JP2001247188A - Stretchable container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a stretchable container lowered in the center of gravity, excellent in safety, capable of being kept or fed in a state stacked in a multistage fashion and taking no space. SOLUTION: In the stretchable container, a rectangular parallelepiped lower support frame is formed to the lower part of a square cylinder 1 by the erected sections 6 adjacent to the erected sections 3 of four corners, and the crosspieces 4 connecting the erected sections 6 and the upper parts of the erected sections of the lower support frame 9 are inserted in the hollow parts of the erected sections 3 of the square cylinder 1 in a freely slidable manner, and a rectangular chute discharge port forming frame 10 is provided to the lower part in the lower support frame, and the upper ends of the chute forming panels 13 are connected to four crosspieces of the lower end of the square cylinder 1 in a freely foldable manner, and the lower ends of the chute forming panels 13 are supported within the chute discharge port forming frame, and the peripheries of two opposed chute forming panels among four chute forming panels are overlapped with other two opposed chute forming panels.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an extensible container used in the distribution stage of bulk materials such as fertilizers, feeds, food materials, and grains.

[0002]

2. Description of the Related Art Containers are used for transporting bulk materials such as feed, citrus fruits and potatoes. Containers for handling bulk materials such as feed are disclosed in Japanese Patent No. 2756411 and
No. 251946. The structure of the container described in the publication is basically provided with a supply port provided with an opening and closing plate at the top of the square tube, forming an inverted cone as a chute at the lower edge, and at the lower end opening of the inverted cylinder An upright shaped member provided with a sliding opening / closing plate and provided at four corners of a rectangular cylinder is extended below a lower end opening, and this extended portion is connected by a horizontal rod, and a forklift fork insertion space and an insertion fork are connected to the horizontal rod. It has a structure in which an upper surface receiving portion is formed.

The handling method of the container is as follows. At the supply area of bulk materials such as feed, empty containers are placed side by side in the traveling direction on the car carrier, the empty containers are moved below the bulk supply tank, and the open / close plate of the container supply port is opened to supply bulk materials. After the bulk material is dropped and supplied from the tank into the container, the upper supply port is closed with an opening / closing plate. After that, the container is transported by car, the container is supported on the receiving container by a forklift at the transport location, and the lower opening of the container is opened by sliding the sliding opening and closing plate at the bottom of the container in this state, Falling along the inner surface of the inverted spindle,
Supplied in the receiving container.

[0004] The empty containers are once loaded on the ground and then mounted on a car bed, or mounted directly on the car bed and returned to a supply place.

At the supply place, empty containers are accumulated and put on standby, and when used, empty containers are arranged side by side on a car carrier, and bulk materials are supplied according to the above-described procedure, transported to the destination, and received. To supply.

[0006]

The conventional container has a high center of gravity because the lower part of the square tube is an inverted weight tube, and there is a risk that the container may be mounted on a car and rolled over during transportation, resulting in a safety problem. There is. Therefore, there is a disadvantage that the size is limited and only a certain capacity can be obtained.

[0007] Further, since the center of gravity is high, when storing a large number of containers, a two-stage stack is the limit, so that there is a disadvantage that a large storage space is required. Further, the space of the loading space is filled with only a limited number of empty containers, and there is no space for mounting other packages, so that the loading space cannot be used effectively.

Accordingly, the present invention is to provide an extensible container which has a low center of gravity, is excellent in safety, can be stored or transported in multiple stages, and takes up no space.

[0009]

An extendable container according to the present invention is provided such that the upper end of a chute forming plate for forming a chute is foldable at the lower end of a rectangular tube supported so as to be able to move up and down with respect to a lower support frame. It is connected and the lower end is supported by a chute discharge port forming frame provided in the lower support frame.

More specifically, a rectangular plate is formed by extending a wall plate on an upper frame of a rectangular parallelepiped assembled from hollow upright members at four corners and a horizontal rod connecting adjacent upright members. The lower support frame of the rectangular parallelepiped is formed by the upright shape members at the four corners and the horizontal bar connecting the adjacent upright shapes at the lower part of the square tube, and the upper part of each upright shape member of the lower support frame is the four corners of the square tube. Is slidably inserted into the hollow portion of the upright shaped member, and a rectangular chute outlet forming frame is provided below the lower support frame. Chutes are provided at the four horizontal rods at the lower end of the rectangular cylinder, respectively. The upper end of the forming plate is foldably connected, and the lower end of the chute forming plate is supported within the frame for forming a chute outlet, and two opposing chutes of one of the four chute forming plates. The periphery of the forming plate overlaps the other two opposing chute forming plates And wherein the Rukoto.

[0011]

DETAILED DESCRIPTION OF THE INVENTION
In order to raise the square cylinder, a forklift for holding the square cylinder, a fork of a lifting device such as a hoist or a locking member such as a ring or a fork insertion member for locking a square cylinder holding member such as a fork or a hook, or a square cylinder is provided. Connect the tip of the piston rod for lifting the square cylinder to the horizontal rod at the lower end.

It is preferable to provide a stopper that engages with the lower support frame and the square tube so that the square tube does not rise and the chute does not open during transportation or the like.

Further, a roll guided by a roll guide member when the rectangular cylinder comes down is disposed outside one of the two opposing chute forming plates, so that the chute forming plate is smoothly placed. Can be folded.

[0014]

FIG. 1 is a perspective view showing an embodiment of a container according to the present invention, and FIG.
3 is a front view, FIG. 3 is a side view, and FIG. 4 is a plan view.
1 to 3 show a state in which the square cylinder is raised. FIG. 6 is a plan view showing the arrangement of the stopper, and FIG. 7 is a plan view of the stopper frame.

The container of the present invention comprises a square tube 1 for storing loose objects and an inverted pyramid-shaped chute 2 formed below the square tube.

The square tube 1 has hollow upright members 3 at four corners,
A wall plate 5 made of a metal plate, FRP, or the like, around a rectangular parallelepiped upper frame assembled by horizontal bars 4 connecting adjacent upright members 3.
Are lined to form a cylinder. In each of the hollow portions 3a of the uprights 3 at the four corners, the uprights 6 at the four corners of the lower support frame 9 forming the chute 2 are slidably inserted. With this structure, the square tube 1 can be moved up and down freely.

The horizontal rod 4 at the upper end of the rectangular tube 1 is provided with a locking member for locking the rectangular tube holding member of the elevating device for holding the square tube in order to lift the square tube 1. The locking member is
For example, when the lifting device is a forklift, a fork insertion member 7 for inserting a fork is provided, and when the lifting device is a hoist, a ring is provided. Note that the fork insertion member 7 may be provided on the horizontal rod 4 at a lower position of the rectangular cylinder 1 according to the height of the container.

Further, on the upper surface of the square tube 1, there is provided a supply port 1a for supplying bulk materials into the container, and the supply port 1a is covered with a lid so as to be openable and closable. The supply port 1a may be open on the entire surface.

At the lower part of the square tube 1, there are four upright sections 6 at the four corners.
And a horizontal rod 8 connecting the adjacent uprights 6 to form a lower support frame 9 of a rectangular parallelepiped. The upper portions of the uprights 3 are formed in the hollow portions 3 a of the uprights 3 at the four corners of the square tube 1. It is slidably inserted.

On the opposite horizontal rod 8 below the lower support frame,
In order to form the chute discharge port 10a having a square cross section, the chute forming horizontal rods 11 are fixed in parallel at intervals, and the chute discharge rods are formed in parallel with the chute formation horizontal rods 11 spaced apart. A rectangular chute discharge port forming frame 10 to which the vertical rod 12 is fixed is supported. The chute discharge port 10a may be provided with an inclined plate 10b so that the chute discharge port 10a and the supply port of the receiving container can be adjusted.

A roll guide member 15a having a circular cross section for guiding a roll 15 of a chute forming plate 13 to be described later is fixed to the horizontal rod 8.

FIG. 5 is a plan view of the chute. The four horizontal rods 4 at the lower end of the square tube 1 are each provided with a chute forming plate 13.
Is pivotally connected by a hinge 14. 4
Of the two chute forming plates 13, one of the two opposing chute forming plates 13 has a larger area than the other two opposing chute forming plates 13, and the peripheral edge of the other two chute forming plates 13 is opposite to the other opposing chute forming plate 13. It is arranged so as to overlap the two chute forming plates 13.

The inside of each chute forming plate 13 may be attached to the four horizontal rods 4 at the lower end of the square cylinder 1 so that the edges of the rubber sheet 13a overlap each other. Even if a gap is formed in the chute formed by the chute forming plate 13 by providing the rubber sheet 13a on the inside, it is possible to prevent fine loose substances such as powder from leaking from the gap. Further, a rubber sheet may be provided so as to surround the lower support frame 9 from the lower end of the square tube 1 to prevent the fine bulk material from leaking. 1 to 3 for explanation.
Only the horizontal rod 1b for mounting the rubber sheet is shown.

A roll 15 is provided outside the chute forming plate 13.
The chute forming plate 13 may be quickly folded so that the roll 15 is guided by the roll guide member 15a provided on the horizontal rod 8 and moves inward when the rectangular cylinder 1 descends.

6 and 7, a rectangular stopper frame 16 is horizontally slidably disposed on the horizontal rod 8 below the lower support frame. A pair of stopper pieces 17 are provided on both sides of the stopper frame 16. Stopper frame 1
6, the stopper piece 17 is inserted into the hole of the stopper receiver 18 provided on the opposed horizontal rod 4 at the lower end of the rectangular cylinder 1, and the rectangular cylinder 1 is locked to the horizontal rod 8 of the lower support frame. Is done. As a result, the rectangular tube 1 is prevented from rising due to vibration or the like during transportation, and the bulk material is not discharged.

Further, the square tube 1 and the lower support frame are connected by a chain 19 to prevent the square tube 1 from rising too much and falling out of the lower support frame.

Next, a method of using the container of this embodiment will be described. FIG. 8 is a view showing a state where the square tube of the container of the present invention is lowered. As the square cylinder 1 is lowered from the state of FIG. 1 from which the loose materials are discharged while the fork of the forklift or the hook of the hoist is engaged with the fork insertion member 7, each of the chute forming plates 13 becomes a chute forming horizontal rod. 11 and vertical rod 1 for forming chute outlet
The chute forming plate 13 is folded inside the square tube 1 as shown in FIG. Chute forming plate 1
When the roll 15 is provided outside the roll 3, the roll 15 moves along the roll guide member 15a, so that the chute forming plate 13 can be smoothly folded.

When the square cylinder 1 reaches the lower limit, the chute forming plate 13 is leveled by the chute discharge forming frame 10 and the chute discharge port 10a is closed. Next, the stopper piece 17 is inserted into the hole of the stopper receiver 18 by sliding the stopper frame 16 in the horizontal rod 8 below the lower support frame, and the square tube 1 is locked by the horizontal rod 8 of the lower support frame. You.

In this state, the fork of a forklift or a hook of a hoist is hung on the fork insertion member 7 of the horizontal rod 8 of the lower support frame 9, the container is lifted up, mounted side by side on the car carrier, and placed under the bulk supply tank. The container is stopped, the bulk material is dropped from the bulk supply tank into the container from the supply port 1a, and supplied, and then the supply port 1a is covered.

Thereafter, the container is transported by car, and at the transport location, the container is supported on the receiving container by a forklift with the supply port thereof and the chute discharge port 10a of the frame 10 for forming the chute discharge port. After the stopper piece 17 is slid and the stopper piece 17 is removed from the stopper receiver 18 to release the lock, the square cylinder 1 is pulled up with a fork of a forklift, and the chute forming plate 1 is lifted.
3 is gradually opened to form a discharge port, and at the same time, loose objects fall along the inner surface of the chute forming plate 13 and are supplied into the receiving container. After the loose materials have been discharged, the empty container is once unloaded to the ground, and once the fork is removed, the square tube 1 is lowered, and each chute forming plate 13 is pushed upward by the chute forming frame and turned inward. When the square cylinder 1 reaches the lower limit, the chute discharge port a10 is closed. Then, stopper frame 16
After sliding to lock, it is mounted on the car bed.
When the discharging is completed, the empty container may be directly mounted on the bed of the automobile, the fork may be pulled out, and the square tube 1 may be lowered to be automatically folded.

Since the empty container has a box shape, it can be stacked and mounted in several stages, so that other luggage can be loaded and transported in the empty space of the loading platform. In addition, since a plurality of empty containers can be stored in a supply place in a stacked manner, a smaller space is required.

Embodiment 2 FIG. 9 is a front view showing another embodiment of the container of the present invention.
0 is a front view of the state where the square cylinder is lowered to the lower limit. 9 and 10, the same members as those of the first embodiment are denoted by the same reference numerals, and the description thereof will be omitted. This embodiment is different from the first embodiment in that the rectangular cylinder is moved up and down by a cylinder.

Cylinders 20 are erected at four corners of the horizontal rod 8 at the bottom of the lower support frame 9, and the tip of the piston rod 21 is connected to the upper end of the chute forming plate 13 so as to be rotatable. 1 is fixed to the horizontal rod 4 at the lower end. In addition,
The cylinders 20 may be arranged in the upright sections 6 at the four corners of the lower support frame 9. The supply of the fluid to the cylinder 20 employs a known supply method using an automobile engine.

The method of using the container according to the present embodiment is different from the first embodiment in that the rectangular cylinder 1 is lifted and lowered by a fork of a forklift, but is performed by a cylinder 20.
When the square cylinder 1 is pulled up by the cylinder 20, the chute forming plate 13 is gradually opened and the chute discharge port 10a is formed as in the case of the first embodiment, and loose objects are deposited on the inner surface of the chute forming plate 13. And fall into the receiving container.

After the bulk material has been discharged, as in the first embodiment, the empty container is once unloaded onto the ground, and once the fork is removed, the square tube 1 descends and the chute forming plate 13 is automatically folded. It is. That is, each chute forming plate 13 is pushed upward by the chute forming frame 10 and pivots inward, and when the square cylinder 1 reaches the lower limit, the chute discharge port 10a is closed. Or put it directly on the car bed and pull out of the fork, the chute will automatically fold.

In the present embodiment, a container can be transported even in a place without a forklift or a crane, and the cylinder can be driven by an engine or electric power to wholesale the bulk.

Further, the container of the present invention can be used not only for being directly mounted on a fixed receiving container, but also for a bulk vehicle having a storage tank and a carry-out conveyor below the storage tank.

[0038]

According to the present invention, since the box is formed by lowering the square cylinder during conveyance, the center of gravity is lower than before, the stability and safety are excellent, and the size is smaller than before. Because of the size, it is possible to stack several layers.

Also, since the formation and folding of the chute can be automatically performed by raising and lowering the square tube, only the operator who operates the lifting / lowering device can wholesale the bulk materials.

[Brief description of the drawings]

FIG. 1 is a perspective view showing one embodiment of a container of the present invention.

FIG. 2 is a front view of the container of FIG.

FIG. 3 is a side view of the container of FIG. 1;

FIG. 4 is a side view of the container of FIG. 1;

FIG. 5 is a plan view of a chute.

FIG. 6 is a plan view showing an arrangement of stoppers.

FIG. 7 is a plan view of a stopper frame.

FIG. 8 is a view showing a state in which the rectangular tube of the container of the present invention is lowered.

FIG. 9 is a front view showing another embodiment of the container of the present invention.

FIG. 10 is a front view of the container of FIG. 9 in a state where the square tube is lowered to the lower limit.

[Explanation of symbols]

1: square tube, 1a: supply port, 1b: horizontal rod for attaching a rubber sheet, 2: chute, 3: upright shape member, 3a: hollow portion, 4:
Horizontal rod, 5: wall plate, 6: upright shape member, 7: fork insertion member, 8: horizontal rod, 9: lower support frame, 10: frame for forming chute outlet, 10a: chute outlet, 10b: inclined plate , 1
1: lateral rod for forming chute, 12: vertical rod for forming chute outlet, 13: plate for forming chute, 13a: rubber sheet,
14: hinge, 15: roll, 15a: roll guide member, 16: stopper frame, 17: stopper piece, 18:
Stopper receiver, 19: chain, 20: cylinder, 21: piston rod

Claims (6)

[Claims] An upper end of a chute forming plate for forming a chute is foldably connected to a lower end of a rectangular cylinder supported to be able to move up and down with respect to the lower support frame, and a lower end is provided on the lower support frame. An extensible container supported by a chute outlet forming frame. 2. A quadrangular cylinder is formed in a tubular shape by attaching a wall plate to an upper frame of a rectangular parallelepiped assembled with hollow upright shapes at four corners and a horizontal rod connecting adjacent upright shapes. The lower support frame of the rectangular parallelepiped is formed at the lower part of the rectangular support by the upright shape members at the four corners and the horizontal rod connecting the upright shape members adjacent to each other, and the upper part of each upright shape member of the lower support frame is the upright shape at the four corners of the square tube It is slidably inserted into the hollow part of the material, a rectangular chute discharge port forming frame is provided below the lower support frame, and the four horizontal rods at the lower end of the rectangular cylinder are each provided with a chute forming plate. The upper end of the chute is foldably connected, and the lower end of the chute forming plate is supported in the chute outlet forming frame. One of the four chute forming plates is opposed to one of the two chute forming plates. The periphery of the slab overlaps the other two opposing chute forming plates. Expandable container according to claim. 3. The horizontal rod at the upper end of the square cylinder is provided with a locking member for locking a square tube holding member of a lifting device for holding the square tube in order to lift the square tube. Item 3. An extendable container according to item 1 or 2. 4. The extendable container according to claim 1, wherein a tip of a piston rod for pulling up the square tube is connected to a horizontal rod at a lower end of the square tube. 5. A roll which is guided by a roll guide member when the square cylinder comes down, the roll being disposed outside one of the two opposing chute forming plates. The stretchable container according to 2, 3, or 4. 6. The method according to claim 1, wherein stoppers are provided for engaging the lower support frame and the square cylinder with each other.
The stretchable container according to 2, 3, 4 or 5.