KR200420902Y1 - Door lock apparatus for a strong box - Google Patents

Abstract

The present invention relates to a door lock device for a safe box that can improve the stability and reliability of operation by preventing the malfunction of the lock when opening and closing the safe box composed of a combination of electronic and mechanical.

In order to achieve the above object, the present invention is a safe, the door is installed to open and close, the lock to release the bolt to lock the safe, the solenoid for releasing the forward locking of the lock, the safe consisting of a control unit and an input unit for outputting the operation signal to the solenoid A door lock device for a lock, the lock comprising: a; A housing in which a plurality of vertical operation holes are formed; A cylinder rotatably installed on an axis of the housing, the cylinder including a key hole formed to selectively insert a main key or a master key and a pin hole formed in the housing to connect the key hole and the vertical operation hole; A set of pin tumblers slidably mounted in the housing vertical operation hole and the pin hole; A first fixing pin fixed to the housing to allow forward rotation while intermittent reverse rotation of the main key; A second fixing pin fixed to the housing to allow reverse rotation while interfering with the forward rotation of the master key inserted into the key hole of the cylinder; And first and second guide slots respectively guiding the first and second fixing pins.

Lock, housing, cylinder, pin tumbler, first and second fixing pins, first and second guide slots.

Description

DOOR LOCK APPARATUS FOR A STRONG BOX}

Figure 1a, 1b is a side cross-sectional view and a planar cross-sectional view of the main key is inserted into the lock of the conventional safe box door lock device.

1C and 1D are cross-sectional views taken along line II and II of FIG. 1B.

Figure 2a is a side cross-sectional view of the master key is inserted into the lock of the conventional safe box door lock device.

2B and 2C are sectional views taken along the line III-III and IV-IV of Fig. 2A.

3a and 3b show an operating state of FIG. 1d.

Figure 4 is a side cross-sectional view of the main key is inserted into the lock according to an embodiment of the present invention.

5 is a plan sectional view of FIG.

6 is a perspective view of a cylinder according to an embodiment of the present invention.

7A and 7B are cross-sectional views taken along line A-A of FIG. 5 and in operation.

8 is a cross-sectional view taken along the line B-B in FIG.

Figure 9 is a side cross-sectional view of the master key is inserted into the lock according to an embodiment of the present invention.

10 is a cross-sectional view taken along the line C-C in FIG.

11A and 11B are sectional views taken along the line D-D of FIG. 9 and in operation.

12 is an exemplary view showing another embodiment of the first fixing means and the second fixing means according to an embodiment of the present invention.

* Description of the Related Art *

100: lock 110: housing

114: vertical operation hole 116: first fitting hole

118: second fitting hole 120: cylinder

122: keyhole 124: pinhole

126: first guide slot 128: second guide slot

130: pin tumbler 136: spring

138: support cap 140: first fixing pin

150: second fixing pin 200: main key

300: master key C: contact end

The present invention relates to a door lock device of a safe box, and more particularly, an electronic signal for releasing the lock by using an electronic signal, and an opening and closing of the safe box including a combination of mechanical mechanisms for opening and closing the electronic unlocked lock. When the lock is prevented from malfunctioning caused by tilting or rotating, it is possible to improve the stability and reliability of the operation, and thereby relates to the door lock device of the safe box that can reduce the cost of repair and replacement of the door locking device.

In general, a safe box is used to securely store confidential documents or valuables, and such a safe box is installed to be opened and closed by a door locking device.

The door lock device of the safe box, a lock for controlling the opening and closing of the door installed in the safe box, a solenoid for releasing the forward locking of the lock, a control unit for outputting the operation signal to the solenoid, an input unit for inputting the corresponding input authentication signal to the control unit Include.

Accordingly, when the corresponding authentication signal inputted by the user to the control unit is output to the control unit, and the control unit determines the corresponding authentication signal input from the input unit and sends the operation signal to the solenoid, the solenoid releases the forward locking of the lock. The door can be opened by inserting the main key with the lock unlocked by the normal signal and rotating it in the forward direction.

The lock is described in detail according to the so-called mechanically attached FIGS. 1A to 2C as follows.

The lock includes a housing 10 installed in the door and having a plurality of vertical operation holes 11; A pinhole 21 and a master pinhole 22 are formed to be rotatably installed in the shaft of the housing 10 so as to communicate with the vertical operation hole 11, and the keyhole 23 and the solenoid into which the main key 50 is inserted. The cylinder 20 is provided with a ratchet which is released by the forward locking; A set of pin tumblers 30 and a master pin tumbler that are slidably mounted to the pin hole 21 and the master pin hole 22 so that the cylinder 20 is rotated while being aligned by the main key or the master key inserted into the key hole. 40; It includes an operating lever for operating the bolt locking the safe with a ratchet rotated with the cylinder (20).

Referring to FIG. 1A, a set of pin tumblers 30 are supported by the springs 32 and slide along the operating holes 11 and the pin holes 21. These pin tumblers 30 are connected to the key holes 23. The cylinder 20 can be rotated while being aligned with the contact end C at which the operating hole 11 and the pinhole 21 contact the main key 50 to be inserted.

Referring to FIG. 1B, a pin slot 24 and a master pin slot 25 are formed on the outer circumference of the cylinder 20, and the pin slot 24 has a pin tumbler 30 during operation of the main key 50. ), And the master pin slot 40 guides the master pin tumbler 20 during operation of the master key 60.

That is, when the pin tumbler 30 is aligned with the contact end C by the main key 50 inserted into the key hole 23 of the cylinder 20 as shown in FIG. 1A, the main key 50 as shown in FIG. 1C. ), The door can be unlocked by rotating it in the forward direction (arrow direction).

At this time, the main key 50 is the master pin slot 25 is caught in the master pin tumbler 40, as shown in Figure 1d it is impossible to rotate in the reverse direction (left direction).

On the other hand, the master key 60 is to be used in case of loss or the main key 50, such a master key 60 is inserted into the key hole 23 of the cylinder 20, as shown in Figure 2a is a master pin tumbler ( As the 40 is aligned as shown in FIG. 2C, the cylinder 20 can be rotated in the reverse direction.

At this time, the master key 60 may be rotated in the reverse direction in which the master pin slot 25 is formed as shown in FIG. 2C to release the door lock, but as shown in FIG. 2B, the pin slot 24 is the pin tumbler 30. It is hung on the right side of the cylinder 20, that is, rotation in the forward direction is impossible.

3a and 3b are attached to the state diagram of Figure 1d, the main key 50 is inserted into the key hole 23 is a set of pin tumbler can be rotated in the forward direction, the external force acting on the lock When the housing 10 and the cylinder 20 are rotated or inclined as shown in FIG. 3B, the master pintumbler 40 sliding in the master pinhole 22 is mastered by its own weight as in FIG. 3B. Since it is moved to the pin slot 25, it cannot interfere with the end of the master pin tumbler 40, which is slid in the vertical operation hole 11, and cannot be returned to its place, and thus malfunctions are frequently generated so that the safe cannot be locked. Rather, it is necessary to replace or remove the entire lock due to a set of damage to the master pintumbler 40, thereby increasing the economic burden.

The present invention has been made to solve the conventional problems as described above, a safe consisting of a combination of the electronic to unlock the lock using an electronic signal, and the mechanical type to open and close the lock unlocked electronically Prevents malfunction caused by tilting or rotating the lock when opening and closing the box, thereby improving the stability and reliability of the operation, thereby providing a door lock device of the safe box that can reduce the cost of repair and replacement of the door lock device. There is.

In order to achieve the above object, the present invention, the door is opened and closed, the lock is installed in the door, the lock is provided with a ratchet to release the bolt locking the safe, the solenoid for releasing the forward locking of the lock, the operation signal to the solenoid A door locking device for a safe box configured as an input unit capable of inputting by a user to output a corresponding authentication signal to a controller, the lock comprising: a lock; A housing installed in the door and having a plurality of vertical operation holes formed therein; A cylinder having a key hole rotatably installed in the shaft of the housing and connected to the ratchet and having a main hole or a master key selectively inserted therein, and a pin hole connecting the key hole and the vertical operation hole; A set of pin tumblers slidably mounted in the vertical operation hole and the pin hole so that the cylinder is rotated while being aligned by the main key or the master key inserted into the key hole; A first fixing pin fixed to the housing by a first fixing means to intermittently rotate the main key inserted into the key hole of the cylinder while allowing forward rotation; A second fixing pin fixed to the housing by a second fixing means so as to allow reverse rotation while intermittent forward rotation of the master key inserted into the key hole of the cylinder; And first and second guide slots formed on the outer circumference of the cylinder to guide the first and second fixing pins, respectively.

The first fixing means is implemented by drilling the first fitting hole in the housing so that the outer diameter of the first fixing pin is fitted.

Optionally, the first fixing means may be implemented to form a first tab hole in the housing to be screwed to the male screw formed by the outer circumference of the first fixing pin.

The second fixing means is implemented by drilling a second fitting hole in the housing so that the outer diameter of the second fixing pin is fitted.

Optionally, the second fixing means may be implemented by forming a second tab hole in the housing to be screwed to the male screw formed by the outer circumference of the second fixing pin.

Hereinafter, a preferred embodiment of the present invention according to the accompanying drawings in detail as follows.

The present invention, as shown in the accompanying Figures 4 to 11b, including a safe that the door is opened and closed, and a lock 100 provided with a ratchet to release the bolts installed on the door to lock the safe. A door locking device is configured, wherein the lock 100 is installed in the door, and includes a housing 110 having a vertical operation hole 114 formed therein, and a key hole 122 and a pinhole 124 installed in the housing 110. Cylinder 120, a set of pin tumblers 130 slidably mounted in the vertical operation hole 114 and the pinhole 124, and first and second fixing pins fixed to the housing 110. 140 and 150, and first and second guide slots 126 and 128 formed in the housing 110.

The door is provided with a lock 100 provided with a ratchet to release the bolt that locks the safe. The lock 100 includes a housing 110 and a cylinder 120 as shown in FIGS. 4 to 6. And a set of pin tumblers 130, first and second fixing pins 140 and 150, and first and second guide slots 126 and 128.

The housing 110 is formed in a cylindrical tube shape having a predetermined thickness and is installed in the door. In the center of the housing 110, the rotating shaft hole 112 is drilled horizontally so that the cylinder 120 is rotatably installed. The housing 110 is formed with a plurality of vertical operation holes 114 to be connected to the rotary shaft hole 112.

The cylinder 120 is rotatably installed in the rotating shaft hole 112 of the housing 110 to release the bolt locking the safe, such a cylinder 120 is connected to a ratchet, the ratchet is a cylinder 120 Rotating integrally with the bolt to operate the operating lever is provided to unlock the safe.

In addition, the cylinder 120 is provided with a key hole 122 to selectively insert the main key 200 or the master key 300, the main key 200 or master key 300 inserted into the key hole 122. By operating the cylinder 120 is rotated in the forward or reverse direction to lock or unlock the safe. Here, the forward direction is defined as the right direction as shown by the arrow shown in FIG. 7B, and the reverse direction is defined as the left direction as shown by the arrow shown in FIG. 11B.

In addition, a pin hole 124 is formed in the cylinder 120 to connect the key hole 122 and the vertical operation hole 114 of the housing 110, and a pair of pins are formed in the pin hole 124 and the vertical operation hole 114. The tumbler 130 is slidably mounted.

The set of pin tumbler 130 is composed of the upper pin 132 and the lower pin 134, as shown in Figure 4, the main key 200 or master is inserted into the key hole 122 of the cylinder 120 By the key 300, the upper and lower pins 132 and 134 are aligned with the contact end C at which the vertical operating hole 114 and the pinhole 124 come into contact with each other, such that the cylinder 120 is rotatable.

Referring to FIG. 4, a set of pin tumblers 130 are elastically supported by the spring 136, and the spring 136 is supported by the support cap 138 which is screwed into the vertical operating hole 114. do.

The first fixing pin 140 is fixed to the housing 110 as a first fixing means, as shown in Figure 4, the forward rotation is intermittent while intermittent rotation of the main key 200 inserted into the key hole 122 It becomes possible.

For example, as shown in FIG. 4, the main key 200 includes a blade 220 in which a key 210 and a bit 222 are formed. The main key 200 includes the key hole 122 of the cylinder 120. 7B, there is no problem to rotate in the forward direction as shown in FIG. 7B, while rotating in the reverse direction causes the bit 222 of the main key 200 to end of the first fixing pin 140 as shown in FIG. 7A. Interfering with 142, the rotation is interrupted.

As shown in FIG. 4, the first fixing means drills the first fitting hole 116 in the housing 110 such that the outer diameter of the first fixing pin 140 is fitted.

As shown in FIGS. 5 and 6, the first fixing pin 140 is guided by a first guide slot 126 formed at an outer circumference of the cylinder 120.

The second fixing pin 150 is fixed to the housing 110 as a second fixing means, as shown in Figure 4, while the reverse rotation while intermittent forward rotation of the master key 300 inserted into the key hole 122 It becomes possible.

For example, as shown in FIG. 9, the master key 300 includes a blade 320 in which a keybow 310 and a bit 322 are formed, and the master key 300 includes the keyhole 122 of the cylinder 120. 11B, there is no problem in rotating in the reverse direction as shown in FIG. 11B, while rotating in the forward direction causes the bit 322 of the master key 300 to end of the second fixing pin 150 as shown in FIG. 11A. Interfering with 152, the rotation is interrupted.

As shown in FIG. 4, the second fixing means drills the second fitting hole 118 in the housing 110 such that the outer diameter of the second fixing pin 150 is not fitted.

5 and 6, the second fixing pin 150 is guided by a second guide slot 128 formed at the outer circumference of the cylinder 120.

The solenoid is to control the ratchet provided in the cylinder 120 to release the forward locking of the cylinder 120, the solenoid is electrically connected to the control unit to output the operation signal to the solenoid, the control unit to enable the user input The input unit is electrically connected to output the corresponding authentication signal to the control unit.

When described in detail according to the accompanying drawings the overall operating relationship according to an embodiment of the present invention configured as described above are as follows.

First, referring to the attached operation of the main key with reference to Figures 4 to 8, by inputting the corresponding authentication signal to the input unit by the user to output to the control unit, the control unit determines the corresponding authentication signal input from the input unit to the solenoid The operation signal is sent, and the solenoid releases the forward locking of the cylinder 120 by the operation signal input from the controller.

Subsequently, the user inserts the main key 200 into the keyhole to enable the forward rotation of the cylinder 120 as shown in FIG. 7B while the pin tumbler 130 is aligned as shown in FIG. 4 and the cylinder 120. The ratchet operates the locking lever by the forward rotation of the bolt to unlock the door.

In this case, as shown in FIG. 7A, since the bit 222 of the main key 200 interferes with the end 142 of the first fixing pin 140, the reverse rotation is interrupted. Also. Since the bit 222 is not in contact with the second fixing pin 150 as shown in FIG. 8, the main key 200 inserted into the key hole 122 does not interfere with the forward rotation.

Next, referring to FIG. 9 to FIG. 11B, when the user cannot open or close the safe box due to the loss of the main key 200, the administrator opens the master key 300 in the keyhole. Inserted into the 122 and the pin tumbler 130 is aligned as shown in FIG. 9, the reverse rotation of the cylinder 120 is possible as shown in FIG. 10, and the ratchet is locked by the reverse rotation of the cylinder 120. Operate the lever to release the bolt that locks the door.

In this case, as shown in FIG. 11A, since the bit 322 of the master key 300 interferes with the end 152 of the second fixing pin 150, forward rotation is interrupted. In addition, since the bit 322 does not interfere with the first fixing pin 140 as shown in FIG. 10, the master key 300 inserted into the key hole 122 does not interfere with the reverse rotation.

Therefore, the present invention, even if the housing 110 and the cylinder 120 is inclined or rotated by an external force acting on the lock 100, the first and second fixing pins 140 and 150 fixed to the housing 110. This does not move or tilt in the rotational direction or the inclined direction, it is possible to operate the cylinder 120 safely.

On the other hand, Figure 12 is attached to show another embodiment of the first fixing means and the second fixing means according to an embodiment of the present invention, the first fixing means is a male screw formed by the outer periphery of the first fixing pin 140 The first tab hole 111 is formed in the housing 110 to be screwed to the 144. Accordingly, the first fixing pin 140 can be easily fixed to the housing 110.

In addition, the second fixing means is to form a second tab hole 113 in the housing 110 to be screwed to the male screw 154 formed by the outer periphery of the second fixing pin 150, accordingly the second fixing pin 150 can be easily fixed to the housing (110).

The above description is merely to explain one preferred embodiment according to the present invention, the present invention is not limited to the above-described embodiment can be carried out in various modifications within the appended claims.

As described above, the present invention can prevent malfunctions caused by tilting or rotating the lock when opening and closing a safe box composed of a combination of electronic and mechanical parts, thereby improving the stability and reliability of the operation of the door locking device. It is a very useful design that can be improved to reduce the replacement cost and repair cost due to malfunction.

In addition, according to the present invention there is an effect that the first fixing pin and the second fixing pin can be easily fixed to the housing by the fixing means.

Claims (5)

Safes with doors open and close, Locks with ratchets installed on the doors to release the bolts locking the safes, Solenoids for releasing the forward locking of the locks, Controls for outputting operation signals with solenoids In the door lock device of the safe box consisting of an input unit capable of user input to output the, The lock; A housing installed in the door and having a plurality of vertical operation holes formed therein; A cylinder having a key hole rotatably installed in the shaft of the housing and connected to the ratchet and having a main hole or a master key selectively inserted therein, and a pin hole connecting the key hole and the vertical operation hole; A set of pin tumblers slidably mounted in the vertical operation hole and the pin hole so that the cylinder is rotated while being aligned by the main key or the master key inserted into the key hole; A first fixing pin fixed to the housing by a first fixing means to intermittently rotate the main key inserted into the key hole of the cylinder while allowing forward rotation; A second fixing pin fixed to the housing by a second fixing means so as to allow reverse rotation while intermittent forward rotation of the master key inserted into the key hole of the cylinder; And first and second guide slots formed on the outer periphery of the cylinder to guide the first and second fixing pins, respectively. The method of claim 1, The first fixing means, The door locking device of the safe box, characterized in that the first fitting hole is perforated in the housing so that the outer diameter of the first fixing pin is forcibly fitted. The method of claim 1, The first fixing means, The door locking device of the safe box, characterized in that the first tab hole is formed in the housing to be screwed to the male screw formed by the outer circumference of the first fixing pin. The method according to any one of claims 1 to 3, The second fixing means, The door lock device of the safe box, characterized in that the second fitting hole is drilled in the housing so that the outer diameter of the second fixing pin is forcibly fitted. The method according to any one of claims 1 to 3, The second fixing means, The door lock device of the safe box, characterized in that the second tab hole is formed in the housing to be screwed to the male screw formed by the outer circumference of the second fixing pin.

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