KR20050026744A - Door lock apparatus of electronic type for emergency - Google Patents

Abstract

An emergency electronic door lock apparatus is provided to improve convenience of user by using a rotatory member for rotating a rotatory force transmitter when emergency status is occurred. A locking member(102) is installed on an inner of a door and locks the door or releases the locking condition. An inner body(200) is installed on an inner of the door and contains a battery. An outer body(300) is installed on an external of the door and provided with a keypad(301) for opening the door on a front of the outer body(300). A control circuit is provided inside of the inner body(200) to control an operation of the locking member(102). A driving motor is provided inside the inner body(200) to be driven forwardly and backwardly by the control circuit. A decelerator is provided inside the inner body(200) to reduce rotatory force of the driving motor. A rotatory force transmitter is interlocked with the decelerator and axis-coupled to a locking member operation unit(103) to transmit the rotatory force of the decelerator to the locking member operation unit(103). An end of a forced rotatory member(205) is coupled to a central part of the rotatory force transmitter and the other end is projected to the front of the inner body(200) to rotate the rotatory force transmitter by force based on breaking the other end when emergency status is occurred.

Description

Electronic door lock device for emergency {Door lock apparatus of electronic type for emergency}

The present invention relates to an electronic door lock device, in particular, when the door can not be automatically locked or unlocked in case of emergency, such as battery discharge or drive motor failure, forcibly locking or unlocking the door inside the door. An emergency electronic door lock device is provided.

In general, a door lock device is installed in a door for entering or leaving a room, and a mechanical door lock device and an electronic door lock device are installed in the door lock device, which are separate devices. Perform only relevant functions.

The above-described mechanical door lock device is configured to be locked and unlocked using a lever or a key inside or outside the door, and has an advantage of low cost compared to the electronic door lock device. There is always an inconvenience to carry, if you lose the key is difficult to open the door, there is a risk that others can easily open the door.

Therefore, in recent years, in order to solve the problems caused by the use of the mechanical door lock device as described above, the situation is widely used by installing an electronic door lock device that does not require a key or the like.

The electronic door lock device is used to automatically lock or unlock the door by using a motor or a solenoid. The electronic door lock device is configured to determine an accessor by using a keypad, a fingerprint reader, a card reader, and the like. .

As such, the electronic door lock device provides a higher security than the mechanical door lock device because the accessor authentication process is made electronically and electronically.

The technology for the conventional electronic door lock device having the characteristics as described above has been disclosed in Korean Patent Laid-Open Publication No. 2003-0019541.

The conventional electronic door lock device disclosed in this patent discloses a key bundle 110 installed inside one side of the door to lock or release the door, and an interior installed inside the door in association with the key bundle 110. Body 120, the outer body 130 is installed on the outside of the door in conjunction with the key bundle 110, the keypad 140 for entering a password, and the inner body 120 and the outer body 130 It comprises a handle 122, 132 which is installed to be rotatable in each.

At this time, the latch bolt 114 for maintaining the lock state of the door, the locking member 116 for locking or releasing the door, and the locking member 116 are operated inside the key bundle 110. The driving motor 150 is installed.

On the other hand, the latch bolt 114 is operated by the rotation of the handles 122 and 132 that are rotatably installed on the inner and outer bodies 120 and 130, respectively, regardless of the locking member 116.

However, in the case of the conventional electronic door lock device having the above-described configuration, since the locking member cannot be operated in an emergency such as when the battery for applying power to the drive motor is discharged or the drive motor is broken, the door is locked or Not only do not release the lock state is inconvenient to use, but also when the door can not be locked, there is a fear that outsiders intrude.

Accordingly, the present invention has been made in order to solve the problems caused by the use of the conventional electronic door lock device, when the battery is not discharged or the door can not be automatically locked or unlocked in case of emergency, such as a failure of the drive motor An object of the present invention is to provide an emergency electronic door lock device capable of forcibly locking or releasing the lock from the inside.

Emergency electronic door lock device according to the present invention to achieve the object as described above, is installed inside one side of the door, the locking member for locking the door or unlocking the locking state and the locking member operating mechanism for haunting the locking member Locking body provided with; An inner body installed inside the door and including a battery; An outer body installed at an outer side of the door and having a keypad mounted at the front for inputting a password to open the door; A control circuit unit embedded in the inner body to control the operation of the locking member; A drive motor built in the inner body and driven forward and reverse by the control of the control circuit part; A reducer built in the inner body to reduce the rotational force of the drive motor; And a rotational force transmission unit engaged with the reducer and axially coupled with the locking member operating port to transmit the rotational force of the reducer to the locking member operating port, wherein one end is coupled to the center of the rotational force transmission unit and the other end is forward of the inner body. Protrudes, it is characterized in that it further comprises a forced rotating member for holding the other end in the emergency to force the rotational force transmission.

Hereinafter, the features and the operation of the above-described components through the preferred embodiment of the emergency electronic door lock device according to the present invention will be described in detail.

1 and 2, the emergency electronic door lock apparatus according to an embodiment of the present invention is installed inside one side of the door 2, and a locking member for locking or releasing the locked state of the door 2 ( 102 and the locking bolt 104 is built into the locking main body 100, the inner body 200 is installed on the inside of the door 2, and the outside of the door 2 is installed outside the password It comprises an outer body 300 to be input, and handles 400 and 400 ′ rotatably mounted to the inner body 200 and the outer body 300 to wreak the latch bolt 104.

The locking body 100 described above, as shown in Figure 3, the housing 101 is installed inside one side of the door 2, and is installed in the housing 101 to be protruded to one side to lock the door 2 A locking member 102 for locking or releasing the locking state, a locking member operating tool 103 rotatably installed in the housing 101, and moving the locking member 102 forward and backward, and in one side of the housing 101. The latch bolt 104 is installed to be retractable to maintain the locked state of the door 2, and the latch bolt actuating device 105 is rotatably installed to the housing 101 to move the latch bolt 104 forward and backward. It is composed.

At this time, the end of the locking member 102 is protruded to one side of the housing 101 is inserted into the first latch groove (not shown) formed on the inside of the door frame to lock the door 2, the latch bolt 104 also An end portion protrudes to one side of the housing 101 and is inserted into a second recessed groove (not shown) formed inside the door frame to maintain the closed state of the door 2.

A transmission shaft through hole 1031 is formed at the center of the locking member operating port 103 to be opened to the front and rear of the housing 101 and to which the rotational force transmission shaft 2042 of the rotational force transmission unit 204 to be described later is coupled. Inside the transmission shaft through hole 1031, there is a pair of waste prevention protrusions 1032 engaged with the waste prevention grooves 2045 formed at the ends of the rotational force transmission shaft 2042 to prevent waste of the rotation force transmission shaft 2042. It is formed to face each other.

In addition, a first locking protrusion inserted into the first locking groove 1021 formed at one side of the rear end of the locking member 102 when the locking member 102 is moved forward and backward on the side of the locking member operating port 103. 1033 extends integrally.

Therefore, when the locking member operating port 103 is rotated counterclockwise in the drawing, the first locking protrusion 1033 presses the rear wall of the first locking groove 1021 to move the locking member 102 backward, so that the locking member As the end of the 102 is released from the first latch groove of the door frame, the locked state of the door 2 is released.

On the contrary, when the locking member operating port 103 is rotated in the clockwise direction in the state in which the locking state of the door 2 is released, the first locking protrusion 1033 presses the front wall of the first locking groove 1021. Since the locking member 102 is advanced, the door 2 is locked as the end of the locking member 102 protrudes to one side of the housing 101 and is inserted into the first latch groove.

On the other hand, in the center of the latch bolt operation port 105, the linkage of the square through which the linking shaft 403 for interlocking by connecting the operating shaft 401 (401 ') of the handle 400, 400' will be described later to each other A shaft through hole 1051 is formed.

In addition, at one side of the latch bolt operation port 105, a second locking protrusion 1052 that is caught by the second locking groove 1041 formed at the rear end of the latch bolt 104 when the latch bolt 104 is to be retracted. Protruding integrally, the pressurized protrusion 1053 which is always pressed backward by the elastic force of the first spring 106 protrudes integrally.

Therefore, when the door 2 is not opened, the pressurized protrusion 1053 is pushed backward by the elastic force of the first spring 106 and is always positioned at the rear side. On the contrary, the second catching protrusion 1052 is always located. Since it is located in the front side, the latch bolt 104 is always maintained in the advanced state by the elastic force of the second spring 107 of the rear, the end of the latch bolt 104 is protruded to one side of the housing 101 As the door 2 is inserted into the second latch groove of the door frame, the closed state of the door 2 is maintained.

On the other hand, when the handle 400, 400 'is rotated to release the locked state of the door 2 and open the door 2, the latch bolt operating port 105 rotates clockwise in the drawing, and the second locking stone Since the portion 1052 presses the rear wall of the second locking groove 1041 to the rear, the latch bolt 104 is moved backward, and the end of the latch bolt 104 is separated from the second latch groove so that the user opens the door. Simply pull the door (2) and the door (2) opens.

The inner body 200 described above is controlled by the control circuit unit 201 and the control circuit unit 201 to control the operation of the locking member 102 therein, as shown in FIGS. 1 and 4 to 6. The drive motor 202 for forward and reverse driving, the speed reducer 203 for reducing the rotational force of the drive motor 202, and the rotation force of the speed reducer 203 are engaged with the reduction gear 203 and axially coupled to the locking member operating port 103. Torque to the locking member operating port 103, a forced rotation member 205 capable of forcibly rotating the rotational force transmission unit 204, and applying a power to the drive motor 202 The battery 206 is built in.

At this time, the drive motor 202 and the reducer 203 are fixedly supported by the support 207 on the inner rear surface of the inner body 200, the support 207 is the drive motor 202 and the reducer 203 It is composed of a fixed panel (2071) is fixed, and a plurality of support projections (2072) for supporting the fixed panel 2071 on the inner back surface of the inner body (200).

In addition, the reduction gear 203 is composed of a plurality of pinions 2031, 2032, 2033, 2034 having different diameters, and the drive pulley 2022 is axially coupled to the drive shaft 2021 of the drive motor 202. Since the teeth are joined in the order of increasing diameter while going from the side to the rotational force transmission unit 204 side, the rotational force of the driving motor 202 transmitted to the rotational force transmission unit 204 is sufficiently reduced.

The torque transmission unit 204 is rotated in engagement with the output pinion 2034 of the reduction gear 203, one end of which is mounted at the center of the torque transmission gear 2041, and the other end of which is a locking member operating tool. A rotational force transmission shaft 2042 coupled to the transmission shaft through-hole 1031 of 103, and a pair of extensions 2043 and 2043 'extending from the edges of the rotational force transmission gear 2041 to face each other. It is composed.

At this time, the gear teeth 2044 formed at the edge of the rotational force transmission gear 2041 and engaged with the output pinion 2034 of the reduction gear 203 are formed only on one side of the extension parts 2043 and 2043 '. .

Accordingly, the rotational force transmission gear 2041 is engaged with the output side pinion 2034 of the reducer 203 only within the range of the gear teeth 2044 formed between the extensions 2043 and 2043 '.

In addition, the rotational force transmission shaft 2042 is formed in the form of a hollow tube so that the signal line electrically connecting the control circuit unit 201 and the keypad 301 of the outer body 300 to be described later, the rotational force transmission shaft 2042 At the other end of the plurality of waste prevention grooves 2045 to prevent the waste of the rotational force transmission shaft 2042 by engaging with the waste prevention protrusion 1032 of the locking member operating port 103 is formed, the rotational force transmission shaft 2042 The signal line through-hole 2046 for draining the signal line inside is formed at a predetermined position of one end of

Forced rotating member 205 has one end coupled to the center of the rotational force transmission unit 204 and the other end protrudes outward of the inner body 200, the emergency rotational force such as discharge of the battery 206 or failure of the drive motor 202 By forcibly rotating the delivery unit 204, the door 2 is opened or locked.

At this time, a grip portion 2051 for holding when forcibly rotating the force rotating member 205 is mounted on the outside of the other end of the force rotating member 205, and the grip portion 2051 is formed of a conventional rubber material. .

Then, gear teeth 205a are formed in the longitudinal direction at one end of the outer side of the forced rotating member 205, and inside the one end of the rotating force transmission shaft 2042 of the rotating force transmitting unit 204 of the forced rotating member 205. Gear teeth (not shown) corresponding to the gear teeth 205a formed at one end of the outer periphery are formed, so that one end of the forced rotation member 205 is detachably coupled to one end of the rotational force transmission shaft 2042, Accordingly, one end of the forced rotating member 205 may be coupled to one end of the rotational force transmission shaft 2042 by welding.

The battery 206 is to apply power to each device provided in the inner and outer body 200, 300, is inserted into the battery groove 208 formed in the upper front portion of the inner body 200, the battery groove 208 is shielded by a battery cover 209.

On the other hand, above the rotational force transmission gear 2041, when the rotational force transmission gear 2041 is rotated, each of the extension parts 2043 and 2043 'is sensed, and a signal is sent to the control circuit unit 201 to stop driving of the driving motor 202. A pair of sensing sensors 210 (210 ') for transmitting are installed to the left and right.

Therefore, when the rotational force transmission gear 2041 is engaged with the output side pinion 2034 of the reducer 203 and rotates, the other side sensor is detected when one end of the gear 2020 of the rotational force transmission gear 2041 is engaged with the output side pinion 2034. The driving motor 202 is stopped because the 210 'senses the position of the other extension 2043', and when the other end of the gear 2044 is engaged with the output pinion 2043, the one side sensor ( As the 210 detects the position of the one side extension 2043, the driving motor 202 stops.

In addition, a lock / unlock key 211 is installed at the front portion of the inner body 200 to lock the door or release the locking state by moving the locking member 102 forward and backward in the room. .

In addition, a safety key 212 is installed at an upper end of the inner body 200 to prevent the door 2 from being opened by blocking a key input from the outside, and the safety key 212 is turned on / off ( On / Off) will block the external key input or cancel the blocking state.

On the other hand, the lower front portion and the rear portion of the inner body 200 are formed through holes 213, 214 through which one end of the operating shaft 401 and the linkage shaft 403 of the handle 400 to be described later, respectively.

As described above with reference to FIGS. 1, 7, and 8, the outer body 300 includes a keypad 301 for inputting a password from the outside in the front part, and a handle (described later) in the lower front part and the rear part. Through holes 302 and 303 through which the operating shaft 401 'of the 400' and the other end of the linking shaft 403 pass, are formed, respectively.

At this time, the keypad 301 has a function to inform the completion of the input to the control circuit unit 201 after inputting the password with the numeric key (3011) and the numeric key (3011) when the password is set when the password is set; And a setting key 3012 for a function of locking the door 2 when going out, a start / end key 3013 for notifying the start and end of the password operation, a bell key 3014 for the doorbell function, and the like.

As described above, the handles 400 and 400 ′ are rotatably installed in the through-holes 213 and 302 formed at the front portions of the inner body 200 and the outer body 300, as shown in FIG. 1. The operating shaft 401 (401 ') and the operating shaft 401 (401') formed with fixing grooves (401a), each end of which is coupled to each other and coupled to the interlocking shaft (403), so as to be gripped by hand. Holding portions 402 and 402 '.

At this time, the cross section of the linkage shaft 403 is formed in a square to correspond to the shape of the linkage shaft through-hole 1051 of the latch bolt operating port 105, the fixing groove 401a of the actuating shafts 401 (401 ') ) Also has a rectangular cross-sectional shape.

On the other hand, reference numeral 304 is a cover that shields the keypad 301 of the outer body (300).

Looking at the operation relationship of the emergency electronic door lock device according to an embodiment of the present invention made of a configuration as described above are as follows.

When the user returns home after locking the door 2, the user presses the start / end key 3013 of the keypad 301 mounted on the front of the outer body 300, and then uses the numeric keys 3011. After entering the password, press the start / end key 3013 again.

At this time, when the password matches the password previously input to the control circuit unit 201, the drive motor 202 is operated by the control of the control circuit unit 201, the rotational force of the drive motor 202 is a reduction gear 203 After sufficiently decelerating in), it is transmitted to the locking member operating hole 103 through the rotational force transmission unit 204.

When the driving force of the driving motor 202 is transmitted to the locking member operating hole 103, the locking member operating hole 103 is rotated counterclockwise in the drawing, and the first locking protrusion 1033 is the first locking groove. The locking state of the door 2 is released as the end of the locking member 102 is released from the first latching groove of the door frame by pressing the rear wall of the 1021 to reverse the locking member 102.

At this time, in the process of rotating the rotation force transmission unit 204, the extension unit 2043 (2043 ') extending to the edge of the rotation force transmission gear 2041 rotates within a predetermined range after the detection sensor 210 (210') When detected by), the driving motor 202 is stopped by the control of the control circuit unit 201, and accordingly the rotation of the rotational force transmission unit 204 is stopped, so that the locking member 102 in a reversed state a certain distance Stop reverse.

However, when the password input through the keypad 301 does not match the password previously input to the control circuit unit 201, the driving motor 202 is not driven by the control of the control circuit unit 201, so the locking of the door 2 is performed. The state is not released.

On the other hand, after the lock state of the door 2 is released in response to the password inputted through the keypad 301 in advance with the password inputted in the control circuit unit 201, the user 400 is mounted on the outer body 300 ′), The latch bolt 104 is rotated clockwise in the drawing while the second locking protrusion 1052 pushes the rear wall of the second locking groove 1041 to the rear. Is reversed, and as the end of the latch bolt 104 is separated from the second latch groove, the user only pulls the door 2 to open the door 2.

In order to release the locking state of the door 2 continuously while the user is indoors, the lock / unlock key 211 may be operated, and the safety key 212 may be turned on while the door 2 is locked. In this case, the locking member 102 does not operate even when another person attempts to open the door 2 by operating the keypad 301 outdoors, and the safety key 212 is turned off while the door 2 is locked. A person can open the door 2 by operating the keypad 301 outdoors.

On the other hand, in case of an emergency such as the battery 206 built in the inner body 200 is discharged or the driving motor 202 is broken, the rotating force transmission unit 204 by rotating the forced rotating member 205 inside the door 2 By forcibly rotating), the door 2 is locked or unlocked.

As described above with reference to the accompanying drawings, the emergency electronic door lock device according to an embodiment of the present invention, the present invention is not limited to the embodiments and drawings described in detail in the specification, various modifications within the technical scope of the invention This can be done.

According to the emergency electronic door lock device of the present invention as described above in detail, it is made to forcibly rotate the torque transmission unit using a forced rotating member, so that the door is manually locked in case of emergency such as battery discharge or driving motor failure. In addition, the locking state can be released, so that the inconvenience of the user can be solved, and in an emergency, there is an effect of preventing unauthorized intrusion.

1 is an exploded perspective view of an emergency electronic door lock device according to an embodiment of the present invention.

Figure 2 is a side view showing the installation state of the emergency electronic door lock device according to an embodiment of the present invention.

3 is a cross-sectional view schematically showing the internal structure of the locking body according to the present invention.

Figure 4 is a side cross-sectional view schematically showing the internal structure of the inner body according to the present invention.

Figure 5 is a front sectional view schematically showing the internal structure of the inner body according to the present invention.

6 is a front view of the inner body according to the invention.

Figure 7 is a side cross-sectional view schematically showing the internal structure of the outer body according to the present invention.

8 is a front view of the outer body according to the present invention.

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

1: electronic door lock device 100: locking body

101 housing 102 locking member

103: locking member operating port 104: latch bolt

105: latch bolt operating port 200: inner body

201: control circuit 202: drive motor

203: reducer 204: torque transmission unit

205: forced rotating member 206: battery

207: support 208: battery groove

209: Battery cover 210, 210 ′: sensor

300: outer body 301: keypad

Claims (2)

A locking body installed inside one side of the door and having a locking member for locking the door or releasing the locking state and a locking member operating port for protruding the locking member; An inner body installed inside the door and having a battery built therein; An outer body installed at an outer side of the door, the outer body having a keypad for opening the door by inputting a password; A control circuit unit embedded in the inner body to control an operation of the locking member; A drive motor embedded in the inner body and driven forward and reverse by the control of the control circuit part; A speed reducer built in the inner body to reduce the rotational force of the drive motor; And a rotational force transmission unit engaged with the reducer and axially coupled with the locking member operating port to transmit the rotational force of the reducer to the locking member operating port. One end is coupled to the center of the rotational force transmission portion, the other end is projected toward the front of the inner body, the emergency electronic door lock device further comprises a forced rotation member for holding the other end in case of emergency forcibly rotating the rotational force transmission unit . The emergency electronic door lock device according to claim 1, further comprising a gripping part mounted on an outer side of the other end of the coercive rotating member for gripping during forced rotation.