KR20010084987A - Door lock equipment have a reduce gear assembly - Google Patents

Abstract

PURPOSE: A door-lock apparatus with a reduction gear assembly is provided to smoothly perform the opening and shutting operation by minimizing the capacity of a driving motor. CONSTITUTION: A door-lock opens and shuts a door(1) by moving a dead-bolt(11) forward and backward in an automatic or manual manner through a motor(M) which is operated in response to an electrical signal of a controller. The door-lock is rotated by the driving force of the motor(M). The speed of revolution of a reduction rear assembly(100) is reduced and the torque of revolution thereof is increased due to the outer circumference of a pitch is increased as it goes to the end thereof. A jointing gear(200) is rotated with the reduction rear assembly(100). A fan-shaped operating gear(300) moves the dead-bolt(11) in a forward and backward. The reduction rear assembly(100) and the jointing gear(200) are each a spur gear.

Description

DOOR LOCK EQUIPMENT HAVE A REDUCE GEAR ASSEMBLY}

The present invention relates to a door lock mounted on the front door of a house or apartment, and more particularly, to obtain a large rotational force even with a driving force of a small motor by a combination of a plurality of reduction gears provided in a case. The coupling gear meshed with the assembly rotates two wheels by idling to transmit a large force to the fan-shaped actuating gear and the actuating rod that activates the dead bolt before and after by adding acceleration to the large rotational force. The present invention relates to a door lock device equipped with a reduction gear combination for stably operating a dead bolt even in a small motor.

In general, various door lock devices for locking a door by using a dead bolt have been disclosed.

For example, as shown in FIG. 1, Patent Publication No. 2001-0019650 discloses a "digital auxiliary door lock", the contents of which are as follows.

A motor M operated by a drive signal of the microcomputer; A drive gear FG connected to the motor M and a driven gear FG connected through a reduction gear group RG connected to the drive gear MG; A lever shaft LS installed rotatably through the base frame BF to loosely insert the driven gear FG, and connected to an inside handle and a key cylinder to operate a dead bolt DB; It is installed in the lever shaft (LS) is a configuration consisting of a torsion accumulation spring (TS) for receiving the rotational force of the driven gear (FG) to accumulate the torsional force to operate the lever shaft (LS) with the accumulated torsional force.

That is, after the rotational force of the motor M transmitted to each of the driving and driven gears MG FG is accumulated as the elastic force of the torsion accumulation spring TS, the elastic force is returned by the torsion accumulation spring TS. The lever shaft (LS) is operated to cause the dead bolt (DB) to move forward and backward.

In addition, a plurality of micro switches MS are provided around the lever shaft LS to be touched according to the rotational direction of the inside lever IL provided on the lever shaft LS, and to transmit electrical signals. It is to control the operation of.

However, the door lock device has a problem that the deceleration rate is limited compared to the number of revolutions of the motor, so that the capacity of the motor is increased, thereby shortening the life of the battery, thereby increasing user dissatisfaction due to frequent battery replacement.

In addition, if the micro switch, which is frequently touched by frequent operations, fails, there is a problem that frequent troubleshooting is lost to users.

In addition, the worm wheel engaged with the worm gear built in the motor has a problem that the cost of the overall door lock device increases because the manufacturing cost is high.

The present invention has been made to solve the problems described above, the object of the present invention is to minimize the capacity of the drive motor, to facilitate the opening and closing operation of the door lock device.

In addition, another object of the present invention is to minimize the consumption of the battery by the minimized motor as described above to extend the life of the battery.

In addition, another object of the present invention is to control the control means for controlling the operation of each configuration by using a magnetic sensor, so that the failure does not occur, the precise control does not cause the malfunction to the user confidence To give.

In addition, another object of the present invention is to reduce the rotational force of the minimized motor by a plurality of reduction gears of spur gear to facilitate the operation of the door lock with a large torque, that is, a large torque (torque). .

In addition, the low cost of the door lock by the spur gear of low production cost to provide a low cost but excellent product.

1 is a plan view shown for explaining the configuration of a conventional door lock device,

2 and 3 are a perspective view and a plan view for explaining the configuration of the door lock device of the present invention in detail,

4 and 5 are a plan view showing for explaining the connection operation of each gear of the door lock device of the present invention,

6A and 6B are perspective views illustrating a sensing device for controlling the electrical operation of the door lock device according to the present invention.

Figure 7 is a perspective view showing the appearance of the door lock device of the present invention, a) is a view showing a door lock device provided therein, b) is a perspective view showing a remote control device for opening and closing the door by entering a password from the outside.

* Description of the symbols for the main parts of the drawings *

1; door 10; door lock

100; reduction gear assembly 200; coupling gear

210; upper gear 211; first locking projection

220; lower gear 221; second locking projection

230; connector 231; protrusion

300; operating gear 310; operating bush

320; operating rod 400; lock

401; Lock button 410; Locking rod

M; motor

The present invention relates to a door lock for opening and closing the door by reversing the dead bolt automatically or manually by a motor operated by an electric signal of the controller,

The door lock is rotated by the driving force of the motor, and as the driven portion increases the pitch diameter, the rotation speed is reduced, but the reduction torque combination to increase the rotation torque;

The gear is rotated in engagement with the reduction gear assembly, and the upper gear is accelerated by idling two wheels in order to maximize the rotational force of the motor transmitted through the reduction gear assembly, and the lower gear is predetermined by the locking action of the connector provided at the lower side. A connecting gear for interlocking with the parallax of;

An operating rod integrated with the other side by a hinge point to engage with the lower gear and rotate to one side or the other side is hinged, and comprises a fan-shaped actuating gear for moving the dead bolt back and forth.

Hereinafter, with reference to the accompanying drawings illustrating a preferred embodiment of the present invention in detail.

2 and 3 are a perspective view and a plan view showing in detail the configuration of the door lock device of the present invention, Figures 4 and 5 are plan views showing for explaining the connection operation of each gear of the door lock device of the present invention. 6A and 6B are perspective views illustrating a sensing device for controlling the electrical operation of the door lock device of the present invention, and FIG. 7 is a perspective view showing the appearance of the door lock device of the present invention. ) Shows a door lock device provided inside, and b) is a perspective view showing a remote control device for opening and closing a door by inputting a password from the outside. Hereinafter, the same configuration as the conventional configuration will be described with the same name. )

As shown in FIG. 2 and FIG. 3, the structure of the door lock 10 of this invention is demonstrated in detail.

As shown, the door lock 10 of the present invention is basically to fasten each component to the plurality of fastening knobs (KN) formed in the case (10a) with a piece of bolt (PB) which is a conventional fastening means. .

In addition, a battery tray 12 for inserting a known battery (Battery) is provided on the basis of the direction shown, the operation of each configuration of the door lock 10 of the present invention described later on the top of the battery tray 12 It is provided with a PCB (PCB) plate 13 which is a controller for controlling the electrical.

The PC board 13 controls the operation of each component by inputting a program to a CPU (central processing unit) or IC (integrated circuit) (not shown) so that the operation of each component to be described later is smooth.

First, looking at the configuration of the present invention, a gear base 101 made of a conventional metal plate having a predetermined shape is provided, the motor (M) is mounted below the gear base 101.

The first gear 102 is coupled to a motor shaft (not shown) upward of the motor M, and a plurality of reduction gears to decelerate the rotational force of the motor M by the driving force of the first gear 102. Combination 100 is provided.

Referring to the configuration of the reduction gear assembly 100, a second gear 103 is provided on one side of the first gear 102 coupled to the motor (M), the second gear 103 is An upper second gear 103b is integrally formed on an upper portion of the lower second gear 103a meshed with the first gear 102 and the upper second gear 103b having the same standard as the first gear 102. ) Is meshed with the lower third gear 104a of the third gear 104 provided on one side.

In addition, the upper third gear 104b formed on the upper side of the lower third gear 104a is configured to be engaged with the fourth gear 105 formed as a single unit on one side of the first gear 102 to the fourth gear ( It is easy to decelerate by gradually increasing the pitch diameter PCD of the gears meshed with each other up to 105, and the rotational force, that is, the torque, becomes large.

On the other hand, the fourth gear 105 is meshed with the connecting gear 200 provided on one side, the connecting gear 200 is provided with the upper, lower gear 210, 220 of the same standard, the upper gear Reference numeral 210 is engaged with the fourth gear 105. (The configuration and operation of the connecting gear 200 will be described later with reference to FIGS. 4 and 5).

On the other hand, the lower gear 220 provided concentrically on the lower side of the upper gear 210 is meshed with the operation gear 300 of the fan-shaped on one side, the reason that the operating gear 300 is formed in a fan shape Since the operation of the operation rod 320 to be described later to operate the dead bolt 11 within a 90 degree angle is formed in a 90-degree fan shape, accordingly the manufacturing cost of the operating gear 300 is also significantly reduced can do.

Referring to the configuration of the operation gear 300, the hinge point of the operating gear 300 meshed with the lower gear 220, that is, the tubular (actuated) operation bushing 310 serving as the rotation reference is integral The lower end portion 311 is formed in the lower side of the operation bushing 310, the outer diameter is slightly smaller, is inserted into the hinge knob (HK) shown, the end is a closed structure.

A through hole (not shown) is formed at an end center of the lower end 311, and then inserted into the upper end 312 having the same shape as the lower end 311 so as to pass through a piece bolt PB, which is a conventional fastening means. Fastening with the handle (AH) to facilitate the manual operation to be described later.

In addition, the upper end portion 312 formed with a smaller outer diameter like the lower end portion 311 is inserted through the hinge hole 331 formed in the center of the operating bracket 330, the bolt holes 332 formed on both sides of the circumference When the bolt is fastened to the upper end of the locking knob KN formed in the form of (iii), the operating bushing 310 is provided at a position concentric with the hinge knob HK, and the operating bushing 310 is operated by the operating gear 300. Left and right operating rod 320 formed to the other side to facilitate the rotation.

In addition, the operating rod 320 is formed on the other side of the operating gear 300 to move the dead bolt 11 to be described later, front, rear.

The dead bolt 11 penetrates the front end of the dead bolt 11 divided into two first square holes SH1 formed at one side of the case 10a, and operates before and after, and locks a door (not shown). It is to unlock (Lock, Unlock).

In addition, the induction hole (GH) is formed at the rear end of the dead bolt 11 in the form of a long hole, and when the inside of the induction hole (GH) is slid back and forth, the above-mentioned known piece bolt (PB) is fastened.

In addition, a groove 11a is formed between the guide grooves GH so that the operation rod 320 is easily provided at a predetermined step so that the operation rod 320 rotates. The dead bolt 11 is moved to the front or rear depending on the position provided. That is, as described above, the operation gear 300 integrated with the operation rod 320 is rotated by the deceleration of the reduction gear assembly 100 due to the rotation of the motor M and the rotation of the connection gear 200. The dead bolt 11 is moved forward or backward.

The upper side of the groove (11a) is formed with a "c" letter that the magnet holder (MGH) is upward to be provided with a known magnet (磁石), the magnet holder (MGH) is to be described later latch 20 and the locking device 400 Is also formed.

The latch 20 penetrates the latch body 21 through the second square hole SH2 formed at one side of the first square hole SH1, and the magnet holder MGH to the rear of the latch body 21. Is formed integrally, the magnetic material (not shown) is provided downward to facilitate the detection of the first Hall sensor (13a) provided on the upper portion of the PCB.

In addition, a latch bracket 22 fixed to a piece bolt (PB) is provided at an upper portion of the latch body 21, and a spring (not shown) is provided inside the latch bracket 22 to provide the latch body 21. In order to maintain the state of protruding forward), the elastic force acts from the rear and when the door is opened and closed, the latch body 21 is momentarily pushed back by the door frame to protrude again.

At this time, the magnetic material provided in the magnetic holder (MGH) that is pushed back momentarily is to be sensed by the first Hall sensor (13a) formed in the above-described PCB BP (13). That is, to facilitate the selective operation of the selection switch 14 provided on one side of the second square hole (SH2).

For example, when the selector switch 14 is set to the automatic position and the door (not shown) is opened and closed, the rear end of the latch body 21 is flipped back by the door frame and protrudes by the elastic force of the spring. When the magnetic force of the provided magnetic body is sensed by the first hall sensor 13a, the operating gear 300 is automatically operated through the motor M, the reduction gear combination 100 and the connection gear 200 as described above. By operating, it is to be locked by the dead bolt (11).

In addition, the rear of the dead bolt 11 is provided with a locking device 400, the operation of the locking device 400 will be described later in Figures 6 and 7.

4 and 5 are shown to explain in detail the configuration and operation of the connecting gear 200 to transmit the rotational force transmitted through the above-described reduction gear assembly 100 to the operating gear 300. will be.

As shown, as described above, the rotational force decelerated through the first reduction gear 102 to the fourth reduction gear 105 and transmitted to a large torque is transmitted to the operation gear 300 through the connection gear 200. The connection gear 200 is divided into an upper gear 210 and a lower gear 220 on the concentric shaft as described above.

As shown in the side view on one side, the upper first engaging projection 211 is formed in the upper gear 210, the lower second engaging projection 221 is formed in the lower gear 220 does not interfere with each other , Is formed at the intersection.

Between the upper and lower gears 210 and 220 is provided with a connector 230 in which a protruding piece 231 protruding to one side and a circular body in a plane.

As shown in the figure, the body of the connector 230 is provided with a buffer force in the cross-section of the annular, when the rotational force transmitted from the above-mentioned reduction gear assembly 100 to a large torque is primarily transmitted to the upper gear 210, The first and second locking protrusions 211 and 221 push the two sides with the protruding pieces 231 interposed therebetween so that the rotational force of the reduction gear assembly 100 is upper and lower of the connecting gear 200. When transmitted to the operation gear 300 formed in a fan shape through the gears 210 and 220, the operation bushing 310 formed integrally with the operation gear 300 rotates to a hinge point and the operation rod 320 formed on the other side is Move the dead bolt 11 to the rear.

In addition, shown in the lower side, the upper gear 210, which is a feature of the connecting gear 200 of the present invention before the description of the operation of Figure 5 idles two revolutions of the lower gear by the rotational acceleration of the upper gear 210 It is for explaining the transmission of the more reliable rotational force when rotating the 220.

In order to move the dead bolt 11 shown in the forward direction, the motor M rotates in reverse. (Hereinafter, the rotational force transmission process of the reduction gear assembly 100 by the motor is the same, and thus description thereof will be omitted.)

At this time, the upper bolt 210 is also reverse rotation, when the first locking projection 211 pushes one side of the protruding piece 231 of the connector 230 during the first reverse rotation and the second, that is, when the second rotation idle 5, the lower gear 220 is rotated so that the protrusion pieces 231 of the connector 230 are caught between the first and second locking protrusions 211 and 221. The lower gear 220 is a more reliable rotational force is transmitted by the acceleration of the two gears idling the upper gear 210.

In addition, the protruding piece 231 is compressed by the first and second locking protrusions 211 and 221 as described above by the elastic force of the connector 230 in a state in which both sides are separated, and the upper gear ( To mitigate the impact of the acceleration of the rotation 210 is to transmit the rotation force.

The operation of moving the rear side of the dead bolt 11 described with reference to FIG. 4 is also the same as the operation of moving forward. When the door is opened and closed automatically, the above-described operation is repeatedly repeated.

FIG. 6 is for explaining the operation of the PC BP 13 to control the operation of each of the above-described components, which is one of the features of the door lock 10 of the present invention.

The PCB board 13 is provided on an upper portion of a battery tray (not shown), and inside the magnet holder MGH formed in each of the above-described configurations, that is, the latch 20, the dead bolt 11, and the locking device 400. It is provided with a magnet in the, and the PCB (13) is provided with a known Hall sensor (Hall Sensor) for generating an electrical signal by the magnet to control the operation of each configuration.

Briefly, the Hall sensor is a representative of a sensor that detects a magnetic field as a magnetic sensor, and is widely used as an element for constructing a proximity sensor that detects a rapid approach. The magnetic body is in contact with each other by the magnet of the magnet provided in the magnet holder (MGH) in the state of being pushed to each other to send an electrical signal to the PC board 13 to operate the above-described motor.

Meanwhile, three Hall sensors are provided at an upper portion of the PC board 13, and a lower portion of the latch 20 is the first Hall sensor 13a and is provided at an upper portion of the dead bolt 11. The second hall sensor 13b and the third hall sensor 13c are provided above the locking device 400 provided at the rear of the dead bolt 11.

First, the first hall sensor 13a and the second hall sensor 13b operate in association with each other. As shown in (a) of FIG. 7, the selection switch CS in the case 10a of the door lock 10 according to the present invention. ), The latch 20 is retracted by the door frame instantaneously when it comes into contact with the door 1 and protrudes from the latch groove (not shown) formed in the door frame by the spring force provided therein, and returns to its original state. When the electrical signal sensed by the first hall sensor 13a transmits an electrical signal to the PCB plate 13, which is a controller of the present invention, the electrical signal transmitted to the second hall sensor 13b by a set time difference. The signal causes the motor (M) to operate to generate the rotational force leading to the reduction gear assembly 100, the connection gear 200, and the operation gear 300 as described above, and the dead bolt 11 moves forward to be locked. Will be.

When the password is set in the input unit 30 shown in b) to release the dead bolt 11, the upper gear 210 rotates two revolutions at the connecting gear 200 by the rotational force of the motor M as described above. Maximized by the dead bolt 11 will be released by moving backwards.

In addition, when the selection switch CS is manually selected, the dead bolt 11 is not automatically moved by the latch 20, and the number set in the input unit shown in the figure b) is inputted. Thus, the dead bolt 11 is moved forward to be locked, and as described above, the release of the dead bolt 11 by inputting a password into the input unit 30 is the same.

In addition, the locking device 400 provided at the rear of the dead bolt 11 is locked by the locking device button 401 provided in front of the case 10a shown in (a), and only by a person in the room. Operation is possible.

As described above, the dead bolt 11 that is automatically set is locked by moving forward at the same time as closing the door 1, and the person in the room raises the locking device button 401 to the upper locking device 400. Is provided behind the dead bolt 11, the locking rod 410 formed to the inside of the locking device 400 is to be locked by pushing the rear of the dead bolt (11).

The locking device 400 is operated up and down by riding on the inner wall of the case (not shown). Like the dead bolt 11, the induction hole GH formed in the upper and lower sides is formed in the induction hole GH. Inside the GH, the bolt is fastened with the fastening knob (not shown) to guide the upper and lower operations.

The locking device 400 is to allow the locking rod 410 to push the rear of the dead bolt 11, even if it is operated manually or automatically, the lock device 410 is not released until the locking device button 401 is operated indoors. It is because of the function to block the electrical operation of the other configuration by the third Hall sensor (13c) provided in the above-described PCP plate (13).

That is, when the locking device 400 is detected in the third hall sensor 13c, the electric connection is cut off so that the motor M is unduly operated even if a correct password is input from the outside. If it does not operate as described above, the alarm or melody occurs to inform the person outside the lock device 400 is locked only through the person inside the doorbell or other means. 400 can be released.

Without departing from the gist of the invention as claimed in the claims, it is not limited to the specific preferred embodiment anyone of ordinary skill in the art that various modifications are possible, of course, such modifications Is within the scope of the claims of the present invention.

As described above, according to the present invention, the capacity of the driving motor is minimized, and the opening and closing operation of the door lock device is smoothly performed.

In addition, by minimizing the motor as described above, the consumption of the battery is also minimized, thereby extending the life of the battery.

In addition, the control means for electrically controlling the operation of each configuration to prevent the occurrence of a failure by using a magnetic sensor, there is an effect that gives a sense of confidence to the user by making precise control.

In addition, there is an effect of reducing the rotational force of the minimized motor by a plurality of reduction gears made of spur gears to easily operate the door lock with a large rotational force, that is, a large torque.

In addition, by lowering the cost of the door lock by the spur gear having a low production cost, there is an effect of supplying a door lock of low cost but excellent quality.

Claims (5)

In the door lock 10 to open and close the door 1 by moving the dead bolt 11 forward or backward automatically or manually by the motor (M) acting as an electrical signal of the controller, The door lock 10 is rotated by the driving force of the motor (M), the pitch gear diameter is increased toward the driven portion, the rotation speed is reduced, but the reduction torque combination 100 to increase the rotation torque; The gear is rotated by being engaged with the reduction gear assembly 100, and in order to maximize the rotational force of the motor M transmitted through the reduction gear assembly 100, the upper gear 210 is accelerated by idling two wheels at a lower side. A connection gear 200 for interlocking the lower gear 220 with a predetermined parallax by a locking operation of the provided connector 230; The operating rod 320 is hinged to the other side by the hinge point of the operating bushing 310 to engage with the lower gears 220 and 220 and rotate to one side or the other side, and the dead bolt 11 is moved forward and rearward. Door lock device provided with a reduction gear combination characterized in that it comprises a fan-shaped actuating gear 300 to move to. The method of claim 1, The reduction gear combination assembly 100 and the connection gear 200 is a door lock device having a reduction gear combination, characterized in that the spur gear (Spur Gear). The method of claim 1, The connecting gear 200 is provided with a double upper gear 210 and the lower gear 220, the first engaging projection 211 of the upper gear 210 is the lower of the lower gear 220 By intersecting without interference with the second locking projection 221, by interlocking with a predetermined parallax with the protrusion piece 231 protruding on one side of the connector 230 provided between the upper, lower gear 220 therebetween. , Door lock device equipped with a reduction gear combination, maximizing rotational acceleration, cushioning and maximizing rotational force transmission efficiency. The method of claim 3, wherein The connector 230 has an annular cross section and an outer shape, and the protruding piece 231 is provided with at least one, so that the first and second locking protrusions 211 and 221 are cushioned when they are in contact with each other. Door lock device provided with a reduction gear combination, characterized in that. The method of claim 1, The lock device 400 provided at the rear end of the dead bolt 11 is a magnetic material (MG) provided at the upper side when the third hall sensor (13c) to operate when you enter the correct password from the outside to tell that the locked state The door lock device with a reduction gear assembly, characterized in that can be released only by a person.