JPS6031990B2 - Safe door locking mechanism - Google Patents

Description

[Detailed description of the invention] The present invention relates to a locking mechanism for a metal door.

Electronic code locks, which lock when the correct unlock code is issued by pressing a pushplow switch, can be operated remotely, do not require a cylinder lock key, and can be easily coded. It has the advantage of being changeable, which is advantageous in terms of preventing theft.

However, if the electrical circuit fails or there is a power outage, the safe door cannot be unlocked. Therefore, the present invention proposes a locking mechanism in which a manual code lock is provided in addition to the electronic code lock, and the safe door can be unlocked and locked using the electronic code lock or the manual code lock.

The present invention will be described in detail below based on embodiments shown in the accompanying drawings.

Note that the same parts of the villages are given the same reference numerals. FIG. 1 is a front view showing one embodiment of the locking mechanism of the present invention. In addition, FIG. 2 is a side view showing the main parts of the first illustrated embodiment, and FIG.
The figure is a bottom view showing the main parts of the same embodiment. In the figure, 10
A metal door 20 is attached to the metal door 10 so that it can move forward and backward, and is connected to a flash (not shown) to drive the running plate; 11 is a guide pin for sliding the running plate 20;
2 is a stopper that is installed on the metal door 101 and prevents the running board 20 from moving forward; 13 is a switch that has a push button 131 and detects the retreat when the running board 20 moves backward; 21 is a direction in which the running board 20 advances and retreats; A long hole is provided parallel to the running plate 2, 22 is a stopper provided on the running plate 20', 2
3 is a projection that presses the push button 131; 24 is a handle that moves the running board 20 forward and backward; 25 is a ladder bar; and 26 is a handle 24.
This is a shaft that transmits the rotational force of the lever 25 to the lever 25. Also 3
0a is a manual code lock on the right side, 30b is a manual code lock on the left side, 31a and 31b are code lock dogs, 32a is a dial to be turned to unlock the manual code lock 30a, 40
41a is a switch that detects the operation of the code lock dog 31a, and 41b is a switch that detects the operation of the code lock dog 31b. Further, 50a and 50b are solenoids next to the electric motor of the electronic code lock that operate when a correct unlock code is issued by pressing a push-pin switch (not shown), and these are provided on the first interlocking member 40. There is.

Note that rotary solenoids are used as the solenoids 50a and 50b in this embodiment. 51a and 51b are eccentric cams of solenoids 50a and 50b, respectively, and 52a and 5
2b is a pin provided on the cams 51a, 51b, which moves with the first interlocking part village 40 and connects each solenoid 50a, 50.
The second interlocking members 61a, 61b driven by the pins 52a, 61b are holes 62a, 6 that compete with the pins 52a, 52b, respectively.
2b detects the operating state of the solenoids 50a and 50b, and when this detection is performed, the solenoid 50a
, 50b for a certain period of time.

70', a third interlocking member 71a, 71b connected to the approximate center of the second interlocking member 60 by a shaft and moving therewith;
The third moving member 7 is provided with locking pieces 80a, 8.
Pin 80a that can adjust the distance from the rotation center of 0b,
80b is a locking piece 81a that rotates in conjunction with the third interlocking member 70 and prevents and allows the running plate 20 to travel;
81b is the stopper 22 of the running board 20 and the supporting piece that supports the running board 20;
82a and 82b are long holes that play with the pins 71a and 71b, respectively.

83a and 83b are the third interlocking member 70 and the locking piece 80a
, 80b, and includes pins 71a, 71b and elongated holes 82a, 82b.
This is a rotation angle adjustment section that adjusts the turning angle of the locking piece for a fixed amount of movement of 0.

Next, the operation of the above embodiment will be explained.

The manual code locks 30a, 30b and the electronic code locks, that is, the solenoids 50a, 50b are all in a non-operating state, and the corresponding pieces 81a, 81b of the locking pieces 80a, 80b are not connected to the stopper 2.
2 is shown in solid line in FIG. In addition, in the first illustrated embodiment, the locking mechanism is blind-locked when the manual code locks 30a and 30b are activated together or when the solenoids 50a and 50b are activated together (hereinafter referred to as "AND method"). , the pins 71a and 71b are provided at positions far from the centers of rotation of the locking pieces 80a and 80b, respectively. Then, the manual code locks 30a, 30b are activated, and the code lock dogs 31a, 31
When b are retracted together, the first interlocking member 4
0 moves in parallel upward in the figure, and the second exercise club village 60 and the third
The motion member 70 also translates upward. Accompanying this, the locking pieces 80a, 80b are rotated to such an extent that their supporting pieces 81a, 81b are removed from the stopper 22. This state is the first
It is shown in the figure as an imaginary line. Therefore, the locking mechanism is in the unlocked state, and the running board 20 can be moved backward by operating the handle 24. However, manual code lock 30a, 3
If only one of the lock pieces 0b is actuated, the third moving member 70' moves only half of the amount in the above case, so the locking piece 80a
, 80b rotate only half, and the contact pieces 81a, 81b are in contact with the stopper 22, making it impossible to move the running plate 20 backward. In other words, in the first illustrated embodiment, the scale lock cannot be locked unless both the two manual code locks 30a and 30b operate. This helps prevent theft because different locksmiths have different keys, and the key can only be locked when both of them work together. Furthermore, from the state shown by the solid line in FIG. 1, when the two solenoids 50a and 50b are operated together,
The interlocking member 60 and the third movement member 70 move upward in the figure, the locking pieces 80a and 80b rotate by a predetermined angle, the running plate 20 becomes in a state where it can be retreated, and the locking mechanism is in a muscle-locked state. become.

However, when only one of the solenoids 50a and 50b is activated, the locking pieces 80a and 80b are activated by their contact pieces 81a and 80b in the same way as when one of the solenoids 30a and 30b is unlocked.
Since the running plate 20 does not rotate to the position where the support between the stopper 81b and the stopper 22 is released, the running plate 20 cannot be moved backward.
Therefore, different people in charge of locking can memorize different codes, and the lock can only be unlocked by the two people working together, which helps prevent theft. In this way, the unlocking operation is normally performed using the electronic code lock, and even if the electronic code lock cannot be used due to a power outage or the like, the unlocking operation can be performed using the manual code locks 30a and 30b.

Moreover, since the lock cannot be unlocked by operating only one manual code lock or one electronic code lock, it can contribute to theft prevention. Next, another embodiment of the locking mechanism of the present invention shown in FIG. 4 will be described. FIG. 4 shows an example in which a method is adopted in which the locking mechanism is unlocked when one manual code lock or one electronic code lock is activated (hereinafter referred to as the "OR method"). . The pins 71a and 71b in the embodiment shown in FIG. 4 are different from the pins 71 in the first illustrated embodiment.
They are provided at positions closer to the center of rotation of locking pieces 80a and 80b than locking pieces 80a and 71b, respectively. In other words, the length of the arm that rotates the locking pieces 80a, 80b in the OR method is shorter than the length of the arm in the AND method. The ratio in this example is approximately 2:1. FIG. 4 is a front view showing a state in which only one solenoid 50a is operated.

When the solenoid 50a is operated in this manner, only the right end of the second interlocking section 60 moves upward in the figure, and in response, the third interlocking member 70 moves upward by half of the total amount of movement. However, the pins 71a and 71b are the locking pieces 80a and 80b.
Since it is provided near the center of rotation of the locking piece 80a,
, 80b are rotated by the same angle as shown by the imaginary line in FIG. 1, the running plate 20 can be retreated, and the locking mechanism is in the unlocked state. FIG. 5 is a front view in which only one manual code lock 30a is operated and the locking mechanism is in the locked state. Therefore, if the positions of the pins 71a, 71b are adjusted using the rotation angle adjusting members 83a, 83b, the AND system can also be used.
It can also be applied to the R method.

FIG. 6 is a front view showing another embodiment of the locking mechanism of the present invention.

In the figure, 70' is a third interlocking member that interlocks with the second interlocking section 60, 71 is a pin provided on the third interlocking member, 80 is a locking piece, and 83 is an OR method hole that fits with the pin 71. , 84 pin 71 is an AND method hole. Insert pin 71 into hole 8
If the pin 71 is connected to the hole 84, it becomes an AND system, and these operations are the same as those in the previous embodiment. Although the embodiment shown in FIGS. 1 and 4 can function as a locking mechanism even if the locking pieces 80a and 80b are combined into one, there is a problem that the left and right mechanical balance is not balanced. However, this problem does not occur in the sixth illustrated embodiment. In the above embodiment, the third interlocking member is provided with a pin and the locking piece is provided with a hole, but the third interlocking member may be provided with a hole and the locking piece may be provided with a pin.

Also, a locking piece 80a,
80b, 8 If it has a connecting member that transmits the pin,
It may be a member other than a hole. Furthermore, the rotation angle adjustment section provided in this connecting member and used to switch between the AND method and the OR method may be a combination of a pin and a hole, or any other device that can change the length of the arm that rotates the locking piece. Bye.
Since the structure of the present invention is as described above, it has the following effects.

First, the locking mechanism can be locked using either an electronic code lock or a manual code lock. Therefore, an electronic code lock is normally used, and even if the electronic code lock cannot be used due to a failure of the electric circuit or a power outage, the lock can be unlocked using a manual code lock. Furthermore, by providing a rotation angle adjusting member, it is possible to freely and easily switch between the AND method and the OR method.

[Brief explanation of drawings]

FIG. 1 is a front view showing one embodiment of the locking mechanism of the present invention, in which the solid line indicates the state in which both the manual code lock and the electric motor are inoperative and the locking piece prevents the running board from running. A diagram showing with imaginary lines the state in which the two manual code locks are both in operation and the locking piece allows the running plate to run,
Figure 2 is a side view of the main parts of the first illustrated embodiment, Figure 3 is a bottom view of the main parts of the first illustrated embodiment, and Figure 4 is the lock of the present invention with only one side of the motor in operation. A front view showing another embodiment of the mechanism, FIG. 5 is a front view when only one manual code lock of the fourth embodiment is in operation, and FIG. 6 is a front view showing a single locking piece. FIG. 7 is a front view showing another embodiment of the locking mechanism of the present invention. 10...Metal door, 20...Running board, 2
2... Stopper, 30a, 30b... Manual code lock, 31a, 31b... Code lock dog, 50a, 50b
．．・・・． ...Solenoid, 60...Second interlocking member, 70
, 70'...Third interlocking member, 80a, 80b, 80
．． ．． - Locking piece, 83a, 83b... Rotation angle adjustment member. Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6

Claims (1)

[Scope of Claims] 1. A running board that is movably attached to the safe door and connected to the bolt, and two manual codes that are provided near the running board at a predetermined interval and each has a code lock dog. a lock; a first interlocking member connected to each code lock dog so as to interlock therewith; and a first interlocking member provided at a predetermined interval on the first interlocking member and actuated in response to an unlocking signal of the electronically coded lock. two electric mechanisms; a second interlocking member driven by each of the electric mechanisms or connected to each of the electric mechanisms so as to operate integrally with the first interlocking member; interlocking with the second interlocking mechanism; a third interlocking member connected to the third interlocking member, and rotating in conjunction with the manual code lock or the electric mechanism to a position that prevents or allows the running plate to run; A locking mechanism for a metal door, comprising: at least one locking piece rotatably provided so as to lock the door. 2. The third interlocking member and the locking piece are connected via a rotation angle adjusting member so that the rotation angle of the locking piece that rotates in accordance with the movement of the third interlocking member can be adjusted. A locking mechanism for a safe door according to claim 1. 3. The rotation angle adjustment member is configured such that the locking piece allows the running plate to travel when the two manual code locks operate together or when the two electric mechanisms operate together, or A patent in which the locking piece is adjustable so as to allow the running plate to travel when one of the two manual code locks or one of the two electric mechanisms is activated. A locking mechanism for a safe door according to claim 2. 4. The safe door locking mechanism according to claim 1, wherein the electric mechanism is a rotary solenoid.