JPS6366750B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a container connecting device that interposes between upper and lower containers and connects both containers when the containers are stacked one above the other.

(Prior Art) As a conventional container coupling device, the container coupling device is placed on the lower container, the upper container is stacked on top of the container coupling device, and the engaging portion of the container coupling device is inserted into the engagement hole of the upper and lower containers. Some devices have a structure in which the engaging portion is rotated to engage after being inserted. Then, to rotate the engaging portion,
An arm rod is made to protrude outward from the engaging portion, and the arm rod is rotated by being strongly struck sideways.

Furthermore, as a container coupling device, the applicant has filed an application for a container coupling device according to Japanese Patent Publication No. 1983-48432. The container connecting device according to Japanese Patent Publication No. 58-48432 has a diagonal groove formed in the shaft rod, a ring inserted between the inner surface of the main body and the shaft rod, and a protrusion extending inward from the ring. The locking rods are respectively protruded, the protrusions are engaged with the oblique grooves, and the locking rods are locked with the peripheral edge of the engagement hole of the container, so that the container can be automatically engaged.

(Problem to be Solved by the Invention) However, in the former case, each arm rod must be tapped one by one in order to engage the engaging portions, which is laborious and time consuming. There was a loss both physically and financially.

In addition, in the latter case, the arm rod and locking rod protrude, so there are many protruding parts.

(Means for Solving the Problems) The present invention eliminates the drawbacks of the prior art and aims to provide another means that can be automatically engaged. An upper fitting part is formed on the lower surface of the main body to position the main body by fitting into the engagement hole of the lower container. , a main rod passing through both fitting portions is rotatably provided on the main body, and an upper engaging portion is provided at the upper end of the main rod.
A lower engaging portion is provided at each of the lower ends, and when the main shaft rod is in the first rotation position, the lower engaging portion is aligned with the lower fitting portion and can be freely inserted into and removed from the engaging hole of the container, When the main shaft lever is in the second rotational position, the lower engaging part faces in a direction intersecting the lower fitting part and engages with the engaging hole of the container, and the lower engaging part engages with the engaging hole of the container. The shape is forcibly rotated to the first rotation position when the container is inserted into the engagement hole in the second rotation position and pressed, and a drive shaft lever having a rotation transmission means is provided between the main shaft lever and the main shaft lever. , the drive shaft rod is provided with an arm rod that protrudes outside the main body, the arm rod is rotatable between a release position and an engagement position, and when the arm rod is in the release position, the main shaft rod rotates in the first rotation. position, and when the arm rod is rotated to the engaged position, the main shaft rod rotates to the second rotational position, and when the arm rod is stopped in the engaged position, the main shaft rod can freely rotate relative to the drive shaft rod. A sliding hole is provided in the main body, an elastic body is slidably provided in the sliding hole, the proximal end of the elastic body is fixed to the main shaft lever, and the elastic body is connected to the arm lever via an interlocking means. A stopper member is provided, and the stopper member is characterized in that it locks the tip of the projectile body when the arm rod is in the engagement position.

(Function) Since the present invention operates as described above, when the drive shaft lever is rotated by the arm lever and the upper engaging portion is placed in the intermediate rotation position, the upper engaging portion can be freely inserted into and removed from the engaging hole of the upper container. In this state, insert it into the engagement hole of the upper container and turn the arm rod to rotate it to the engagement position. When the arm rod is rotated to the engagement position, the main shaft lever is in the second rotation position, the upper engagement portion engages with the engagement hole of the upper container, and the stopper member provided on the arm lever via the interlocking means is engaged. Lock the tip of the projectile.
Further, the main shaft rod is rotatable relative to the drive shaft rod, but remains at the second rotational position due to the elastic force of the elastic body.

In this state, lift the upper container and place it on the lower container. Since the main shaft rod is in the second rotational position, the lower engagement part intersects with the engagement hole of the lower container, but when the weight of the upper container is added, the lower engagement part moves from the second rotational position to the engagement hole of the lower container. It is forcibly rotated to the one rotation position and inserted into the engagement hole of the lower container. At this time, the tip of the elastic body remains locked by the stopper member, so when it is inserted and completely fitted, the main shaft rod is moved from the first rotational position to the first rotation position by the elastic restoring force of the elastic body. The lower engaging portion is rotated to the second rotation position and engages with the engaging hole of the lower container.

Next, when removing, turn the arm rod to the release position, the stopper member will be removed from the tip of the bullet, the main shaft rod will be rotated to the first rotation position, and the lower engaging part and the lower fitting will be rotated. The mating portions match and can be inserted into and removed from the engagement hole of the lower container.

(Example) Next, an example of the present invention will be described based on the drawings.

FIG. 1 shows a state in which a container connecting device 3 is interposed between an upper container 1 and a lower container 2, and the structure of the container connecting device 3 is shown in FIGS.

The container coupling device 3 is configured by rotatably combining a main body 4 and a main shaft 7 having an upper engagement portion 5 and a lower engagement portion 6 above and below.

The main body 4 has a flat upper surface 4a and a lower surface 4b, and is provided with an upper fitting part 8 and a lower fitting part 9, respectively. Upper fitting part 8
is fitted into the engagement hole 10 of the upper container 1 to position the main body 4 with respect to the upper container 1, while the lower fitting part 9 is fitted into the engagement hole 10 of the lower container 2.
1 to perform a positioning action with respect to the lower container 2 of the main body 4.
It has a planar shape and height corresponding to 0 and 11. The main body 4 has a through hole 12 that connects both the fitting parts 8,
The main rod 7 is rotatably provided on the central portion of the rod 9 vertically passing through it. The main body 4 has a divided structure that can be divided into left and right parts at the left and right center 14, and both divided parts 13a and 13b are integrally fixed by fasteners 40 such as bolts. Note that the main body may be integrated and the shaft rod may be divided.

The upper engaging part 5 engages with the engaging hole 10 of the upper container 1, and has a planar shape corresponding to the upper engaging part 8, and the upper surface of the upper engaging part 8 as the main shaft rod 7 rotates. 8a so as to slide and rotate. The upper engaging part 5 has a main shaft 7 which is in a first rotational position A (the position shown in FIG. 9) and a second rotational position B (the first rotational position).
(position shown in Figure 1) and intermediate rotational position C (position shown in Figure 10)
When it is in the upper container, it is removable and does not engage with the engagement hole 10 of the upper container, whereas when it is in the first rotation position A and the second rotation position B, it is adapted to engage with the engagement hole 10.

The lower engagement part 6 engages with the engagement hole 11 of the lower container 2, and has a planar shape corresponding to the lower engagement part 9, and as the main shaft rod 7 rotates, the lower engagement part 6 engages with the engagement hole 11 of the lower container 2. It is provided so as to slide and rotate on the lower surface 9a of the portion 9. When the main shaft rod 7 is in the first rotational position A (the position shown in FIG. 9), the lower engaging part 6 is aligned with the lower engaging part and is removably engaged with the engaging hole 11 of the lower container. The main shaft rod is adapted to engage with the engagement hole 11 when it is in the second rotational position B (the position shown in FIG. 11).

Further, the cone portion 6a at the tip of the lower engaging portion 6 is
When inserted into the engagement hole 11, the main shaft rod 7 is formed in a shape that allows smooth insertion and forcibly rotates the main shaft rod 7. That is, the cone portion 6a at the tip of the lower engaging portion 6 has a tapered surface that tapers from the base end to the tip end in the front and back (longitudinal direction), assuming that the front side in FIG. 3 is the front and the rear side is the back. slope 6
1, 62, and a right downward slope 65 is formed in the rear approximately half portion, which slopes from the left side base end 63 to the right side tip 64, and conversely, the right side base is formed in the front approximately half portion. From the end 66 to the left side tip 6
A left downward slope 68 is formed which slopes toward 7, and the cone portion 6a has an axially symmetrical shape.

Then, when the lower engaging part 6 is inserted into the engaging hole 11 from above and pressed while the main shaft rod 7 is in the second rotation position, the cone part 6a at the tip of the lower engaging part 6 is inserted into the engaging hole 11. guided in the direction of arrow X (Fig. 11)
The rotation position A is rotated to a first rotation position A.

In the embodiment, the upper engaging part 5 and the lower engaging part 6 are in a twisted relationship, and the main shaft 7 is connected to the first
When set to rotational position A, the upper engaging portion 5 is connected to the engaging hole 1.
0, and the lower engaging part 6 is in a position where it can be freely inserted into and removed from the engaging hole 11, but the upper engaging part 5 and the lower engaging part 6 are formed in a parallel state. , the upper engaging part 5 and the lower engaging part 6 are simultaneously connected to the engaging holes 10 and 11.
You may also make it so that it comes off. At this time, when the upper container is lifted with the arm rod in the release position, the container coupling device 3 does not follow the upper container 1 and remains on the lower container 2.

Further, inside the main body 4, an operation space 15 is formed in the central part, a sliding hole 16 is formed so as to surround the main shaft rod 7, and a guide hole 17 is formed.
are formed to connect the left and right sides of the sliding hole 16, forming a substantially A-shape.

A drive shaft lever 18 is provided in the operation space 15 in line with the main shaft lever 7, and an arm lever 19 that is rotatably operated is provided on the drive shaft lever. The drive shaft rod 18 is
It is rotatably supported on the main body 4. The arm rod 19 is rotatable between a release position D (the position shown in FIG. 9) and an engagement position E (the position shown in FIG. 1).

A rotation transmission means is provided between the main shaft rod 7 and the drive shaft rod 18. The rotation transmission means is the drive shaft rod 1
8 is provided with a driving gear 18a, and the main shaft lever 7 is provided with a driven gear 7a. The drive gear 18a is a gear having a partially toothless portion 18b, and the arm rod 19
When the arm rod 19 is in the engagement position E, the driven gear 7a is not engaged and rotates freely. Also, armrest 1
9 from the release position D to the engagement position E, the main shaft rod 7 is rotated from the first rotation position A to the second rotation position B.

A bullet body 22 is slidably provided in the sliding hole 16, and a lock confirmation member 23 is attached to the bullet body 22.
is inserted. The resilient body 22 cooperates with a stopper member 24 to be described later to resiliently bias the main shaft rod 7 from the first rotational position A to the second rotational position B. It is supported and fixed to the main shaft 7, and a slide member 26 is attached to the tip 22b. The slide member 2
6 has a short tube shape with a rectangular cross section, and has an insertion hole 26a inside and locking grooves 2 on both upper and lower surfaces.
7 is provided, and the locking groove 27 has a relief portion 27a formed therein. The slide member 26 is capable of sliding together with the resilient body 22 within the slide hole 16 as the main shaft lever 7 rotates.

The lock confirmation member 23 is for confirming the locked state of the coupling device 3, and is made of a flexible rod-shaped material, and slides through the inside of the resilient body 22 and the insertion hole 26a of the slide member 26. It extends over substantially the entire length of the moving hole 16, and a central portion 23a is fixed to the support pin 25. The lock confirmation member 23 has left and right end portions 23b,
23c protrudes from both end openings 16a, 16b of the sliding hole 16 as the main shaft lever 7 rotates, and the left end 23
When b protrudes, an automatic lock state is displayed, and when the right end portion 23c protrudes, a manual lock state is displayed. Note that the openings 16a and 16b at both ends are covered with lids 28 and 29, and insertion holes 28a and 29a for the lock confirmation member 23 are provided in these, respectively.

The stopper member 24 is slidably housed in the guide hole 17 . The stopper member 24 has both end portions 24a and 24b formed into a fork shape consisting of bifurcated claws 30 and 30, and has an insertion hole 24c in the center, through which the arm rod 19 is inserted. When the arm rod 19 is in the release position, the stopper member 24 is at the right end and the slide member 26 is movable within the sliding hole 16. On the other hand, when the arm rod 19 is in the engagement position, the main shaft The locking groove 2 of the slide member 26 moved by the rotation of the rod 7
7 to lock and fix the slide member 26,
The tip of the projectile body 22 is kept in a fixed state.

Next, the operating procedure for connecting the containers 1 and 2 using the container connecting device 3 will be explained.

(i) Move the arm rod 19 of the container coupling device 3 to the release position D.
and the engagement position E to bring the main shaft lever 7 to an intermediate rotational position C. At this time, the upper engaging portion 5
overlaps with the upper fitting part 8.

(ii) In this state, connect the upper engaging part 5 to the upper container 1.
into the engagement hole 10, and rotate the arm rod 19 to the engagement position E. Then, the drive gear 18a
While the driven gear 7a meshes with the driven gear 7a, the main shaft rod 7 is rotated to the second rotation position B, and the upper engagement portion 5 engages with the engagement hole 10 (see FIG. 11). At this time, the slide member 26 and the lock confirmation member 23 move in the counterclockwise direction Y (FIG. 9), the slide member 26 is supported and fixed by the stopper member 24, and the tip of the elastic body 22 is fixed. At the same time, the left end portion 23b of the lock confirmation member 23 protrudes from the main body 4. Further, the driven gear 7a is a toothless portion 18 of the drive gear 18a.
b, and can rotate freely.

(iii) Place the upper container 1 on the lower container 2. Then, the lower engaging part 6 is inserted into the engaging hole 11 of the lower container 2 due to the weight of the container 1, and at this time, the cone part 6 of the lower engaging part 6 is inserted into the engaging hole 11 of the lower engaging part 6.
a is guided into the engagement hole 11, and the main shaft 7 is rotated in the clockwise direction X (see Fig. 11) while stretching the elastic body 22 against the elastic force of the elastic body 22. , the left end 23b of the lock confirmation member 23 retracts into the main body 4.

(iv) By the above operation, the lower engaging part 6 is connected to the engaging hole 11.
When inserted, the main shaft 7 rotates to the first rotation position (Fig. 12), and when it is further inserted and completely inserted, the lower engaging part 6 is guided by the engaging hole 11. It is released and can be rotated freely. In other words, after the main shaft rod 7 has rotated to the first rotational position A, it is then rotated in the opposite direction Y by the restoring force of the projectile body 22, and returned to the second rotational position B, where it is engaged with the lower side. The mating portion 6 engages with the engagement hole 11. Then, the left end portion 23 of the lock confirmation member 23
b protrudes from the main body 4 to indicate that it is in the automatic lock state.

(v) To release the automatic lock state, strike the arm rod 19 with a stick or the like to rotate it from the engagement position E to the release position D.

(vi) When the arm rod 19 is rotated toward the release position, the stopper member 24 moves to the right and is released from the locked state with the slide member 26, and the drive gear 18a
meshes with the driven gear 7a, and the main shaft rod 7 rotates. When the arm rod 19 is brought to the release position D, the main shaft rod 7 returns to the first rotational position A. At this time, the lower engaging portion 6 can be inserted into and removed from the engaging hole 11 of the lower container. In addition, in this embodiment, the upper engaging part 5 engages with the engaging hole 10 of the upper container, so when the upper container is lifted up, the coupling device is lifted together, and after lowering the container onto land, the upper engaging part 5 is engaged with the engaging hole 10 of the upper container. and remove the coupling device.

(vii) In addition, in this embodiment, in the operation (iv) above, if the projectile body 22 fails for some reason and does not operate, and the lower engaging part 6 remains at the first rotational position A. Left end 23b of lock confirmation member 23
It is found that the lock does not protrude from the main body 4 and is not in the automatic lock state. In this case, armrest 19
is rotated to the release position D by hitting with a stick or the like, and the main shaft lever 7 is rotated from the first rotation position A to the second rotation position B and the opposite direction G to the locked state. In addition, in this manually locked state, the main spindle 7 is rotated to a position opposite to the second rotation position B with the first rotation position A as a boundary, and at this time, the right end portion 23c of the lock confirmation member 23 protrudes from the main body 4. , indicates that the device is in manual lock state.

(viii) To release the manual lock state, rotate the arm rod 19 from the release position D to the engagement position E using a rod or the like.

(Effects of the Invention) According to the present invention, the engaging operation of the engaging portion of the container can be performed by placing the upper container on the lower container while the container connecting device is engaged with the upper container. It's just the armrest.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing the state of use of an embodiment of the connecting device of the present invention, FIG. 2 is a plan view of the connecting device, and FIG.
The figure is a front view, Figure 4 is a side view, Figure 5 is a bottom view,
FIG. 6 is a perspective view seen from below, FIG. 7 is a sectional view taken along the line -- in FIG. 1... Upper container, 2... Lower container, 3
...Container coupling device, 4...Main body, 4a...Top surface, 4b...Bottom surface, 5...Upper engaging part, 6...Lower engaging part, 7... Main shaft lever, 8... Upper fitting Part, 9
...Lower fitting part, 10, 11...Engagement hole, 19...
...arm stick, 22...bullet fired.

Claims (1)

[Claims] 1. A container connecting device for connecting an upper container and a lower container each having engaging holes at opposite positions, the device comprising: a container connecting device that connects an upper container and a lower container, each having an engaging hole in the upper container on the upper surface of the main body; An upper fitting part is formed to position the main body, a lower fitting part is formed on the lower surface of the main body to fit into the engagement hole of the lower container to position the main body, and a main shaft passes through both fitting parts. A rod is rotatably provided on the main body, an upper engaging part is provided at the upper end of the main shaft rod, and a lower engaging part is provided at the lower end, and when the main shaft rod is in the first rotation position, the lower engaging part is The lower engaging part is aligned with the lower fitting part and can be freely inserted into and removed from the engaging hole of the container, and when the main shaft rod is in the second rotation position, the lower engaging part faces in a direction that intersects with the lower fitting part. , engages with the engagement hole of the container, and the lower engagement part is forcibly rotated to the first rotation position when inserted and pressed into the engagement hole of the container with the main shaft in the second rotation position. A drive shaft rod having a rotation transmission means is provided between the drive shaft rod and the main shaft rod, an arm rod is provided on the drive shaft rod that protrudes outside the main body, and the arm rod is located between the release position and the engagement position. is rotatable, and when the arm rod is in the release position, the main shaft rod is in the first rotation position, and when the arm rod is rotated to the engagement position, the main shaft rod is rotated to the second rotation position, and the arm rod is engaged. When the main shaft lever is stopped in the matching position, the main shaft lever can freely rotate relative to the drive shaft lever, and a sliding hole is provided in the main body, and a resilient body is slidably provided in the sliding hole. The proximal end of the elastic body is fixed to the main shaft rod, and a stopper member is provided on the arm lever via interlocking means, and the stopper member locks the tip of the elastic body when the arm lever is in the engagement position. A container coupling device characterized by: