JPH0563592B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an improvement in a locking device for a door device, such as, for example, a container door device for a cargo truck, and in particular a locking device of the type using a padlock.

[Conventional technology]

5 to 8 show conventional door locking devices, FIG. 5 is a rear view of a cargo truck equipped with such a locking device, FIG. 6 is a front view of the locking device shown in FIG. 5, and FIG. The figure is the left side view of Figure 6, and Figure 8 is the left side view of Figure 5.
FIG.

In the figure, 1 is a container of a cargo truck that is permanently fixed to the cargo truck, and 2 is a door device installed at the rear of the container.
1 , 202 and a frame 203 surrounding it, and each door 201 , 202 is hinged to the frame 203 by a hinge 204 . 5 is door 20
1 to the frame 203, and 501 is rotatably attached to the door 201 by a bearing 502 between a locked position shown by a solid line in FIG. 8 and an unlocked position shown by a two-dot chain line. The attached rod-shaped locking member 503 is an operating handle pivotally connected to the locking member 501 by a pin 504, and the operating handle 503 allows the locking member 501 to be moved between the locked position and the unlocked position. It is now possible to operate the 505 is a board fixed to the door 202 by suitable means such as screws 506; 507 is a board 50;
A receiver 508 is fixed to the board 505 by a suitable means such as welding and receives the operating handle 503 in the locked position, and is pivotally connected to the base plate 505 by a pin 509, and is shown by the solid line in FIG. 6 and in FIG. As shown, the operating handle 50 is attached to the receiver 507.
The holding member is rotatable between a holding position in which the handle 503 is held in the receiver 507 and a release position in which it is separated from the receiver 507 and releases the operating handle 503, as shown by the two-dot chain line in FIG. Receiver 507 and holding member 5
08 are formed with holes 510 and 511 so as to align with each other at the holding position. 51
Reference numeral 2 denotes a padlock, and the holding member 508 is locked in its holding position by passing its latch 513 through the holes 510 and 511 and locking it. Note that 514 is a case for the padlock 512, and a locking mechanism (not shown) is housed inside the case. Reference numeral 515 designates a pivot shaft portion of the latch 513 that is pivotally supported within the case 514, and reference numeral 516 designates a locking shaft portion that enters a latch insertion hole (not shown) in the case when the lock is locked and exits from the latch insertion hole when the lock is unlocked.

Next, referring to FIG. 8, 517 is frame 2.
03 and holds the locking member 501 in its locked position. The lower end 518 of the locking member 501 has a flat shape for locking with the locking tool 517, and the locking tool 517 has a flat lower end 518.
The cylindrical member 520 has an opening 519 slightly larger than the short width W of the cylindrical member 520. This cylindrical member 5
The inner diameter of 20 is slightly larger than the long width L of the flat lower end 518. Note that the locking member 501
The upper end is also made into a flat shape like the lower end 518, and a locking tool 517 similar to that described above is fixed to the upper end to the frame 203.

Next, the operation of the locking device 5 will be explained. In addition, in FIG. 7, the locking member 5 is shown for simplification of the drawing.
01 is omitted from illustration. 5 to 8 all show a state in which the locking member 501 is in the locked position, the operating handle 503 is housed in the receiver 507, and the holding member 508 is locked in the holding position with the padlock 512. . In the illustrated state, the flat lower end 518 and flat upper end of the locking member 501 cannot be removed from the locking member 517, and the operating handle 503 is attached to the holding member 508 and the padlock 51.
Since it is held in the receiver 507 by 2,
The operating handle 503 will not pop out of the support 507 due to vibrations when the cargo truck is running, and the operating handle 503 will not pop out unless the padlock 512 is unlocked.
Since the door 201 cannot be operated, the door 201 remains closed, and the door 202 closes at the joint with the door 201.
1, this also remains closed, preventing theft when the vehicle is parked or parked. To unlock the locking device 5 for unloading, first unlock the padlock 512 and remove it from the receiver 507 and the holding member 508, then remove the holding member 508 from the sixth
It is rotated to the release position away from the receiver 507 as shown by the two-dot chain line in the figure. In this state, the operating handle 503 is also pulled out from the receiver 507 as shown by the two-dot chain line in FIG. 6, and the locking member 501 is moved 90 degrees in the direction shown by the arrow 521 in FIGS. ° Rotate. As a result, the flat lower end 518 and the similar upper end of the locking member 501 rotate to the position shown by the two-dot chain line in FIG. The flattened upper end can exit the lock 517 through the opening 519 of the lock 517 to open the door 201, which releases the door 202 so that it can be opened.

Conversely, to close and lock doors 201 and 202,
First, the door 202 is closed, and then the door 201 is closed from above. At this time, the flat lower end 518 and flat upper end of the locking member 501 pass through the opening 519 to the locking tool 517.
Go inside. Next, the locking member 501 is rotated by 90° in the opposite direction to the arrow 521 using the operating handle 503.
Rotate to lock the flattened lower end 518 and flattened upper end into the catch 517. Next, the operation handle 503
into the receiver 507, and place the holding member 508 into the receiver 5.
07 move up and attach the latch 5 to the holes 510 and 511.
13 and lock the padlock 512.

FIG. 9 shows another type of conventional door locking device. In the figure, 205 is a shutter door that is rolled up and lowered, and 501A is a locking member corresponding to 501 in FIGS. 5 to 8, which is hook-shaped and is fixed to the operating handle 503. ing. 517A is a locking device corresponding to 517 in FIGS. 5 to 8, but in this case it is in the form of a pin provided in a recess 522 in the frame 203, and the locking member 501A is attached to the operating handle. 503 into the recess 522, it straddles around the locking tool 517A, and the shutter door 2
05 upward movement and therefore also shutter door 2
This prevents the door of 05 from opening. The fact that the receiver 507 and the holding member 508 are locked with a padlock 512 is the same as in FIGS. 5 to 8. Further, since the operation of the locking device 5 is the same as that shown in FIGS. 5 to 8, the explanation thereof will be omitted.

[Problem that the invention seeks to solve]

The conventional locking device is constructed as described above, and the final locking is performed using the padlock 512. However, when unlocking the lock, the padlock 512 must be removed from the locking device 5 and held in the possession, especially for cargo trucks. In the case of a container, the driver needs to carry it in his pocket, etc., and there are problems such as losing the padlock and being unable to lock it again, or having to prepare a spare padlock. It was hot.

The present invention was made in order to solve the problems of the conventional ones, and an object of the present invention is to provide a locking device for a door device that allows the locking device to be unlocked without removing the padlock from the locking device. It is something to do.

[Means for solving problems]

In the locking device for a door device according to the present invention, the case of the padlock is fixed to the holding member, the holding member is pivoted by the pivot shaft of the latch of the padlock, and the locking shaft of the latch is set at the holding position of the holding member. It is fixed to the door device so as to face the latch insertion hole of the case.

[Effect]

In the present invention, by pushing the holding member in the holding position along the pivot shaft of the latch of the padlock, the locking shaft of the padlock enters the latch insertion hole of the case and is locked.

[Embodiments of the invention]

An embodiment of the present invention will be described below with reference to FIGS. 1 and 2. FIG. This embodiment is shown in Figures 5 to 8.
This device corresponds to the conventional locking device shown in the figure, and FIG. 1 is a front view of the main parts of the locking device, and FIG. 2 is a left side view of FIG. 1. are given the same reference numerals and their explanation will be omitted.
In the figure, 508A is a holding member corresponding to 508 of the conventional one, and this holding member 508A
A notch 523 corresponding to the case 514 of the padlock 512 is formed in the padlock 512, and the case 514 is fixed within this notch 523 by appropriate means such as welding. 513A is a latch corresponding to 513 of the conventional one, and 515A is a pivot shaft of the latch 513A of the padlock 512 corresponding to 515 of the conventional one, which also serves as the pin 509 of the conventional one, and is welded to the board 505 as appropriate. is fixed by means of 516A is a locking shaft portion of a latch 513A of a padlock 512 corresponding to the conventional padlock 516, and this is also attached to the base plate 505 by an appropriate means such as welding.
is welded to. The locking shaft portion 516A is disposed at a position facing the latch insertion hole 524 of the case 514 in the holding position of the holding member 508. 52
5 is the hole for the padlock.

Therefore, in order to hold the operating handle 503 in the receiver 507, the holding member 508A is positioned at the holding position shown by the solid line in FIG.
When pressed in the direction indicated by 6 to the position indicated by the two-dot chain line, the latch insertion hole 524 of the padlock 512 is inserted into the locking shaft portion 516.
A and the padlock 512 is locked. In this way, the case 514 of the padlock 512 is attached to the holding member 508.
A, and the padlock 512 can be locked and unlocked while the latch pivot shaft 515A and lock shaft 516A are both fixed to the board 505. The other operations of the locking device 5 are the same as those described with respect to FIGS. 5 to 8.

Another embodiment of the invention is shown in FIGS. 3 and 4. This embodiment corresponds to the conventional one shown in FIG. 9, with FIG. 3 being a front view and FIG. 4 being a right side view. In this embodiment, the pin-shaped locking tool 517A is located in the recess 52 at the bottom of the shutter door 205.
It is located within 2A. operation handle 503,
Both the receiver 507 and the holding member 508A are attached to the substrate 505, and the substrate 505 is fixed to the frame 203 by appropriate means. The padlock case 514 is integrally formed with the holding member 508A, and the pivot shaft portion 515A and the lock shaft portion 516A are fixed to the substrate 505 by appropriate means such as welding.

Therefore, in order to hold the operating handle 503 in the holder 507, the operating handle 503 must be held in the holder 507.
, and while holding the holding member 508A in the position shown by the solid line in FIGS. 3 and 4, push it in the direction of the arrow 526 to the position shown by the two-dot chain line in FIG. The unlocking operation of the locking device 5 will be easily understood without further explanation.

Although the above embodiment describes the case of locking the door device of a container on a freight truck, the door device may also be applied to a shipping container such as an independent container that is transported by being transferred to a ship, a freight truck, a railroad wagon, etc. , it can also be applied to locking other door devices. Further, the structure of the locking device is not limited to that shown in the drawings, and in short, the locking members 501, 501A lock the doors 201, 20.
2, 205 can be locked to the frame 203, and the receiver 507 and the holding member 508
A is the operation handle 5 of the locking member 501, 501A
03 can be held within the receiver 507. Therefore, the locking member may be attached to the door 201 as shown in the embodiments of FIGS. 1 and 2 and the embodiments of FIGS. 3 and 4, or it may be attached to the frame 203. It suffices if it is attached to an appropriate location on the device 2. Receiver 507, holding member 5
Similarly, 08A may be attached to an appropriate location on the door device 2. For example, in the embodiments shown in FIGS. 1 and 2, if the operating handle 503 is provided near the upper and lower ends of the locking member 501, one or both of the receiver 507 and the holding member 508A may be provided on the frame 203. . In that case, the pivot shaft 515A of the latch 513A cannot be separated from the padlock case 514 fixed to the holding member 508A;
Since the locking shaft portion 516A is separated from the case 514, the holding member 508A can be provided on the door 201 adjacent to the frame 203, and the locking shaft portion 516A can be provided on the frame 203 or vice versa. . In short, the locking shaft portion 516A
may be fixed to the door device 2 so as to face the latch insertion hole 524 of the case 514 in the holding position of the holding member 508A. The substrate 505 also includes a receiver 507, a holding member 508A, and a pivot shaft 5.
15A and the locking shaft part 516A, it is convenient to install these parts by simply fixing the board 505 to the door device 2, but it is not necessary, and these parts must be attached to the door device 2 individually. You can also wear it. Furthermore, when there are a plurality of doors 201, 202 as in the embodiment shown in FIGS. 1 and 2, the locking device 5 may be provided independently for each door.

〔Effect of the invention〕

As described above, according to the present invention, the case of the padlock is fixed to the holding member, the holding member is pivotally supported by the pivot shaft of the latch of the padlock, and the locking shaft of the latch is moved to the holding position by the holding member. With an extremely simple configuration in which the padlock is fixed to the door device so as to face the latch insertion hole of the padlock case, the locking device can be unlocked without removing the padlock from the locking device, thus preventing the padlock from being lost. You can get the effect of eliminating this problem.

[Brief explanation of the drawing]

FIG. 1 is a front view of the main parts of a locking device according to an embodiment of the present invention, FIG. 2 is a left side view of FIG. 1, and FIG.
The figure is a front view of a locking device according to another embodiment of the present invention, FIG. 4 is a right side view of FIG. 3, FIG. 5 is an overall view of a conventional locking device, and FIG. 6 is a locking device of FIG. 5. 7 is a left side view of FIG. 6, FIG. 8 is a sectional view taken along the line - of FIG. 5, and FIG. 9 is a diagram showing another type of conventional locking device. It is. In the figure, 2 is a locking device, 201, 202, 2
05 is the door, 203 is the frame, 501, 501A
is a locking member, 503 is an operating handle, 507 is a receiver, 508A is a holding member, 512 is a padlock, 51
3A is a latch, 514 is a case, 515A is a pivot shaft, and 516A is a locking shaft.

Claims (1)

[Scope of Claims] 1. A locking device for locking the door with respect to the frame in a door device consisting of a door and a frame surrounding the door, wherein the door device is configured to move between a locked position and an unlocked position. A locking member that is fitted tightly,
an operating handle coupled to the locking member for operating the locking member between the locked position and the unlocked position;
A receiver attached to the door device and receiving the operating handle in the locked position; a holding position pivotally connected to the door device and holding the operating handle within the receiver; A locking device comprising: a holding member rotatable between a release position for releasing the operating handle; and a padlock for locking the holding member with respect to the receiver in the holding position; A lock shaft portion that is fixed to the holding member and inserted into and removed from the latch insertion hole of the latch of the padlock is fixed to the door device so as to face the latch insertion hole of the case in the holding position, and A locking device for a door device, characterized in that the holding member is rotatably supported between a holding position and an unlocked position by a pivot shaft portion pivotally supported within a case. 2. The locking device for a door device according to claim 1, wherein the padlock case is integrally formed with the holding member.