JPS5848432B2 - Container coupling device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a container connecting device, and more specifically, to a connecting device that is interposed between both containers to fix both containers so that they do not move when stacking containers one above the other. It is.

Conventionally, this type of connecting device has been constructed by placing the connecting device on top of the lower container, stacking the upper container on top of this, and inserting the engaging portions of the connecting device into the upper and lower engaging holes. The engaging portion was rotated to engage.

In order to rotate this engaging portion, an arm rod is projected outward from the retaining portion, and the arm rod is rotated by being strongly struck sideways.

However, when doing this, it was necessary to tap each one one by one in order to engage them, which was time consuming and a loss in terms of time and economy.

Moreover, in large objects such as shipping containers, the coupling device is located at a very high location, and it required a certain degree of skill to move around the arm levers at such a high position, and it was dangerous to swing a long pole. .

In addition, conventionally there were devices that engaged automatically using a complicated structure, but when used in shipping containers in particular, they were not adopted because they were rusted by salt, making it difficult to expect accurate operation and making it difficult to use them. is the current situation.

The present invention eliminates all of these drawbacks, and is characterized in that it allows for easy connection of containers, and also allows for accurate operation even when rust occurs. .

The following will be explained with reference to the embodiment illustrated in the drawings. FIG. 1 shows a connecting device 3 between an upper container 1 and a lower container 2.
This connecting device 3 is a rotatable combination of a frame 4 and a shaft 7 integrally provided with upper and lower engaging portions 5 and 6, respectively.

The frame body 4 consists of two symmetrical parts 4a and 4b.
The two parts are fixed with bolts 8.

By dividing into two parts in this manner, the shaft rod 7 and the engaging parts 5, 6 can be integrally molded, and high strength against compression and torsion can be maintained.

It is of course possible to separate the shaft rod γ and the engaging portions 5 and 6 into two parts and integrally mold the frame 4, as long as the strength can be obtained.

If you divide the frame 4 into upper and lower parts, there are three parts:
A U-shaped board 9 in the center, a fitting part 11 at the top of the board 9 that fits into the bottom engaging hole 10 of the upper container 1 for positioning, and a fitting part 11 at the bottom of the board 9. and a fitting portion 13 that fits into the upper surface engagement hole 21 of the lower container 2.

A through hole 14 is formed by vertically penetrating the central portion of the disk body 9 and the upper and lower fitting portions IL13.

The upper surface 16 and lower surface 17 of the board 9 are made flat.

An intervening spirit body is interposed between the shaft rod 7 and the frame body 4.

The insert member slides between the shaft 7 and the frame body 4 in the axial direction.

The insert is formed into a circular ring or semicircular ring.

The case where the ring 18 is formed will be explained below.

A locking rod 19 is projected outward from the ring 18, and the locking rod 19 slides in a vertical groove 20 provided in the vertical direction on the side surface of the fitting portion 13.

The tip of the locking rod 19 protrudes from the side surface of the fitting part 13, and when the fitting part 13 is fitted into the engagement hole 21 of the lower container 2, the upper surface of the engagement hole 21 is connected to the locking part 13. It will be installed on rod 19.

The locking rods 19 are made to protrude from both sides of the fitting part 13.

A groove 22 is carved on the surface of the shaft rod 7, and this groove 22 partially includes an oblique groove 23.

A protrusion 24 is provided on the inner surface of the ring 18 and is engaged in the groove 22.

For example, if the groove 22 is made into an annular shape as shown in FIG.
Since the protrusion 24 can be operated in sequence so as to move along this groove, it can be operated without requiring any skill.

In the figure, reference numeral 23 denotes a diagonal groove, which rotates the shaft T when the protrusion 24 moves in this portion.

Note that a groove may be carved on the inner surface of the ring 18 and a protrusion may be formed on the surface of the shaft rod. In this case, it is possible to easily replace the ring with a groove carved with a different shape. Because you can
Various movements can be made.

A cavity 25 in the frame body 4 is provided for the ring 18 and the locking rod 19 to fit into when they slide upward.

Next, the sequence of operations when connecting containers by the connecting device of the present invention will be explained with respect to the groove shown in FIG. 4.

First, the protrusion 24 of the annular ring 18 is placed at the starting point 26 of the groove 22 (first
(rotated position).

At this time, the engaging part 5 overlaps the fitting part 11, and the engaging part 6
is located at a position slightly rotated to the left from the fitting portion 13.

Next, the shaft 7 is turned to the right when viewed from below, and the protrusion 24 is positioned at the second point 27 (second rotation position).

At this time, the engaging part 5 engages with the engaging hole 10 of the upper container 1, and the engaging part 6 comes to a position overlapping with the fitting part 13.

Next, lower the upper container 1 onto the lower container 2.

At this time, the engaging portion 6 is inserted into the engaging hole 21.

When the engaging portion 6 enters the engaging hole 21, the upper surface of the retaining hole 21 comes into contact with the locking rod 19, and subsequently pushes the locking rod 19 upward.

As a result, the protrusion 24 protruding from the inner surface of the ring 18 moves upward, turning the shaft rod 7 to the right, and the engaging portion 6 engages with the engaging hole 21 .

Incidentally, since the engaging portion 6 gradually enters the engaging hole 21 and then engages with it, the upper surface 28 of the engaging portion 6 is preferably formed into an upwardly convex curved surface.

When the protrusion 24 reaches the third point 29 (third rotational position), the shaft stops rotating and the engagement is completed.

To then remove this coupling device, turn the pivot rod 7 to the left and bring the protrusion 24 to the fourth point 30.

If the upper container 1 is lifted in this state, the engaging portion 6 will come off.

At this time, the ring 18 is lowered by its own weight and the protrusion 24 is located at the fifth
Since it is at point 31, turn the shaft rod 7 further to the left and remove the protrusion 2.
4 to the sixth point 32, the engaging portion 5 also comes off, and the coupling device is completely removed.

At this time, the ring 18 descends due to its own weight, and the protrusion 24 is located at the starting point.

In addition to the ring being lowered by its own weight, it may be energized by a spring or the like.

The present invention is thus a device for connecting an upper container and a lower container that each have engagement holes at opposite positions, and the engagement holes of the upper and lower containers are provided on the upper and lower surfaces of the board. A frame is formed by forming upper and lower fitting parts that fit together and restrict rotation, and a shaft rod is provided in the frame by penetrating it vertically, and a shaft rod is attached to the upper end of the shaft rod. An engaging portion is provided which is removably inserted into and does not engage with the engagement hole of the upper container when it is in the first rotation position, and which engages with the engagement hole when it is in the second rotation position and the third rotation position. An engaging portion is provided at the lower end of the rod, which is removable and does not engage with the engaging hole of the lower container when the shaft rod is in the second rotational position, and which engages with the engaging hole when the shaft rod is in the third rotational position. , an intervening body movable up and down with respect to the frame is provided between the frame and the shaft rod, a locking rod is provided on the intervening body to protrude laterally from the lower fitting part, and the lower When the lower fitting part is fitted into the engagement hole of the side container, the locking rod is engaged with the periphery of the engagement hole and the insert is pushed up. One of the protrusions is provided on the circumferential surface of the shaft rod, and the other is provided on the inner surface of the insert body, so that when the insert body slides in the axial direction, the shaft rod is moved from the second rotational position to the third rotational position. Since it is rotated to the rotation position, the shaft rod is rotated after the lower engagement part and the fitting part enter the engagement hole of the lower container, so that reliable operation can be expected.

Moreover, since the shaft rod is rotated by pushing the insert upward, no large force is applied to the shaft rod.
Operates easily.

The present invention has excellent effects as described above.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing how the connecting device is used, FIG. 2 is a perspective view of the connecting device, FIG. 3 is a partially cutaway front view, and FIG. 4 is a front view showing the shape of the groove. 3... Connecting device, 4... Frame, 5, 6
...Engagement part, 7...Axle rod, 18...
... Circular ring, 19 ... Locking rod, 22 ...
·groove.

Claims (1)

[Claims] 1 A device for connecting an upper container and a lower container, each having engaging holes at opposing positions, and having holes on the upper and lower surfaces of the board that fit into the engaging holes of the upper and lower containers. The upper and lower fitting portions that regulate rotation are formed into a frame body, and a shaft rod is provided vertically through the frame body, and the shaft rod is at a first rotation position at the upper end of the shaft rod. An engaging portion is provided at the lower end of the shaft rod, and is provided with an engaging portion that is removably inserted and does not engage with the engaging hole of the upper container at a certain time, but engages with the engaging hole when it is in the second rotation position and the third rotation position, an engaging portion is provided that is removably inserted into and does not engage with the engagement hole of the lower container when the shaft rod is in the second rotational position, and that engages with the engagement hole when the shaft rod is in the third rotational position; An insert that can move up and down with respect to the frame is provided between the axle and the shaft rod, and a locking rod is provided on the insert that projects laterally from the lower fitting part, and the locking rod is provided on the insert to project laterally from the lower fitting part. When the lower fitting part is fitted into the engagement hole, the locking rod is locked to the periphery of the engagement hole and the insert is pushed up. one of them is provided on the circumferential surface of the shaft rod and the other is provided on the inner surface of the insert body, and the shaft rod is moved from the second rotation position to the third rotation position by sliding the insert body in the axial direction. A container connecting device that rotates.