opening 6.

The upper side edge 7 of the side plate above the opening 6 is made of a resin-made rigid upper edge which is covered with the upper side edge 7 of the side plate and forms a strip along the outer and inner surfaces of the upper side edge 7 of the side plate. While the frame 8 is clamped, a strip-shaped lid locking plate 2 described in detail below is provided between the upper edge frame 8 and the outer surface of the side plate 9 to make a required slide stroke in the vertical direction of the side plate 9. It has and is slidably inserted.

That is, the lid locking plate 9 is shown in FIG.
A strip-shaped thin resin plate is provided with a hinge-shaped flexible line 10 which is bendable in parallel with the width side edge at approximately the middle in the width direction which is the up-down direction, and is bendable around the flexible line 10 as a center. It has become. And the lid locking plate 2
Refer to (B), (C), and (D) of FIG. 1, in the upper half 2A,
A pin hole 11 that is a long groove is provided in the up-down direction, and a locking pin 12 that inserts a pin leg 13 into the pin hole of the side plate upper edge portion 7 of the side plate 9 is passed through the pin hole 11 to pass through the side plate upper edge portion 7. Is attached to the outer surface of the side plate, and is stretched in a strip shape so as to extend substantially the entire length of the side plate upper edge portion 7. Further, the upper half portion of the lid locking plate 2 in the attached position is sandwiched together with the side plate upper edge portion 7. The upper edge frame 8 is attached to the upper edge portion 7 of the side plate. The lid locking plate 2 sandwiched between the upper edge frame 8 and the side plate upper edge portion 7 has a pin hole 11
The required stroke that regulates the top dead center and the bottom dead center is slidable up and down, and at the top dead center bottom dead center position, the opening / closing lid 1 and the upper edge frame 8 satisfy the following relative requirements. is doing.

That is, when the lid locking plate 2 is pushed up with a fingertip or the like to the top dead center position with the opening / closing lid 1 in the closed posture as shown in FIG. While entering the upper edge frame 8, the lower half portion 2B of the lid locking plate 2 is joined to the outer surface of the upper end portion of the opening / closing lid 1, and the flexible line 10 is placed in the upper edge frame 8 to be in a rigid plate state. The closed posture of the opening / closing lid 1 is locked and locked by the lid locking plate 2 which has become. When the lid locking plate 2 in the locking lock position is pulled down to the bottom dead center position, the flexible line 10 is moved to the lower end of the upper edge frame 8 and the upper end of the opening / closing lid 1 as shown in FIG. The flexible line 10 is present between the upper edge frame 8 and the flexible line 10 and can be bent, and the locking lock of the opening / closing lid 1 loosens and falls outward to open the opening 6, and the opening 6 is opened. It is designed to function as a collection and removal port for used paper.

In this embodiment, a reinforcing frame 14 is provided on the periphery of the opening 6 and the opening / closing lid 1, and an operating grip 17 is attached to the lid locking plate 2. further,
A waste paper input port 16 is formed in the side plate at a position symmetrical to the opening 6. In addition, 15 in the figure is attached to the upper edge corner of the container, and when stacking the corrugated container,
It is a corner member to which the upper bottom corner is fitted. The above-described embodiment has the above-mentioned action, and the opening lid 1 of the side plate can be repeatedly closed and locked or opened simply by moving the lid locking plate 2 up and down. It is extremely convenient to collect and take out used paper even if the sheets are stacked in multiple stages. The cardboard container of the present invention may use not only the plastic cardboard of the above-mentioned embodiment but also paper cardboard.

[0013]

As described above, in the corrugated cardboard container of the present invention, the lid that can be repeatedly opened and closed can be formed on the side plate, and the opening and closing lid is simply and vertically operated by the lid locking plate to make it durable. Since it can be opened and closed with good property, it has a practical effect that it can be used widely and conveniently as a container for storing and putting in various articles such as papers and clothes.

[Brief description of drawings]

1A and 1B show a corrugated cardboard container according to an embodiment of the present invention, in which FIG. 1A is an overall perspective view thereof, FIG. 1B is a perspective view of a lid locking plate thereof, and FIG. Is a cross-sectional view showing the closed state of the opening / closing lid, and (D) in the figure is a cross-sectional view showing the open state of the opening / closing lid.

[Explanation of symbols]

 1 Open / Close Lid 2 Lid Locking Plate 3 Bottom Plate 4 Peripheral Edge of Bottom Plate 5 Hinge 6 Opening 7 Side Plate Upper Edge 8 Top Edge Frame 9 Side Plate 10 Flexible Line 11 Long Groove 12 Lock Pin 13 Pin Leg 14 Reinforcement Frame 16 Insert Mouth 17 picked pieces

Claims (1)

[Scope of utility model registration request] 1. A corrugated cardboard container in which a peripheral portion of a bottom plate is bent to form a side plate, a part of the side plate is cut off in three directions to form the peripheral portion of the bottom plate at a lower side, and the peripheral portion of the bottom plate is a thin hinge portion. Forming a rectangular open / close lid, and further, at the upper edge of the side plate above the open / close lid, a strip-shaped upper edge frame is provided along the outer surface of the upper edge of the side plate, and the upper edge is formed. Between the outer surface of the frame and the upper end of the side plate, the upper half of the lid locking plate having a flexible line parallel to the upper edge of the side plate is slidably inserted in the vertical direction of the side plate, Further, in the lid locking plate, the flexible line is located between the lower end of the upper edge frame and the upper end of the opening / closing lid at the bottom dead center position, and the flexible line is located at the top dead center position. A stepped bobbin having a structure having a shape that fits in the upper edge frame and is joined to the upper end portion of the opening / closing lid. Container.