JPH09221129A - Container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a container which can be easily folded and expanded and can be applied to any matters to be transported. SOLUTION: A container is formed into a square shape by a bottom plate 1, a front face plate 2, a back face plate 3, right and left side plates 4, 5, and a roof plate 6. Opening/closing doors A and B are provided on the front face plate 2. The support heights of the lower parts of the front face plate 2 and the back face plate 3 having the opening/closing doors A and B are made different from each other by at least a thickness of one plate and are respectively supported axially and rotatably by the bottom plate 1. The remaining opposite right and left side plates 4 and 5 are respectively formed in a manner foldable into two up and down inwardly. The lower parts of the side plates 4 and 5 are respectively supported axially and rotatably by the bottom plate 1 at a common support height which is higher than the support height of the back face plate 3 by a thickness of one plate. The upper parts of the right and left side plates 4 and 5 are respectively supported axially by the roof plate 6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technical field related to a folding structure of a container which is formed into a cubic shape, accommodates a transportation article inside for use in transportation, and is compacted when returned or stored. .

[0002]

2. Description of the Related Art Generally, a container used for air transportation, vehicle transportation, ship transportation, etc. is formed into a cubic shape by a bottom plate, a side plate, and a top plate made of a metal material, etc. It is equipped with a door. Then, some of these containers are provided with a folding structure for reducing the volume when unnecessary. Conventionally, as a folding structure provided in such a container, for example, lower portions of four side plates are rotatably supported on a bottom plate such that their supporting heights differ by the thickness of one side plate. It is known that the top plate can be attached to and detached from the upper part of each side plate.
In this conventional container, remove the top plate from the side plate and
The side plates can be folded by sequentially rotating the side plates to sequentially stack the side plates on the bottom plate. Then, in order to store and transport this container in a folded state, the removed top plate is further stacked on the side plate stacked on the bottom plate and bound with a band or the like. In addition,
To unfold this container, untie the band, remove the top plate, rotate the four side plates one after another to stand up the side plates one after another on the bottom plate, and attach the top plate to the standing side plates. Become.

[0003]

In the above-mentioned conventional container, since the top plate must be attached and detached and the four side plates must be rotated in order, there is a problem that the folding and unfolding work is troublesome. is there. Furthermore, since the side plate and top plate are separated in the folded state, the side plate and top plate are easily deformed and damaged due to the stacking stress of folding or the impact of transportation, and a precise packing volume and packing inner wall are required. There is a problem that it is not suitable for the transportation of such pharmaceuticals and expensive works of art.

An object of the present invention is to provide a container which has been made in consideration of such problems and which can be easily folded and unfolded and adapted to any transportation articles.

[0005]

Means for Solving the Problems The above object is to provide a container in which a bottom plate, a front plate, a rear plate, left and right side plates, and a top plate are formed in a cubic shape, and at least a front door is provided with an opening / closing door. The lower parts of the front plate and the rear plate provided are different from each other in support height by at least the thickness of one plate and rotatably supported on the bottom plate respectively, and the remaining pair of left and right side plates facing each other are supported. Each of the shafts is formed so as to be vertically foldable in two, and the lower parts of the left and right side plates are respectively pivoted to the bottom plate at a common support height that is higher than the support height of the rear plate by the thickness of one plate. This is achieved by supporting and supporting the upper parts of the left and right side plates on the top plate so as to be rotatable. The above object is achieved by providing an auxiliary opening / closing door in a part of the top plate near the front plate in claim 1. The above object is achieved by providing a lock means capable of locking and unlocking the opening / closing door and the auxiliary opening / closing door at the same time. The said purpose is Claims 1-3
In any of the above, the inner surface of the bottom plate, the front plate, the rear plate, the left and right side plates, and the top plate is formed into a smooth surface without unevenness,
This is achieved by forming each plate in a structure in which a reinforcing frame is attached to the outside of the flat plate, and assembling each other by using a connecting plate attached to the reinforcing frame.

[0006]

Embodiments of the container according to the present invention will be described below with reference to the drawings. In this embodiment, a lightweight metal material such as aluminum or duralumin which is formed in a relatively small size and is used for air transportation is shown.

In this embodiment, as shown in FIG. 1, a bottom plate 1, a front plate 2, a rear plate 3, left and right side plates 4, 5 and a top plate 6 are provided.
Each part consisting of is assembled in a cubic shape. The bottom plate 1 is formed in a structure in which a long reinforcing frame 1b is attached in a lattice shape including four sides on the outer side (lower side) of a flat plate 1a in order to have both lightness and load bearing strength. Has been done. Block-shaped legs 7 are secured to the reinforcing frames 1b at the four corners of the bottom plate 1 to secure gaps between the bottom plate 1 and the ground for allowing the forks of a forklift used for cargo handling work to be inserted. There is. In addition, at the four corners of the rectangular flat plate 1a and the reinforcing frame 1b that form the bottom plate 1, the plane shape for connecting the front plate 2, the rear plate 3, the left and right side plates 4, 5 in a staggered manner is an angle. The connection plate 8 is fixed so as to project upward. On the four sides of the flat plate 1a constituting the bottom plate 1, nothing is provided on the front side to which the front plate 2 is connected, and the joint frame 9 is provided on the rear side to which the rear plate 3 is connected.
And a joint frame 9 is fixed to the left and right sides to which the left and right side plates 4 and 5 are connected.

The front plate 2 is similar to the bottom plate 1 in the flat plate 2
a and a reinforcing frame 2b. Further, the front plate 2 includes two open / close doors A, B which are connected to each other by hinges 11 on the left and right of a support frame 10 having an upward U-shape as a whole.
It is constituted by. A small piece-shaped contact plate 12 that is in contact with the front surfaces of the top plate 6 and the support frame 10 to prevent folding inward is fixed to the reinforcing frame 2b of the one opening / closing door A that constitutes the front plate 2. . Further, a long heavy plate 13 for preventing the outward opening is fixed to the reinforcing frame 2b provided on the side of the opening / closing door B constituting the front plate 2 that faces the opening / closing door A. Further, a lock device 14 for locking the opening / closing door B to the front edge of the support frame 10 and the top plate 6 is attached to the other reinforcing frame 2b of the opening / closing door B. This locking device 14, as shown in detail in FIG.
b, a plurality of guides 14a fixed in the vertical direction, a long lock plate 14b inserted through the guides 14a and sliding, and an axis line at the upper end of the lock plate 14b. And the lock pin 14c fixed so as to be orthogonal to the lock plate 14c fixed to the top plate 6.
A box groove-shaped upper lock receiver 14d into which the lock pin 14c is fitted from above by the sliding action of b, and a lower lock in which the lower end of the lock plate 14b is projected from above by the sliding action of the lock plate 14b fixed to the support frame 10. A receptacle 14e, a lock slide hole plate 14f fixed to the lock plate 14b, and a lock lock hole plate 14g fixed to the reinforcing frame 2b and aligned with the lock slide hole plate 14f by sliding the lock plate 14b. Consists of. In addition, both sides of the lower portion of the support frame 10
As shown in detail in FIG. 12, the pin 15 is rotatably supported inward by a pin 15 inserted into the connecting plate 8 fixed to the front corner of the bottom plate 1. In addition, support frame 1
On the upper part of 0, a locking piece 16a formed by the engagement frame 16b of the buckle type latch 16 is fixed.

Like the bottom plate 1 and the front plate 2, the rear plate 3 is formed of a flat plate 3a and a reinforcing frame 3b. The lower side of the rear plate 3 is similar to the front plate 2,
The bottom plate 1 is rotatably supported inward by a pin 15 inserted into the connecting plate 8 fixed to the right and left corners of the bottom plate 1. However, due to the joint frame 9, this shaft fulcrum has a supporting height higher than that of the front plate 2 by the thickness of the shaft fulcrum of the front plate 2. A locking piece 16a is fixed to the outside of the upper portion of the rear plate 3 so that the engaging frame 16b of the buckle-type latch 16 can be engaged and disengaged. In addition, the reinforcing frame 3b at the substantially central portion of the rear side plate 3
A handle bar 17 for fixing a hand during folding and unfolding work is fixed between them.

The left and right side plates 4 and 5 are flat plates 4a and 5a and the reinforcing frame 4 in the same manner as the bottom plate 1, the front plate 2 and the rear plate 3.
It is formed in a structure composed of b and 5b. The left and right side plates 4 and 5 are equally divided in the vertical direction and are connected by a hinge 18 so that they can be folded inward. As shown in detail in FIG. 12, the lower side portions of the left and right side plates 4 and 5 are rotatably supported inward by pins 19 that can be inserted into the connecting plates 8 fixed to the corners of the bottom plate 1. There is. However, the pivot point of the pin 19 is the front plate 2
And the supporting height of the rear plate 3 is increased by the connecting plate 8
At the height of. The front plate 2 and the rear plate 3 are butted against the inner edges of the left and right side plates 4, 5. The connecting plate 8 is provided with an escape notch 8a for avoiding a collision with the rotation base ends of the left and right side plates 4, 5. The front plate 2 (support frame 10),
A locking piece 16a for engaging and disengaging the engaging frame 16b of the buckle type latch 16 fixed to the rear plate 3 is fixed. Further, a shape retention device 20 for preventing the side plates 4 and 5 from being folded in half is attached near the dividing lines of the left and right side plates 4 and 5. As shown in detail in FIGS. 9 and 10, the shape-retaining device 20 includes an operating rod 20a having a V-shaped structure which is slidably inserted in the reinforcing frames 4b and 5b so as to sandwich the dividing line in the vertical direction. A coil spring 20b fitted to the upper portion of the operating rod 20a and elastically pressing the operating rod 20a, and reinforcing frames 4b and 5b.
And a lower end of the operation rod 20a which is vertically cut into the upper end of the operation rod 20 and communicates with the upper end of the slide groove 20c and which is laterally cut into the reinforcing frames 4b and 5b and pulled up. The upper lock groove 20d for locating the upper part above the dividing line and the operating rod 20 in the lock groove 20d.
A bag portion 20e in which a coil spring 20b for elastically pressing a is covered and housed, and an operating rod 2 which is communicated with the lower end of the slide groove 20c and is laterally cut into the reinforcing frames 4b and 5b and pulled down.
The lower lock groove 20f positions the lower end of 0a below the dividing line.

Like the bottom plate 1, the front plate 2, the rear plate 3, and the left and right side plates 4, 5, the top plate 6 is formed of a flat plate 6a and a reinforcing frame 6b. This top plate 6 is 2
It is divided into two parts and connected by a hinge 21, and the rear side top plate portion is fixed to a U-shaped support frame 22, and the front side top plate portion is supported by the support frame 2.
The auxiliary opening / closing door C that can be folded back from 2 to the outside (upper side) is configured. On the reinforcing frames 6b at the four corners of the top plate 6, there are provided leg supports 23 for supporting the legs 7 of other stacked containers provided on the bottom plate 1. Further, angle-shaped connecting plates 24 for connecting the front and rear ends of the left and right side plates 4, 5 are fixed to the four corners of the support frame 22 so as to project downward. The upper portions of the left and right side plates 4 and 5 are rotatably supported inward by a pin 25 inserted in the connecting plate 24, as shown in detail in FIG. The upper outer surface of the support frame 10 of the front plate 2 and the upper side of the rear plate 3 are in contact with the inner surface of the connecting plate 24. Therefore, the front plate 2, the rear plate 3, the left and right side plates 4, 5 are butted against the inside of the top plate 6. The container body D is configured as described above.

In the embodiment of the container body D configured as described above, since no complicated and expensive parts are used and no complicated assembling structure is adopted, the container body D can be manufactured inexpensively and easily. In particular, the bottom plate 1, the front plate 2, the rear plate 3, the left and right side plates 4, 5 and the top plate 6 are assembled by the connecting plates 8 and 24 provided on the outside, and constitute the packing volume of the transported article and the packing inner wall. Since the inner side surface is formed of flat flat plates 1a, 2a, 3a, 4a, 5a, 6a having no protrusions, it is suitable for transporting expensive medicines and expensive works of art in a simple package.

[0013]

[Description of Operation] In the embodiment configured as described above, the container body D is folded by the following operation from the expanded state as shown in FIGS. 2 and 3. First, the engaging frame 16b of the latch 16 of the lateral side plates 4 and 5 engaged with the locking piece 16a of the latch 16 of the front plate 2 (support frame 10) is removed.
Then, the lock device 14 attached to the front plate 2 is unlocked. That is, the locks locked on the lock slide hole plate 14f and the lock fixed hole plate 14g of the lock device 14 are unlocked, the lock plate 14b is slid, and the lock pin 14c from the upper lock receiver 14d. And the lower end of the lock plate 14b is pulled out from the lower lock receiver 14e. Then, as shown in FIG. 5, the front plate 2 and the support frame 10 are integrally rotated to be laminated on the bottom plate 1. The unlocking of the lock device 14 simultaneously acts on both the opening / closing doors A and B of the front plate 2 and the auxiliary opening / closing door C of the top plate 6. Therefore, the work of unlocking the opening / closing doors A and B and the auxiliary opening / closing door C becomes easy. Further, when the front plate 2 and the support frame 10 are rotated, if the front side of the top plate 6 is slightly lifted, the contact plate 12 provided on the front plate 2 and the lock plate 14b of the lock device 14 are provided. The front plate 2 and the support frame 10 can be smoothly rotated by avoiding the collision of the front plate 6 with the top plate 6.
Further, when the lock plate 14b of the lock device 14 is grasped by hand and the front plate 2 is pushed down, the front plate 2 and the support frame 10 can be easily rotated. When the front plate 2 and the support frame 10 are stacked on the bottom plate 1, the rear plate 3, the left and right side plates 4,5, and the top plate 6 are the bottom plates such as the pins 19, 25, the latch 16, and the shape retention device 20. Since it is firmly assembled and held on top of 1, the rear plate 3, the left and right side plates 4, 5, and the top plate 6 do not accidentally collapse. Next, the locking piece 16 of the latch 16 of the rear plate 3
Engaging frame 1 of latch 16 of left and right side plates 4, 5 engaged with a
Remove 6b. Then, as shown in FIG. 5, the rear plate 3 is rotated inward to be laminated on the front plate 2. At this time, if the handle bar 17 is grasped by hand and the rear face plate 3 is pushed down, the rear face plate 3 can be easily rotated. The front plate 2
The rear plate 3 laminated on the above is parallel to the bottom plate 1 and the front plate 2 due to the difference in the supporting height described above. Further, in the state where the rear plate 3 is stacked on the front plate 2, the left and right side plates 4, 5,
Since the top plate 6 is firmly assembled and shaped on the bottom plate 1 by the pins 19, 25, the shape retention device 20, etc., the left and right side plates 4, 5,
The top plate 6 does not accidentally collapse. Next, the side plate 4,
The shape-retaining device 20 attached to 5 is released. That is,
The operating rod 20a of the shape retainer 20 is pushed up along the slide groove 20c to be locked in the upper lock groove 20d, and the coil spring 20b elastically holds the operating rod 20a in the upper lock groove 20d for operation. At the lower end of the rod 20a, the horizontal plate 4,
It is located above the dividing line of 5. Then, as shown in FIG. 6, the top plate 6 is pushed down, the left and right side plates 4, 5 are folded in two in a V shape and laminated on the rear plate 3, and the horizontal plates 4, 5 are formed.
The top plate 6 is further stacked on the above. At this time, since the operation rod 20a of the shape retention device 20 is locked in the upper lock groove 20d by the coil spring 20b, the operation rod 20a does not unexpectedly slide and damage the lateral side plates 4 and 5. The left and right side plates 4, 5 stacked on the rear plate 3
Is parallel to the bottom plate 1, the front plate 2 and the rear plate 3 due to the difference in the supporting height described above. Further, the top plate 6 laminated on the horizontal plates 4, 5 has a bottom plate 1, a front plate 2, a rear plate 3, left and right side plates 4, 5 due to a rotatable shaft supporting structure with the horizontal plates 4, 5. Will be parallel to. As shown in FIG. 7, the folding completed state by the above-described work is a state in which the entire cubic shape is neatly compressed to the bottom plate 1 side in the height direction. When the folded state is tied with a band or the like for storage and transportation, shock resistance is ensured because of the parallel and clean laminated structure and the connection of the top plate 6, the left and right side plates 4, 5 to ensure the integrity. Because of its high resistance and load resistance, the side plates, top plate, etc. will not be deformed, damaged or damaged by the stacking stress of folding or the impact of transportation as in the past. Further, when the folding is completed, the movement of the operating rod 20a of the shape retention device 20 is locked and the coil spring 20b is covered with the bag portion 20e. Therefore, the shape retention device 20 may damage the left and right side plates 4, 5 and the like. Absent. Therefore, the flat plates 1a, 2a, 3a, 4a, 5 which are suitable for transporting expensive medicines and expensive works of art, and which are flat
The inner surface damage of a and 6a is prevented. In order to expand the container main body D in the folded state shown in FIG. 7 to the assembled state shown in FIGS. 2 and 3, the above-mentioned folding operation is reversed. That is, the top plate 6 is pushed up to raise the left and right side plates 4 and 5, and the shape retention device 20 is operated in the reverse direction to move the left and right side plates 4 and 5.
Prevent two folds. Then, the rear plate 3 is erected and the latch 16 is hooked, and the front plate 2 is erected and the latch 16 is hooked to lock the locking device 14. Further, in this embodiment, when the transportation article is housed in the assembled state shown in FIGS. 2 and 3, both the opening / closing doors A and B and the auxiliary opening / closing door C are opened as shown in FIG. As a result, it is possible to expand the space for loading and unloading the transported articles and facilitate the loading and unloading of the transported articles.

[0014]

According to the configuration of the present invention as described above,
The following effects can be obtained. (A) The container according to the present invention is common to each claim, and 2
Since the folding and unfolding can be performed by rotating the left and right side plates and pushing up and pushing down the top plate, there is an effect that the folding and unfolding work is easy. (B) In common with each claim, since it is folded neatly in parallel due to the difference in support height to the bottom plate and the top plate and the two left and right side plates are connected to each other to maintain the integrity, shock resistance Since the front and back plates, left and right side plates, and the top plate will not be deformed or damaged by the stacking stress of folding and the impact of transportation, the packing volume will be as designed. There is an effect that the inner wall of the packaging is maintained and it is possible to cope with the transportation of any transportation article. (C) In common with each claim, it is inexpensive because complicated and expensive parts are not used and a complicated assembly structure is not adopted.
There is an effect that it can be easily manufactured. (D) According to claim 2, since the space for loading and unloading transportation articles can be expanded by the combination of the opening / closing door and the auxiliary opening / closing door, there is an effect that the loading / unloading of transportation articles is facilitated. (E) According to claim 3, since the opening / closing door and the auxiliary opening / closing door can be locked and unlocked at the same time, the opening / closing door and the auxiliary opening / closing door can be locked and unlocked easily. (F) As claimed in claim 4, the flat plate forms the packing volume and the flat inner surface forming the packing inner wall. Therefore, it is suitable for transporting medicines and expensive works of art that require a precise packing volume and packing inner wall. There is a suitable effect.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of a container according to the present invention.

2 is an assembled perspective view of FIG. 1. FIG.

FIG. 3 is a perspective view seen from the back side of FIG.

FIG. 4 is a perspective view showing an operating state of a part of FIG. 2 (opening / closing door, auxiliary opening / closing door).

FIG. 5 is a perspective view showing the folded state of FIG.

FIG. 6 is a perspective view showing a folding intermediate state following FIG.

FIG. 7 is a perspective view showing a completely folded state of FIG.

FIG. 8 is an enlarged perspective view of a main part of FIG.

9 is an enlarged perspective view of another main part of FIG.

10 is a vertical cross-sectional view of FIG.

11 is an enlarged perspective view of another main part of FIG.

FIG. 12 is an enlarged perspective view of another main part of FIG.

[Explanation of symbols]

 1 Bottom plate 1a Flat plate 1b Reinforcing frame 2 Front plate 2a Flat plate 2b Reinforcing frame 3 Rear plate 3a Flat plate 3b Reinforcing frame 4 Left right side plate 4a Flat plate 4b Reinforcing frame 5 Left right side plate 5a Reinforcing frame 5b Flat plate 6 Top plate 6a Flat plate 6b 8 Reinforcing frame 7 Connection plate 14 Lock device 24 Connection plate

Claims (4)

[Claims] 1. A container formed by a bottom plate, a front plate, a rear plate, left and right side plates and a top plate into a cubic shape, and at least a front plate having an opening / closing door, wherein the front plate and the rear plate are provided with opening / closing doors. The lower parts of the left and right side plates are rotatably supported on the bottom plate by making the supporting heights of the plates different from each other by at least the thickness of one plate, and the other pair of left and right side plates facing each other are respectively folded inward vertically into two. The lower parts of the left and right side plates are rotatably supported on the bottom plate at a common supporting height which is higher than the supporting height of the rear plate by the thickness of one plate, and the upper parts of the left and right side plates are formed. A container characterized by rotatably supporting each of the top plates. 2. The container according to claim 1, wherein an auxiliary opening / closing door is provided in a part of the top plate near the front plate. 3. The container according to claim 2, further comprising lock means capable of locking and unlocking the opening / closing door and the auxiliary opening / closing door at the same time. 4. The inner surface of the bottom plate, the front plate, the rear plate, the left and right side plates, and the top plate is formed as a smooth surface without unevenness, and each plate is reinforced on the outer side of the flat plate. A container formed into a structure in which a frame is attached and assembled to each other using a connecting plate attached to a reinforcing frame.