KR200186546Y1 - Electronic type lock device - Google Patents

Abstract

The present invention simplifies the structure of the clutch mechanism so that the rotational operation of the key operating mechanism is not transmitted or not transmitted to the locking mechanism of the door when the electronic key is inserted, and at the same time, it can reduce the load during the clutch operation and the malfunction of the locking device Disclosed is an electronic cleaning device having a safety function for preventing theft caused by a car.

The present invention, the clutch mechanism 3 is connected to interlock with the key operation mechanism 2, is formed in a cylindrical shape with a rotary core portion 6 provided with a clutch groove 6c on one side, and the rotary core portion A housing portion 7a which is freely fitted to the outside is formed, and a notch groove 7c is formed in a portion of the housing portion opposite to the clutch groove, and is radially extended from the outside of the housing portion to form the locking mechanism 4. Rotational lever 7 formed with a clutch arm 7b for operating < RTI ID = 0.0 >, < / RTI > and a tubular portion 8a with a clutch switching groove 8c formed at a position opposite to the cutout groove of the housing part, freely fitted to the outside of the housing part. And a clutch rotary plate 8 formed with a saw tooth 8b on an outer side of the cylindrical portion, and located in the clutch groove, the notch groove and the clutch change groove, the diameters of which are the heights of the notch groove and the clutch change groove. At least smaller than Multiple chibol 9 and the screw thread (10a) engaging with the mountain-shaped teeth are fixed to the shaft is composed of an electric motor 10 for rotating a predetermined angle with the clutch spindle.

Description

Electronic lock

The present invention relates to an electronic locking device, and in particular, to simplify the structure of the clutch mechanism so that the rotational operation of the key operation mechanism is not transmitted or transmitted to the locking mechanism of the door when the electronic key is inserted, and at the same time reduces the load during the clutch operation. The present invention relates to an electronic cleaning device having a safety function capable of preventing theft due to a malfunction of the locking device.

Generally, a button type, a dial type, a card type, or a magnet type are known as the electronic locking device. However, such a method has a high failure rate and easy tampering, which frequently causes theft. The electronic lockout device has been developed in which the lockout device operates only when the random number inputted in the electronic key and the random number inputted in the lockout device are matched.

As an example of the electronic determination device using the memory chip as described above, there is one disclosed in Korean Patent Publication No. 96-17684. That is, if the random number previously inputted into the memory chip of the electronic key by inserting the electronic key into the key hole and the random number previously inputted into the memory chip of the locking device, the locking pin is lowered by the driving force of the motor. In this case, when the rotating plate is rotated, the locking jaw of the operating tool having the sliding roller sliding on the rotating plate is held in the locking groove of the operating plate to move the operating plate and the sliding plate caught by the locking pin to the front. The locking jaw of the spring-loaded locking chain tennis can be released, and the locking portion formed on the rotating chain tennis latch can be held.

In addition, when the electronic key is pulled out from the key hole, the motor is driven in the reverse direction to raise the locking pin again to release the locking state of the sliding plate and the operating plate to separate it. Therefore, in this case, even if the operating plate is moved forward by the operating plate by rotating the rotating plate, the sliding plate is separated from the operating plate, so that the locking jaw of the rotating chain stopper cannot be released, thereby operating the locking device other than the corresponding electronic key. It can't be done.

However, the electronic locking device having the above-described configuration has a structure in which the sliding plate and the operating plate are held together when the electronic key is inserted and the structure for sliding the sliding plate and the operating plate when the rotating plate is rotated separately. Many and complicated structure. In addition, since the motor's rotational motion is converted into the up and down linear motion of the locking pin, an overload acts in the process of converting the rotational motion into a linear motion, which shortens the life of the product. In addition, the battery is used as a power source to drive the motor, and the life of the battery is shortened due to the overload, and there is a hassle and economic burden of frequent replacement.

On the other hand, when the electronic lock device having the above-described configuration is used for the storage of objects in a public office such as a bathroom, the lock device is in an open state, that is, the motor is driven and the sliding plate and the operating plate are held together by the locking pins. If the motor drive battery of the locking device is intentionally removed in the state, the motor cannot be reversed and the sliding plate and the operating plate are always held together. In this state, the sliding plate is inserted into the key hole. Anyone with a tool that can manipulate the door will be able to open the door.

Therefore, when the next user uses the locker without knowing this fact, it is possible to operate the locking device without any doubt, but since the locker is in a state that anyone can easily open, there is a problem that valuables are stolen.

The present invention is to solve the conventional problems as described above, its purpose is to simplify the structure of the clutch mechanism so that the rotation operation of the key operation mechanism is not transmitted or transmitted to the locking mechanism of the door when the electronic key is inserted into the number of parts It is to provide an electronic locking device that can reduce the.

Another object of the present invention is to provide an electronic locking device that can reduce the load caused by the operation of the clutch mechanism to reduce the failure rate and extend the life of the battery.

It is still another object of the present invention to provide an electronic lock device that can prevent a deliberate removal of a battery for the purpose of theft with a safety function.

1 is an exploded perspective view showing an electronic locking device according to the present invention.

Figure 2 is an exploded perspective view showing a clutch mechanism of the electronic locking device according to the present invention.

3 is a cross-sectional structural view showing an assembled state of the clutch mechanism.

Fig. 4A is an enlarged cross-sectional view taken along line IV-IV of Fig. 3 showing an operating state of the clutch mechanism.

5 is an assembly structure showing a locking mechanism of the electronic locking device according to the present invention.

Figure 6 is an exploded perspective view showing a battery storage space and the battery locking mechanism of the electronic locking device according to the present invention.

7 is an operation state of the battery locking mechanism.

8 is a circuit diagram of an electronic locking device according to the present invention.

<Description of the symbols for the main parts of the drawings>

1: Body 1A, 1B: Front and rear case

2: key operation mechanism 2a: key insertion opening

3: clutch mechanism 4: locking mechanism

5: Electronic key 6: Rotating core

6c: clutch groove 7: rotary lever

7b: Clutch Arm 7c: Notch Groove

8: Clutch Swivel Plate 8b: Sawtooth

8c: clutch shift groove 9: clutch ball

10: electric motor 10a: thread

12: slide bar 13: latch

14: locker 18: storage space

19: cover 20: locking mechanism

21: lock assembly 22: rotating arm

23: operation bar 24: detection sensor

To this end, the present invention, a body having a battery storage space, a locking mechanism installed in the body to operate in the locking position and the unlocking position of the door, and the key is installed in the body to rotate by the electronic key An electronic lock device comprising an operating mechanism and a clutch mechanism for transmitting or not transmitting rotational motion from the key operating mechanism to the locking mechanism, wherein the clutch mechanism is connected to interlock with the key operating mechanism, and has a cylindrical shape. Rotating core portion formed in one side is provided with a clutch groove on one side, and a housing portion that is freely fitted to the outside of the rotary core portion is formed, a notch groove is formed in a portion facing the clutch groove of the housing portion, the outer side of the housing portion A rotary lever extending radially and having a clutch arm for operating the locking mechanism; A clutch rotating plate fitted freely to the outside of the part and having a clutch switching groove formed at a position opposite to the cutout groove of the housing part, the clutch rotating plate having a serrated tooth formed on the outside of the cylindrical part, and the clutch groove, the notch groove and the clutch. Located in the switching groove, the diameter of the notch groove and the clutch switching groove is at least smaller than the clutch ball, and the screw thread engaged with the mountain teeth is fixed to the rotating shaft is composed of an electric motor for rotating the clutch rotating plate by a predetermined angle. It can be achieved by an electronic lock device characterized in that.

The present invention also preferably includes a cover that covers the battery compartment of the body, and a locking mechanism using a conventional lock assembly for selectively locking and unlocking the cover.

Hereinafter, the present invention will be described in detail with reference to the drawings. 1 is an exploded perspective view of the electronic locking device according to the present invention, the electronic locking device of the present invention, the front and rear case (1A, 1B) is provided with a body (1) is coupled, this body (1) The key operating mechanism 2, the clutch mechanism 3, and the locking mechanism 4 are provided inside.

That is, the key operating mechanism 2 is conventional, and is fixed to the inner side of the front case 1A so that the key insertion opening 2a is exposed to the surface of the front case 1A, and the electronic key (2) in the key insertion opening 2a. When inserting 5), a connection terminal (not shown) for connecting with a terminal of the memory chip 5a embedded in the electronic key 5 is provided, and is connected with a memory chip (not shown) of the locking device. On one side, a rotating shaft 2b for transmitting the rotating operation of the electronic key 5 to the clutch mechanism 3 is formed.

As shown in FIGS. 1 to 4, the clutch mechanism 3 includes a rotation core 6, a rotation lever 7, and a clutch rotation plate 8. The rotary core portion 6 is formed in a cylindrical shape and has an insertion hole 6a into which the rotary shaft 2b of the key operating mechanism 2 is inserted, and the insertion hole 6a has a locking projection 6b in its longitudinal direction. Is formed so that the engaging projection 6b and the groove 2c formed on the rotating shaft 2b are coupled so that the rotation operation of the rotating shaft 2b can be transmitted to the rotating core 6, and the rotating core portion ( The clutch groove 6c of predetermined depth is formed in one side of 6).

The rotary lever 7 has a housing portion 7a which is freely fitted to the outside of the rotary core portion 6, and the housing portion 7a faces the clutch groove 6c of the rotary core portion 6. The notch groove 7c which penetrates up and down is formed in the part, and is provided with the clutch arm 7b which extends in the radial direction from the outer side of the housing part 7a, and operates the said locking mechanism 4. As shown in FIG.

The clutch rotating plate 8 is freely fitted to the outside of the housing portion 7a and has a cylindrical portion 8a in which a clutch switching groove 8c is formed at a position opposite to the cutout groove 7c of the housing portion 7a. And a sawtooth 8b on the outer side of the cylindrical portion 8a. In addition, the tubular portion 8a is provided with a rotation limiting groove 8d at a position facing the clutch switching groove 8c, and a stopper protrusion 7d at the housing portion 7a of the rotating lever 7 opposite thereto. Is formed to limit the rotation angle of the rotary lever (7).

When the rotary core 6, the rotary lever 7 and the clutch rotating plate 8 of such a configuration are assembled, as shown in Figs. The engagement groove 7c and the clutch switching groove 8c coincide.

In addition, the clutch mechanism 3 rotates the clutch ball 9 and the clutch rotating plate 8 located at the clutch groove 6c, the notch 7c, and the clutch switching groove 8c at a predetermined angle. It is provided with an electric motor 10 for the purpose.

In the state where the three grooves coincide with each other as shown in Fig. 4 (a), the clutch ball 9 has its diameter set so as to be located only in the notch groove 7c and the clutch switching groove 8c by its own weight. In the state, even if the rotation core 6 of the clutch mechanism 3 is rotated by the rotation operation of the key operating mechanism 2, no rotational force is transmitted to the rotation lever 7, so only the rotation core 6 is idling and the locking mechanism ( 4) does not work. When the clutch rotating plate 8 rotates by a predetermined angle, the clutch switching groove 8c pushes the clutch ball 9 and is located in the notch groove 7c and the clutch groove 6c, and in this state, the rotary core 6 Since the rotational force of) is transmitted to the rotary lever 7 by the clutch ball 9, the locking mechanism 4 is operable.

The electric motor 10 is for rotating the clutch rotary plate 8 at a predetermined angle forward and reverse, and a screw thread 10a meshed with the toothed teeth 8b of the clutch rotary plate 8 is fixed to the shaft. Therefore, when the thread 10a is rotated once by the driving of the electric motor 10, the engaged tooth 8b rotates by one pitch, that is, one tooth, so that the pitch and thread 10a of the toothed tooth 8b are rotated. The rotation angle of the clutch rotating plate 8 can be determined by setting the number of rotations of the clutch rotation plate 8.

The clutch mechanism 3 configured as described above is fixed between the front and rear fixing brackets 11A and 11B as shown in FIG. 1 and installed in the space in the rear case 1B.

Meanwhile, as shown in FIGS. 1 and 5, the locking mechanism 4 slides linearly in the horizontal direction by the clutch mechanism 3 and moves to a locking position and a unlocking position of a door (not shown). 12 and the locking position (solid line state of FIG. 5) held by the latch 13 of the door according to the position of this slide bar 12, and the unlocking position (virtual line state of FIG. 5) to be released. It consists of a rocker 14 that rotates.

The slide bar 12 is installed to be slidably movable from the guide wall 15 of the rear case 1B, and one side is elastically installed with the guide wall 15 and the spring 16 so that the locker 14 and the locker 14 are always held. A spring force acts on the side of the slide bar 12, and an actuating groove 12a is formed in the lower portion of the slide bar 12 so that the clutch arm 7b of the clutch mechanism 3 is held.

The locker 14 is rotatably installed on the rear case 1B about the pin 14a, and the spring force acts to always rotate to the unlocking position by the torsion spring 17, and the slide bar in the locking position. The latching jaw 14b is held by the step 12b of the 12 and is fixed to the latch 13 of the door, and the locking step 14b is released from the step 12b of the slide bar 12. In this case, the door is opened by rotating to the unlocking position by the elastic force of the torsion spring 17 to unlock the latch 13.

In addition, the electronic lock device of the present invention, as shown in Fig. 1, 6 and 7, the storage space 18 is installed on the back of the rear case (1B) is mounted a battery (not shown) The storage space 18 is opened and closed by a cover 19, and the cover 19 is not opened by anyone by the battery locking mechanism 20.

That is, as shown in FIG. 7, the cover 19 is pushed in the direction of the arrow to be inserted into the storage space 18, and the insertion piece 19a formed at the top of the cover 19 has the upper portion of the storage space 18. A plurality of engaging pieces 19b formed at the lower end of the cover 19 and inserted into the engaging holes 18b at the lower part of the storage space 18 so as to be removed only in the opposite direction to the arrows. It is.

In addition, a locking bar 19c is integrally formed on the inner surface of the cover 19, and the locking bar 19c is selectively locked and released by the locking mechanism 20 installed in the rear case 1B. have.

The locking mechanism 20 is a conventional lock assembly 21 which is operated only by a specific key (not shown), and a rotation arm 22 which rotates a predetermined angle by the rotation operation of the lock assembly 21 by the key. And, it is composed of a working bar 23 which is moved to the storage space 18 by moving the left and right straight line by the pivoting arm 22, the operation bar 23 is protruded to hold the engaging bar (19c) If the cover 19 cannot be pulled in the direction opposite to the arrow in Fig. 7, the cover 19 cannot be opened, and when the operation bar 23 is inserted into the rear case 1B to release the cover 19, the cover 19 To open in the opposite direction of the arrow.

At this time, it is preferable that the sensor sensor 24 is installed in the storage space 18 so that an alarm sounds when the cover 19 is forcibly opened without the owner.

The operation of the electronic locking device configured as described above will be described below. When the electronic key 5 is inserted into the key insertion opening 2a of the key operating mechanism 2 exposed to the front and rear cases 1A and 1B, the terminal of the electronic key 5 and the inside of the key insertion opening 2a are inserted. When the connection terminal is connected, the memory chip 5a of the electronic key 5 and the memory chip of the locking device are circuit-connected, and the electric motor 10 of the clutch mechanism 3 is driven only when their random numbers match. Done.

First, in the case where the random number does not match and the electric motor 10 does not drive, as shown in Fig. 4 (a), the rotary core 6, the rotary lever 7 and the constituting the clutch mechanism 3 The clutch groove 6c, the cutout groove 7c and the clutch changeover groove 8c of the clutch rotating plate 8 are in the same state, and the clutch ball 9 is notched by the cutout groove 7c and the clutch changeover groove by their own weight. Since it is in the state (8c), in this state, the electronic key 5 is rotated so that this rotational motion is transmitted to the rotation core 6 of the clutch mechanism 3 via the rotation shaft 2b of the key operating mechanism 2. Even if the rotation core 6 is idling, the locking mechanism 4 does not operate and thus the door cannot be opened.

However, when the electric motor 10 is driven by matching the random number of the electronic key 5 with the random number of the locking device, the clutch rotating plate 8 is rotated by a predetermined angle by the thread 10a and the tooth 8b. Therefore, as shown in Figure 4 (b), the clutch switching groove (8c) pushes the clutch ball (9) to the notch groove (7c) and the clutch groove (6c) in the process of rotating the clutch rotary plate (8) Position it.

When the electronic key 5 is rotated in this state, this rotational motion is transmitted to the rotary core 6 of the clutch mechanism 3 via the rotary shaft 2b of the key operating mechanism 2, and the rotary core 6 When the rotation, the rotation force is transmitted to the rotary lever 7 by the clutch ball 9 to rotate the rotary lever 7, thereby operating the locking mechanism (4) can open the door.

That is, as shown in FIG. 5, when the rotary lever 7 rotates and the clutch arm 7b moves the slide bar 12 in the direction of the arrow, the spring 16 is compressed and the slide bar 12 is virtual. The locker 14 held on the stepped portion 12b of one side is released so that the locker 14 is rotated in the direction of the arrow by the elastic force of the torsion spring 17 so as to release the lock 13 of the door. do.

In addition, when the container is placed in the door and closed, and the electronic key 5 is removed from the key insertion opening 2a, the electric motor 10 automatically drives back to reverse the clutch rotation plate 8. When the clutch groove 6c, the notch groove 7c, and the clutch change groove 8c coincide with each other, the clutch ball 9 is positioned in the notch groove 7c and the clutch change groove 8c again by its own weight. The rotary core 6 is in an idling state again, so that the locking mechanism 4 cannot be operated, thereby maintaining the locked state of the door.

As described above, the clutch mechanism 3 of the present invention has a simple structure with a small number of parts, and the position of the clutch ball 9 is changed in accordance with the rotational direction of the clutch rotating plate 8 so that the key operating mechanism 2 Since the rotational motion of) is transmitted to or not transmitted to the locking mechanism 4, the clutch function is operated very accurately with a small load. In addition, even when the clutch rotating plate 8 of the clutch mechanism 3 is rotated, when the thread 10a of the electric motor 10 rotates once, the gear teeth 8b angularly move by one pitch, so the reduction ratio is It becomes large and the load at the time of rotation of the clutch rotating plate 8 can be reduced significantly.

In addition, by the battery locking mechanism 20 of the present invention, no one can open the cover 19 and take out the battery. That is, when the cover 19 is pushed in the direction of the arrow in FIG. 7 while the operation bar 23 of the battery locking mechanism 20 is inserted into the rear case 1B, the insertion piece 19a of the cover 19 is provided. And the locking pieces 19b are inserted into the upper fitting holes 18a and the lower locking holes 18b of the storage space 18, respectively. In this state, when the key is inserted into the normal lock assembly 21 and rotated, In addition, the lock bar 21 is moved by the operating arm 23 toward the storage space 18 through the rotating arm 22 and the protruding end thereof is held by the catching bar 19c of the cover 19. Without the key which can be operated, the cover 19 cannot be opened.

When the battery is to be replaced while the cover 19 is locked, when the lock assembly 21 is rotated in the reverse direction with the key, the operation bar 23 is inserted into the rear case 1B through the rotation arm 22, The catching bar 19c is released so that the cover 19 can be removed by pulling the cover 19 in the opposite direction to the arrow so that the battery can be replaced.

8 shows a circuit configuration diagram of an electronic lock device according to the present invention, and is provided with a microcomputer 100 for controlling all functions of the lock device. The microcomputer 100 includes a battery 101 and an electric motor 10. ), The light emitting lamp 102, the buzzer 103, the sensor 24, the key connection terminal 104 and the memory chip 105 are electrically connected.

Therefore, when the connection terminal of the electronic key 5 is connected to the key connection terminal 104 connected to the microcomputer 100, the random number input to the memory chip 5a of the electronic key 5 is input to the microcomputer 100, The microcomputer 100 drives the electric motor 10 only when it matches with the random number stored in advance in the memory chip 105 of the microcomputer 100.

In addition, when the battery cover 19 is forcibly opened, the detection sensor 24 detects this, and the microcomputer 100 receives the detection signal to operate the light emitting lamp 102 and the buzzer 103 to prevent theft. It is supposed to be.

As described above, the electronic locking device of the present invention has a very simple structure of the clutch mechanism for performing the clutch function so as not to transmit or transmit the rotational operation of the key operation mechanism operated by the electronic key to the locking mechanism for locking the door. Low cost and productivity due to the small number of parts, and the small number of clutches can be added to reduce the occurrence of defects and lifespan. The low power consumption eliminates the hassle of replacing batteries and is economical. . In addition, it is possible to prevent theft that is performed in such a manner that the battery cover can be opened so that no one can open the battery and cause the clutch mechanism to malfunction.

Claims (2)

A body having a battery storage space, a locking mechanism installed in the body to operate at a locking position and a unlocking position of the door, a key operating mechanism installed in the body and rotating by an electronic key, and the key operating mechanism An electronic lock device comprising a clutch mechanism for transmitting or not transmitting rotational motion from a lock mechanism. The clutch mechanism 3 Is connected to interlock with the key operation mechanism (2), and formed in a cylindrical shape with a rotary core 6 having a clutch groove (6c) on one side, A housing portion 7a is formed to be freely fitted to the outside of the rotary core portion 6, and a notch groove 7c is formed in a portion of the housing portion 7a opposite to the clutch groove 6c. A rotary lever 7 extending radially from the outside of the portion 7a and having a clutch arm 7b for operating the locking mechanism 4; And a tubular portion (8a) which is freely fitted to the outside of the housing portion (7a), the clutch switching groove (8c) is formed at a position opposite to the cutout groove (7c) of the housing portion (7a), A clutch rotary plate 8 formed with a saw tooth 8b on an outer side of the shaped portion 8a, The clutch ball 9 is located in the clutch groove 6c, the notch 7c and the clutch shifting groove 8c, the diameter of which is at least smaller than the height of the notch 7c and the clutch shifting groove 8c. and, And an electric motor (10) configured to rotate the clutch rotating plate (8) by a predetermined angle by fixing the screw thread (10a) engaged with the sawtooth (8b). The method of claim 1, wherein the cover 19 for covering the battery storage space 18 of the body 1, Electronic locking device further comprises a locking mechanism (20) using a conventional lock assembly (21) for selectively locking and unlocking the cover (19).