JP4227774B2 - Container with canopy opening and closing device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a container provided with a canopy opening / closing device.
[0002]
[Prior art]
A container having a structure that can open and close the canopy may be provided with a device that locks in a closed state so that the container cannot be opened by wind pressure or the like when it is mounted on a railway vehicle or a truck. For example, in a container with a canopy opening / closing device described in Japanese Patent Application Laid-Open No. 2001-39487, a pair of arms is provided on the front and back of the canopy, and a hook is engaged with and disengaged from one of the pair of arms, thereby locking / unlocking It has a structure to do. The pair of hooks are driven from a common operation lever via two wires. The wire is disposed on the side of the container.
[0003]
[Problems to be solved by the invention]
In the conventional container with a canopy opening / closing device as described above, the assembly work is troublesome because the wires are arranged long on the side surface of the container. In addition, when the wire is extended by use, the operation of the pair of hooks cannot be accurately synchronized, and it is not only difficult to operate, but there is a possibility that reliable locking / unlocking cannot be performed.
[0004]
In view of the above-described conventional problems, an object of the present invention is to provide a container with a canopy opening / closing device that can be securely locked / unlocked with a simple structure.
[0005]
[Means for Solving the Problems]
The container with a canopy opening and closing device of the present invention, a container having a canopy that can open and close the upper opening,
An opening and closing device for opening and closing the canopy;
Two locking members for locking the canopy in a closed state, a pair of drive rods connected to each of them, and a lock device having a connecting rod for connecting and interlocking the pair of driving rods,
The lock member and the drive rod are disposed on the upper surface of the container other than the canopy and in front and rear portions of the opening, and
The connecting rod is disposed on a container upper surface other than the canopy and on a side portion of the opening (Claim 1).
In the container with a canopy opening / closing device configured as described above, the lock members are connected and interlocked by a connecting rod provided above the edge of the opening. Therefore, the locking device does not have a detour driving element such as arranging a wire or the like on the side surface of the container, and has a sturdy connection structure using a connection rod.
[0006]
In the container with a canopy opening / closing device (Claim 1), a cover that covers the connecting rod by an inclined top plate part may be provided (Claim 2).
In this case, the cover protects the connecting rod from the load loaded in the container and does not deposit the load.
[0007]
Further, in the container with a canopy opening / closing device (Claim 1), the locking device is provided on one of the left and right sides of the container and has an operation handle whose posture changes according to an operation, and is provided on the other side. It may have an indicator whose posture changes in conjunction (claim 3).
In this case, the locked state or the unlocked state can be visually confirmed by the attitude of the operation handle or the indicator.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
1, 2, 3 and 4 are a plan view, a side view, a front view and a rear view, respectively, of a container with a canopy opening / closing device according to an embodiment of the present invention. 1 and 2, the container 1 is formed in a box shape between four support columns 2 provided on the front, rear, left, and right sides, and a rear door 3 (see FIG. 4) is provided, and an upper opening is provided. A two-piece canopy 4 that can open and close A is provided. The two canopies 4 in the closed state are slightly inclined so as to form the roof of the container.
[0009]
Next, the opening / closing device 5 for the canopy 4 will be described. 1, 3 and 4, the canopy 4 is directly opened and closed by a pair of front and rear arms 6. The arm 6 rotates about a shaft 7 and is connected to the canopy 4 on the tip side. Here, the left and right arms 6 are interlocked by a chain 8 (FIGS. 3 and 4) stretched in the shape of “8”. The front and rear arms 6 are also interlocked via a chain 9 (FIGS. 3 and 4) and a connecting shaft 10 (FIGS. 1, 3 and 4). Accordingly, the two canopies 4 are driven and opened / closed in synchronization by the pair of front and rear arms 6.
A pulley 11 that stretches the chain 8 on the front side of the container 1 is connected to an operation lever 13 via another chain 12 as shown in FIG. Therefore, the canopy 4 can be opened and closed by rotating the operation lever 13.
[0010]
Next, the relationship between the operation of the arm 6 and the opening / closing operation of the canopy 4 will be described in more detail. 5-7 is a figure which shows the canopy 4 and the arm 6 etc. which were seen from the front side of the container 1 (however, illustration of the unnecessary part on description is abbreviate | omitted). As shown in FIG. 5, the arm 6 rotates about a shaft 7 attached to the bracket 14, and is pivotally attached to the canopy 4 by a pin 15 on the rotating tip side. The pair of left and right canopies 4 are in contact with each other via a buffer member and a waterproof seal member (not shown). A bracket 17 is attached to the upper side of the container 1, and a guide roller 18 is rotatably attached to the bracket 17. The outer end of the canopy 4 is supported by this guide roller. Further, an engagement pin 19 is implanted at the outer end of the canopy 4, and this engagement pin 19 is engaged with an engagement groove 17 a provided in the bracket 17.
[0011]
On the other hand, a spring cylinder 21 incorporating a coil spring is pivotally attached to the bracket 20 provided on the upper portion of the container 1. The tip of the piston 21 a of the spring cylinder 21 is connected to one end of the connecting member 23 via the pin 22. The other end of the connecting member 23 is fixed to the arm 6. The connecting member 23 rotates around the shaft 7 integrally with the arm 6. The spring cylinder 21 is similarly provided on one side of the pair of rear arms 6 (see FIG. 1). The urging force by the pair of front and rear spring cylinders 21 when the canopy 4 is in the closed position or the open position is so that the weight of the canopy 4 overcomes the urging force slightly and is stably held in the open position or the closed position. It has been adjusted. A cushion rubber 24 is provided on the side wall of the container 1.
[0012]
The operation of the switchgear configured as described above will be described. First, when the canopy 4 is opened from the closed state, when the operation lever 13 (FIG. 3) is rotated, the arm 6 in FIG. At this time, since the urging force of the spring cylinder 21 acts in the direction in which the arm 6 is raised, the operation load of the operation lever 13 is reduced. When the arm 6 rotates in the standing direction, the inner end of the canopy 4 is lifted and the outer end slides on the guide roller 18 as shown in FIG. Here, when the pins 22 and 7 are arranged in the axial direction of the piston 21 a, the moment of the urging force does not act on the arm 6.
[0013]
When the operation lever 13 is further rotated, as shown in FIG. 7, the arm 6 falls outward and the canopy 4 hangs almost vertically and comes into contact with the cushion rubber 24. Thus, the canopy 4 is fully opened and the opening is fully opened. In this state, the urging force of the spring cylinder 21 acts again in the direction in which the arm 6 is raised, but the weight of the canopy 4 is excellent and stable in the state shown in the figure. The closing operation of the canopy 4 is performed by the reverse operation to the above.
[0014]
Next, a locking device for locking the canopy 4 configured and operated as described above in the closed position will be described.
FIG. 8 is a plan view similar to FIG. However, illustration of a part of the opening / closing device 5 and the canopy 4 already described is omitted, and the members of the lock device 30 are mainly illustrated. 9 and 10 are front views of the locking device 30. FIG. 9 shows a locked state, and FIG. 10 shows a unlocked state. 8 and 9, the lever-type operation handle 31 can be rotated clockwise from the position shown in FIG. 9 with the connecting rod 32 as an axis. As shown in FIG. 8, the connecting rod 32 is disposed above the edge of the opening A along the longitudinal direction of the container 1. As shown in FIGS. 9 and 10, a bell crank 33 is connected to the connecting rod 32, and a hook drive rod 35 is connected to the tip of the bell crank 33 via a pin 34. A connecting member 35 a for connection to the bell crank 33 is provided at the left end of the hook driving rod 35. As shown in FIG. 8, a pair of hook drive rods 35 are provided before and after the opening A, and both are connected to the connecting rod 32. Accordingly, the pair of hook drive rods 35 operate in synchronization with each other.
[0015]
On the other hand, the tip of the hook drive rod 35 is pivotally attached to one end of a hook 37 (lock member) rotatably attached to a support member 36 (FIGS. 9 and 10) attached to the container 1. As the hook drive rod 35 moves, the hook 37 rotates about the pin 38. A coil spring (tensile spring) 39 is stretched between the support member 36 and the hook drive rod 35. The hook 37 can be engaged with and disengaged from the engaging piece 40 welded to the arm 6 by turning. FIG. 12 is a perspective view showing the positional relationship, and the tip of the hook 37 is inserted into and removed from the hole 40 a of the engagement piece 40.
[0016]
On the other hand, in FIGS. 9 and 10, an indicator driving rod 42 is connected near the base of the operation handle 31 via a pin 41. An indicator 43 is pivotally attached to the right end side of the indicator drive rod 42. The indicator 43 rotates around a pin 44 fixed to the column 2. The indicator driving rod 42 and the indicator 43 are provided only on the front side of the container 1 (see FIG. 8).
[0017]
FIG. 11 is an enlarged view around the left connecting rod 32 of FIG. In the figure, a cover 46 covering the connecting rod 32 is attached to a guide plate 45 raised along the edge of the opening. The top 46a of the cover 46 is inclined downward and is provided along the opening A of the container 1 (the hatched portion in FIG. 8).
[0018]
The operation of the locking device 30 configured as described above will be described. When the canopy 4 is opened and closed, the lock is released as shown in FIG. In order to perform the locking operation from this state, the operation handle 31 is rotated counterclockwise about the connecting rod 32. Thereby, the bell crank 33 rotates, and the hook drive rod 35 including the connecting member 35a moves to the left while extending the spring 39. The indicator driving rod 42 also moves to the left. As a result, as shown in FIG. 9, the tip of the hook 37 engages with the engagement piece 40, the operation handle 31 and the indicator 43 change their posture, and the operation handle 31 stands in a slightly inclined state, and the indicator 43 stands almost vertically. At this time, the pin 34 is slightly below the extension of the axis of the hook drive rod 35 to which the urging force of the spring 39 is applied, whereby the bell crank 33 is urged counterclockwise. Therefore, the operation handle 31 is stabilized at the position shown in the figure.
[0019]
Thus, in a state where the engaging pieces 40 are engaged with the pair of front and rear hooks 37 that are interlocked with each other by the connecting rod 32, the direction in which the arm 6 rotates upward due to wind pressure or the like (that is, the canopy 4 opens). The rotation of the arm 6 is prevented even if a force is applied in the direction). Since the arm 6 is interlocked with the left and right, if the rotation of one arm 6 is prevented, the rotation of the other arm 6 is also prevented.
With such a structure using the connecting rod 32, there is no detour driving element for arranging a wire or the like on the side surface of the container 1, and the structure is simple to assemble. In addition, since the connection structure is robust by the connection rod 32, the lock / unlock operation can be reliably performed for many years.
In addition, since the operation handle 31 and the indicator 43 are standing at the same position, it is possible to easily confirm whether the container is in the locked state from the left or right side of the container 1 by visually checking at least one of them.
[0020]
On the contrary, the unlocking is performed by tilting the operation handle 31 clockwise from the state shown in FIG. 9 to the state shown in FIG. The canopy 4 can be opened and closed by unlocking. When the canopy 4 is opened and the load is put into the container 1, the load may drop or come into contact with the edge of the opening. However, the connecting rod 32 is covered with the cover 46 and is not damaged. . Further, since the top plate 46a of the cover 46 is inclined, the load is not deposited.
[0021]
In the above embodiment, the two canopies 4 have a double-open structure, but the same locking device can be applied to a single-open structure in which a single cover or a folded folding cover is opened only on one side. Is possible. Further, in the case of the two-sheet double-opening as described above, the locking device 30 can be provided so as to act on the left and right arms 6.
[0022]
【The invention's effect】
The present invention configured as described above has the following effects.
According to the container with a canopy opening / closing device of claim 1, the lock members are connected and interlocked by the connecting rod provided above the edge of the opening, so that the lock device has a wire or the like on the side surface of the container. There is no detour drive element to be arranged, and the structure is simple to assemble. In addition, since the connection structure is robust by the connection rod, the lock / unlock operation can be performed reliably for many years.
[0023]
According to the container with a canopy opening / closing device of the second aspect, it is possible to protect the connecting rod from the load loaded into the container and to prevent the load from being deposited on the top plate portion.
[0024]
According to the container with a canopy opening / closing device of claim 3, since it can be visually confirmed from the left and right sides of the container whether the locked state or the unlocked state can be visually recognized by the attitude of the operation handle or the indicator. Can be easily confirmed.
[Brief description of the drawings]
FIG. 1 is a plan view of a container with a canopy opening / closing device according to an embodiment of the present invention.
FIG. 2 is a side view of the container with a canopy opening / closing device.
FIG. 3 is a front view of the container with a canopy opening / closing device.
FIG. 4 is a rear view of the container with a canopy opening / closing device.
FIG. 5 is a view showing a canopy, an arm, and the like, as seen from the front side of the container with a canopy opening / closing device, showing a state where the canopy is in a closed position.
FIG. 6 is a diagram showing a canopy, an arm, and the like, as seen from the front side of the container with a canopy opening / closing device, showing a state in which the canopy is being opened (or closed).
FIG. 7 is a view showing a canopy, an arm, and the like as seen from the front side of the container with a canopy opening / closing device, and shows a state in which the canopy is completely opened.
FIG. 8 is a plan view mainly showing members of the locking device, omitting a part of the opening / closing device and the canopy of the container with the canopy opening / closing device.
FIG. 9 is a front view of the locking device, showing a locked state.
FIG. 10 is a rear view of the lock device, showing a state in which the lock is released.
11 is an enlarged view of a part of FIG.
FIG. 12 is a perspective view showing a positional relationship between an engagement piece and a hook in the lock device.
[Explanation of symbols]
1 Container 4 Canopy 5 Opening / Closing Device 30 Locking Device 31 Operation Handle 32 Connecting Rod
35 hook drive rod 37 hook (locking member)
43 Indicator 46 Cover 46a Top plate part A Opening

Claims (3)

A container with a canopy capable of opening and closing the upper opening;
An opening and closing device for opening and closing the canopy;
Two locking members for locking the canopy in a closed state, a pair of driving rods connected to each of them, and a locking device having a connecting rod for connecting and interlocking the pair of driving rods,
The lock member and the drive rod are disposed on the upper surface of the container other than the canopy and in front and rear portions of the opening, and
The container with a canopy opening / closing device, wherein the connecting rod is disposed on a container upper surface other than the canopy and on a side portion of the opening.   The container with a canopy opening / closing device according to claim 1, further comprising a cover that covers the connecting rod by an inclined top plate portion.   The locking device includes an operation handle that is provided on one of the left and right sides of the container and that changes its posture according to an operation, and an indicator that is provided on the other side and changes its posture in conjunction with the operation handle. Item 1. A container with a canopy opening / closing device according to item 1.

Images