KR102485189B1 - Door lock equipment - Google Patents

Abstract

The present invention relates to a door lock device in which an unlocking device is unlocked by inputting a pattern set on a keypad, or the lock of the unlocking device is released by inserting a pin of a master key into a pin insertion hole of a manual unlocking unit, wherein the lock of the unlocking device is released as the master key is slid left and right to force a deadbolt to move into the unlocking device. According to the present invention, the lock of the unlocking device can be easily released automatically or manually by selectively operating the manual unlocking unit or the keypad on an operation unit. If the keypad malfunctions due to electrical damage, the lock can be manually released by unlocking the manual unlocking unit with the master key. Since the lock is released by simply inserting the pin of the master key into the pin insertion hole and sliding the same, there is no risk of the pin being bent or damaged by excessive pressure. In particular, the deadbolt is returned to the original position thereof by the operation of recovering the master key, and the unlocking device is automatically locked. Additionally, the master key has a shape different from general plate-shaped keys used to unlock doors, so can be easily distinguished.

Description

Door lock equipment {Door lock equipment}

The present invention relates to a door lock, and more particularly, to automatically unlock a lock unlocking device through a keypad of a control unit or to slide a master key in left and right directions in a state where the master key is entered into a pin insertion hole of a manual unlocking unit. The present invention relates to a door lock device capable of manually unlocking a lock of an unlocking device by forcing a dead bolt to enter an inner direction of the unlocking device.

In general, a door lock is a type of door lock used in offices/homes, etc., and is a device that locks or unlocks a mortise lock based on an electrical signal by using an electronic circuit instead of a lock and a key to unlock it.

At this time, since the digital door lock does not require a key, user convenience is increased, and in particular, when a large number of people use it jointly, such as in an office, a copy key is not required, and reliability is reduced due to the loss of the key. can reduce

Such a digital door lock is unlocked by an operation in which a user inputs a specific number having a series of sequences or presses a release button when there is a person inside.

Patent Document 1 shows a conventional door lock, referring to this, a case cover having a button hole and a key insertion hole on the front side, a locking device installed in close contact with the rear side of the case cover to lock and unlock, and a rear side of the case cover. It consists of a case body that is closely installed and closes the back of the case cover.

Here, a plurality of push buttons are formed on the front of the key input unit of the locking device, and the push buttons are coupled to be exposed through the button hole of the case cover, thereby releasing the lock of the locking device by pressing and operating the push buttons in a predetermined pattern. will be.

At this time, the key input unit transmits a signal to the motor through the control unit, and the locking device is unlocked while the operating rod is moved in one direction by the operation of the motor.

On the other hand, when a key is entered into the auxiliary locking device through the key insertion hole of the case cover and rotated in a forward or reverse direction, the operating rod is manually moved by the auxiliary locking device, and the locking device is unlocked.

However, in Patent Document 1 as described above, when a plate-shaped key is inserted into the auxiliary locking device and rotated with excessive force, there is a risk that the key inserted into the auxiliary locking device is easily bent or damaged, and in the auxiliary locking device It is difficult to retrieve the key because the key is bent or damaged, and it is very difficult to operate the operating rod through the auxiliary locking device because the key stays in the auxiliary locking device, especially when stored with various keys having similar shapes. , It is difficult to distinguish the door lock key, and accordingly, it is difficult to use the manual unlocking method due to great inconvenience in using the key.

The present invention is to solve the problems described above, and an object of the present invention is to provide a keypad and a manual release unit, and provide a control unit for outputting an operation signal by operating the keypad and the manual release unit, A lock unlocking device that forms a dead bolt that unlocks while sliding by receiving an operation signal from The present invention relates to a door lock device that unlocks a door by inserting a pin, but unlocks the lock unlocking device by forcing a dead bolt to move into the unlocking device while sliding the master key in left and right directions.

In order to achieve the object of the present invention as described above, the door lock device according to the present invention, a control unit fixed to the front surface of the door and operated by an external operation to output an operation signal; It is fixed to the rear surface of the door so as to be symmetrical with the operation unit, is slidably coupled to be exposed to the outside on one side, and receives an operation signal from the operation unit and slides to enter inward to unlock the door. In the door lock device composed of a lock unlocking device formed with a bolt, the control unit is formed in plurality at a predetermined interval on the front surface, and inputs a signal to the unlocking device when a set pattern is input, so that the dead bolt is locked. a keypad for automatically unlocking; It is slidably installed on the top of the keypad, and formed in a plurality of pins spaced apart from each other at a predetermined interval on the front surface to form a plurality of pin insertion holes that allow the pins of the master key to be inserted, and locking is performed by the master key inserted into the pin insertion hole. It is characterized in that it consists of; a manual unlocking unit that unlocks the dead bolt by forcing the dead bolt of the unlocking device to enter inward while sliding in the left and right directions while being unlocked.

In the door lock device according to the present invention, the manual unlocking unit includes: a hollow base body having a plurality of guide holes partitioned from each other; It is slidably coupled to the front end of the base body, forms a plurality of pin insertion holes communicating with the guide hole to correspond to the guide hole, and is formed to be connected to the dead bolt of the unlocking device, with respect to the base body. An unlocking key that slides in left and right directions to slide and move the dead bolt; A lock pin inserted into each of the guide holes of the base body and exposed so that one end thereof enters the pin insertion hole of the unlocking key by an elastic spring; The lock pin is inserted into each of the pin insertion holes of the unlocking key so as to be slidably movable and pressed by a pin of a master key entering the pin insertion hole of the unlocking key so that the lock pin is separated from the pin insertion hole. It is characterized in that it consists of; a release pin for pressing.

In the door lock device according to the present invention, the manual unlocking unit is formed to have an elastic force between one end of the unlocking key and the base body, and is compressed by the unlocking key sliding to unlock the dead bolt. , It is characterized in that a return spring is further formed to force the unlocking key to return to its original position by pushing the unlocking key by an elastic force to be restored to its original state.

In the door lock device according to the present invention, the unlocking device includes a hollow housing; a drive motor installed on an inner wall of the housing and rotated by receiving a keypad signal from the control unit; a driving shaft rotatably installed above the driving motor, forming a flow spring on an outer circumferential surface, and rotating in place by receiving rotational power of the driving motor; A dead bolt fastened in a ball screw manner to surround the outer surface of the driving shaft and compressing and releasing the floating spring while sliding to enter the housing inward or to be exposed to the outer direction of the housing by the driving shaft. to be

According to the present invention, the unlocking device can be easily unlocked automatically or manually by selecting and manipulating the keypad formed on the control unit and the manual unlocking unit, and when the keypad malfunctions due to electrical damage, the manual unlocking unit is unlocked with a master key, In this way, the lock can be unlocked by inserting the pin of the master key into the pin insertion hole and then unlocking by a simple action of sliding and moving, so there is no risk of the pin being bent or damaged by excessive pressure. In particular, the master key The dead bolt is returned to its original position by the recovery operation, so that the unlocking device is automatically locked, and also has the advantage of being easily distinguished from a general plate-shaped key that unlocks the door.

1 is a perspective view showing a door lock device according to the present invention.
Figure 2 is an exploded perspective view of the operation unit of the door lock device according to the present invention.
Figure 3 is an exploded perspective view of the unlocking device of the door lock device according to the present invention.
Figure 4 is a cross-sectional perspective view of the door lock device according to the present invention.
Figure 5 is a cross-sectional perspective view of the door lock device according to the present invention viewed from the rear.

Hereinafter, embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

Referring to FIGS. 1 to 5 , the control unit 100 is fixedly installed on the front surface of the door D and is operated by an external operation to output an operation signal.

The control unit 100 is fixedly installed on the front surface of the door so as to face the outdoor side, and is operated by the user.

The operation unit 100 is formed in plurality at a predetermined interval on the front surface, and when a set pattern is input, a keypad 110 inputs a signal to the lock unlocking device 200 so that the dead bolt 204 is automatically unlocked. ) and a plurality of pin insertion holes 121 slidably installed on the top of the keypad 110 and formed in a plurality at a predetermined interval on the front surface to allow the pin P of the master key K to be inserted. The lock is unlocked by the master key (K) inserted into the pin insertion hole 121, and the dead bolt 204 of the unlocking device 200 slides in the left and right directions in an inward direction. It is composed of a manual release unit 120 that unlocks the dead bolt 204 by forcing it to enter.

A pattern set on the keypad 110 may be changed by the user.

It is preferable that numbers and symbols are engraved on the keypad 110.

The pin insertion hole 121 of the manual unlocking part 120 is formed in proportion to the number of pins P of the master key M.

The manual unlocking part 120 allows the dead bolt 204 to enter the unlocking device 200 while being forcibly slid in the left and right directions by the master key M.

The manual release part 120 has a hollow shape and is slidably coupled to a base body 122 having a plurality of guide holes 122a partitioned from each other on the inside and to the front end of the base body 122, and the guide A plurality of pin insertion holes 121 communicating with the guide hole 122a are formed to correspond to the hole 122a, and are formed to be connected to the dead bolt 204 of the unlocking device 200, and the base body The release key 123 for sliding the dead bolt 204 by sliding in the left and right directions relative to the 122 and inserted into the guide holes 122a of the base body 122, respectively, the elastic spring ( 124a), one end of which is exposed to enter the pin insertion hole 121 of the unlocking key 123, and is slidably inserted into each of the pin insertion holes 121 of the unlocking key 123 The lock pin 124 is separated from the pin insertion hole 121 while being pressed by the pin P of the master key K entering the pin insertion hole 121 of the unlocking key 123. It is composed of an unlocking pin 125 that presses and presses the lock pin 124.

The base body 122 slides the lock pin 124 into the guide hole 122a.

The base body 122 allows the lock pin 124 to remain in the guide hole 122a while the release pin 125 slides.

The guide holes 122a of the base body 122 are formed in proportion to the number of pin insertion holes 121 of the unlocking keys 123.

The unlocking key 123 allows the unlocking pin 125 to slide into the pin insertion hole 121 .

The release key 123 allows one end of the lock pin 124 to be inserted into the pin insertion hole 121, but is locked by the lock pin 124 and is blocked from sliding in the left and right directions.

The unlocking key 123 is forcibly moved in the left and right directions by the pin P of the master key K, and forcibly moves the dead bolt 204 to enter the unlocking device 200.

One end of the lock pin 124 is inserted into the pin insertion hole 121, and the other end is caught in the guide hole 122a to prevent it from coming out of the guide hole 122a.

The lock pin 124 is released from the pin insertion hole 121 to enter the guide hole 122a while being pressed by the unlocking pin 125, thereby unlocking the unlocking key 123.

The lock pin 124 is pressed in the direction of the unlocking key 125 by the elastic spring 124a provided in the guide hole 122a, so that the guide hole 122a communicates with the pin insertion hole 121. At the moment when it is entered into the pin insertion hole 121 of the unlocking key 123, the unlocking key 123 is locked.

Preferably, the lock pin 124 has a stepped structure so that the other end is caught on the inner wall surface of the guide hole 122a.

The unlocking pin 125 is located in the pin insertion hole 121 and is pressed by the pin P of the master key K entering the pin insertion hole 121 so that the lock pin 124 is The unlocking key 123 is unlocked by forcing it to enter the guide hole 122a.

The unlocking pin 125 presses and presses the lock pin 124 while sliding along the inner wall surface of the pin insertion hole 121 .

The manual unlocking part 120 is formed to have an elastic force between one end of the unlocking key 123 and the base body 122, and the unlocking key 123 slidingly moved to unlock the dead bolt 204. ), and further forms a return spring 126 forcing the unlocking key 123 to return to its original position by pushing the unlocking key 123 by the elastic force to be restored to its original state.

The return spring 126 forces the unlock key 123, which has been slid to be unlocked by the master key K, to return to its original position.

The unlocking device 200 is fixedly installed on the rear surface of the door D in a symmetrical manner with the control unit 100, and is slidably coupled to one side to be exposed to the outside, and inputs an operation signal from the control unit 100. The dead bolt 204 is formed to unlock the door (D) by being slid and moved to enter the inside direction.

The unlocking device 200 is operated by the keypad 110 of the control unit 100 or the manual unlocking unit 120 to release the lock.

The unlocking device 200 includes a hollow housing 201 and a driving motor 202 installed on an inner wall of the housing 201 and rotated by receiving a signal from the keypad 110 of the control unit 100. , a drive shaft 203 rotatably installed on top of the drive motor 202, forming a flow spring 203a on an outer circumferential surface, and rotating in place by receiving rotational power of the drive motor 202, the drive shaft ( 203) It is fastened by a ball screw method so as to surround the outer surface of the housing 201 by the drive shaft 203, or slides to be exposed to the outside of the housing 201 or enters the housing 201. The floating spring 203a It consists of a deadbolt 204 that compresses and releases.

The housing 201 surrounds and covers the driving motor 202, the driving shaft 203, and the dead bolt 204.

The driving motor 202 is connected to the driving shaft 203 in a gear gear manner, and rotates the driving shaft 203 at a predetermined speed.

While the driving shaft 203 rotates in place, it forces the dead bolt 204 to slide toward the inside or outside of the unlocking device 200 .

The floating spring 203a of the drive shaft 203 is compressed by the sliding dead bolt 204 .

The dead bolt 204 slides along the drive shaft 203 and moves toward the inside or outside of the unlocking device 200 .

The dead bolt 204 is automatically slid and moved by the driving shaft 203 or manually slid and moved by the release key 123.

The door lock device according to the present invention configured as described above is used as follows.

First, the control unit 100 is installed on the front of a door D that needs to be locked or unlocked, such as a front door or locker, and the unlocking device 200 is installed on the rear side of the door D facing the control unit 100. install

At this time, the operation unit 100 is organically coupled to the dead bolt 204 of the unlocking device 200, so that the dead bolt 204 of the unlocking device 200 is operated by an operation signal operated by the operation unit 100. ) is unlocked.

That is, when a preset pattern of the keypad 110 is input by manipulating the keypad 110 formed on the front of the control unit 100, the signal input to the keypad 110 is transmitted to the drive motor of the unlocking device 200. 202, and at this time, the drive motor 202 rotates the drive shaft 203 in place while being operated.

Then, while the driving shaft 203 is rotated in place, the dead bolt 204 moves backward to enter the housing 201 in the ball screw method, thereby locking the dead bolt 204 that keeps the door D locked. When unlocked, the door D is opened.

Here, when the dead bolt 204 moves backward, the floating spring 203a coupled to the outer circumferential surface of the driving shaft 203 is compressed by the dead bolt 204, and then the dead bolt 204 is moved by the driving shaft 203. When it moves forward and slides to be exposed to the outside of the housing 201, the compressed flow spring 203a pushes the dead bolt 204 outward from the housing 201 by the elastic force to restore it to its original state, and the dead bolt 204 ), the locked state of the door D is maintained.

On the other hand, when damage occurs to the keypad 110 of the control unit 100 due to electrical damage or mechanical defect, the master key M Enter the pin (P) of the master key (M) to release the lock of the manual unlocking unit 120 by the pin (P) of the master key (M), and in that state, move the master key (M) in the left and right directions. By sliding, the deadbolt 204 is unlocked by the master key M.

That is, the unlocking pin 125 provided in the pin insertion hole 121 by entering the pin P of the master key M into the pin insertion hole 121 formed in the unlocking key 123 of the manual unlocking unit 120. ) is pressed, the unlocking pin 125 is moved downward in the pin insertion hole 121, and the lock pin 124 entering the pin insertion hole 121 is pressed downward, thereby pressing the lock pin. 124 is released from the pin insertion hole 121 while being pressed downward by the unlocking pin 125.

At this time, the lock pin 124, which is separated from the bottom of the pin insertion hole 121, enters the guide hole 122a of the base body 122 communicating with the pin insertion hole 121 of the unlock key 123, lock pin 124 ) The lock of the unlock key 125 is released by pressing the elastic spring 124a provided at the lower end and moving the lock pin 124 downward.

Thereafter, after gripping the master key M inserted into the unlock key 123 of the manual unlock unit 120, as the master key M is slid to the left or right, the unlock key 123 While the unlock key 123 is forcibly moved in the left or right direction by the pin P of the master key M entering the pin insertion hole 121 of the dead bolt 204 by sliding, the dead bolt ( 204) into the housing 201 of the unlocking device 200, the lock of the door D is manually unlocked.

On the other hand, after unlocking the door (D), as the master key (K) slides in the opposite direction, the sliding movement of the unlocking key (123) between the base body (122) and the unlocking key (123) As the return spring 126 compressed by is restored to its original state, it pushes the unlocking key 123 back to its original position, so that the pin insertion hole 121 of the unlocking key 123 and the guide hole 122a of the base body 122 are At this time, the lock pin 124 compressed by the elastic spring 124a is lifted and moved upward by the restoring force of the elastic spring 124a and entered into the pin insertion hole 121 of the unlock key 123, The unlocking key 123 is automatically locked.

As described above, by entering the master key (K) into the pin insertion hole (121) of the manual unlocking unit (120) to release the lock, while sliding the master key (K) in the left and right directions, the dead bolt ( 204) to slide and move to unlock the unlocking device 200, the keypad 110 formed on the control unit 100 and the manual unlocking unit 120 are selected and operated to automatically unlock the unlocking device 200. Alternatively, it can be easily unlocked manually, and when the keypad malfunctions due to electrical damage, the manual unlocker 120 can be unlocked with the master key K to unlock the lock manually, and the pin insertion hole 121 After inserting the pin P of the master key K, the lock is unlocked by a simple operation of sliding and moving, so there is no fear that the pin P is bent or damaged by excessive pressure.

The door lock device according to the present invention described above is not limited to the above-described embodiment, and anyone having ordinary knowledge in the field to which the present invention belongs may vary without departing from the gist of the present invention claimed in the following claims. There is a technical spirit to the extent that it can be changed and implemented.

100: control panel 110: keypad
120: manual disassembly 121: pin insertion hole
122: base body 122a: guide hole
123: unlock key 124: lock pin
124a: elastic spring 125: unlocking pin
126: return spring 204: dead bolt
200: unlocking device 201: housing
202: drive motor 203: drive shaft
203a: floating spring D: door
K: Master Key P: Pin

Claims (4)

A control unit 100 fixed to the front of the door D and operated by an external operation to output an operation signal;
Enter the dead bolt 204, which is fixed to the rear surface of the door (D) so as to be symmetrical with the control unit 100 and slidably installed on one side by receiving an operation signal from the control unit 100. a lock unlocking device (200) that unlocks the door (D) by sliding or moving to be exposed to the outside;
In the door lock device consisting of,
The control unit 100,
a keypad 110 formed in plurality at a predetermined interval on the front surface and inputting a signal to the lock unlocking device 200 when a set pattern is input so that the dead bolt 204 is automatically unlocked;
A plurality of pin insertion holes 121 are formed to be slidably installed on the top of the keypad 110 and formed in a plurality at a predetermined interval on the front surface to allow the pin P of the master key K to be inserted, The lock is released by the master key (K) inserted into the pin insertion hole (121), and the dead bolt (204) of the unlocking device (200) moves inward while sliding in the left and right directions. Manual release unit 120 forcibly unlocking the dead bolt 204;
consists of,
The manual disassembly unit 120,
A base body 122 having a hollow shape and having a plurality of guide holes 122a partitioned from each other on the inside thereof;
It is slidably coupled to the front end of the base body 122 and forms a plurality of pin insertion holes 121 communicating with the guide hole 122a to correspond to the guide hole 122a, and the unlocking device 200 ) Doedoe formed to be connected to the dead bolt 204, the release key 123 for sliding the dead bolt 204 by sliding in the left and right directions with respect to the base body 122;
A lock pin 124 inserted into each of the guide holes 122a of the base body 122 and exposed so that one end thereof enters the pin insertion hole 121 of the unlocking key 123 by an elastic spring 124a ;
To the pin (P) of the master key (K) which is slidably inserted into each of the pin insertion holes (121) of the unlocking key (123) and enters the pin insertion hole (121) of the unlocking key (123). an unlocking pin 125 that presses and presses the lock pin 124 so that the lock pin 124 is separated from the pin insertion hole 121 while being pressed by the;
Door lock device, characterized in that consisting of. delete According to claim 1,
The manual disassembly unit 120,
It is formed to have an elastic force between one end of the unlocking key 123 and the base body 122, and is compressed by the unlocking key 123 slidably moved to unlock the dead bolt 204, but returns to its original state. A door lock device characterized in that a return spring 126 is further formed to push the unlocking key 123 by an elastic force to be restored and force the unlocking key 123 to return to its original position. According to claim 1,
The unlocking device 200,
a hollow housing 201;
a drive motor 202 installed on an inner wall of the housing 201 and rotated by receiving a signal from the keypad 110 of the control unit 100;
a drive shaft 203 rotatably installed above the drive motor 202, forming a flow spring 203a on an outer circumferential surface, and rotating in place by receiving rotational power of the drive motor 202;
It is fastened by a ball screw method so as to surround the outer surface of the driving shaft 203, and is slidingly moved to enter the housing 201 inward or to be exposed to the outside of the housing 201 by the driving shaft 203. Dead bolt 204 for compressing and releasing (203a);
Door lock device, characterized in that consisting of.

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