KR101590978B1

KR101590978B1 - Door lock for Mortise and Door lock device provided with this

Info

Publication number: KR101590978B1
Application number: KR1020140188400A
Authority: KR
Inventors: 최명락
Original assignee: 최명락; 최영
Priority date: 2014-12-24
Filing date: 2014-12-24
Publication date: 2016-02-11

Abstract

The present invention relates to a deadbolt, a door lock motor with a latch bolt, and a door lock device having the door bolt. More particularly, the present invention relates to a latch bolt that can smoothly operate the latch bolt when the door is closed, And more particularly, to a door lock motor for preventing a motor from being damaged due to an overload of a motor due to an abnormal operation during a door lock operation and a door lock device having the same.
Such a door lock motus according to the present invention is characterized in that in the door lock motice including a dead bolt, a latch bolt and a trigger bolt, the trigger bolt is used to adjust the position of the guide link for the latch of the latch bolt when the door is opened and closed Latch bolt position setting means; And a motor protection means comprising a clutch spring provided to protect the motor when the motor is overloaded to operate the dead bolt.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a door lock device,

The present invention relates to a deadbolt, a door lock motor with a latch bolt, and a door lock device having the door bolt. More particularly, the present invention relates to a latch bolt that can smoothly operate the latch bolt when the door is closed, And more particularly, to a door lock motor for preventing a motor from being damaged due to an overload of a motor due to an abnormal operation during a door lock operation and a door lock device having the same.

Generally, a door lock device is provided on the door to control the entrance and exit, and a door lock device is provided on the door lock device.

The door lock mothis includes a housing provided in a door, a latch bolt provided in the housing and adapted to be locked or unlocked by a handle (handle) provided on the indoor / outdoor side to lock / unlock the door, And a dead bolt for locking or unlocking the door by moving forward and backward by a key or button of the door and a door handle and a trigger bolt for detecting the open or closed state of the door.

In the door lock motor, the deadbolt is normally moved backward by the key or opening signal on the outdoor side so that the locked state is not released by the handle located on the outdoor side. On the indoor side, So that the locked state can be released.

In the related art related to the door lock motris and the door lock device having such a door lock device, various techniques are provided and in use in addition to the patent literature which is the attached prior art document.

(KR) Patent No. 10-0602758, Mortis Lock Assembly (KR) Patent No. 10-0728658, Mortis Lock having a double release function, (KR) Patent Literature 10-0875296, Mortise Lock Latch Bolt and Mortis Lock having the same, (KR) Patent Literature 10-1467284 discloses an operation device of a latch bolt fixing lever, and a Mortise structure capable of priority transfer of a dead bolt.

(KR) Patent No. 10-0602758 (KR) Patent No. 10-0728658 (KR) Patent No. 10-0875296 (KR) Patent No. 10-1301248 (KR) Patent No. 10-1467284

SUMMARY OF THE INVENTION It is an object of the present invention to provide a more improved door lock motris for a door lock motor which has been provided and used in the past, and a door lock apparatus having the same.

That is, in the door lock motoris according to the present invention, the latch bolt protruding from the closed state when the door is open can be smoothly introduced into the housing, while the latch bolt in the protruding state is not operated by the user, And a door lock device having the door lock device.

It is another object of the present invention to provide a door lock motor for preventing the motor from being damaged when the (electric) motor is forcibly driven when an unexpected operation such as an unexpected motion of the dead bolt or an obstacle occurs, and a door lock apparatus having the same .

In order to achieve the above object, the present invention provides a door lock motice including a dead bolt, a latch bolt, and a trigger bolt, wherein the trigger bolt is used to open and close a door Latch bolt positioning means for adjusting the link position; An inner rotating body installed to move the dead bolt back and forth along the rotating direction, an inner rotating body provided so as to have a idling section inside the large gear which is connected to the motor and rotates about the key axis as a center of rotation, And motor protection means for protecting the motor by interrupting the power transmission when the motor is overloaded. The clutch spring is provided so as to surround the outer circumference of the key shaft and has recesses and protrusions inserted in the groove for the clutch provided inside the inner rotor so that the key shaft rotates when the large gear rotates, And when the load is overloaded, the concavity and convexity is separated from the groove for the clutch to cause a slip phenomenon, thereby blocking power transmission.

The door lock motor according to the present invention has a dead bolt and a short shaft inserted in a latch guide groove provided in a side surface portion of the housing and guided in the latch guide groove in a door lock motor which includes a dead bolt and a latch bolt and a trigger bolt A latch guide link which is coupled to the latch head by a pin at the other end opposite to the short axis; A pressing lever portion which rotates about a hinge axis for a latch clamp when the limit heel provided on the limit heel shaft rotated by the handle rotates and presses the minor axis of the latch guide link during rotation, A latch bolt including a latching clamp,
And a lock bolt for a latch provided on one side of the trigger shaft which contacts the latch when the door is opened,
The latch guide groove for guiding the minor axis is divided into a latch fixing portion formed in a vertical direction orthogonal to the moving direction of the latch bolt and a latch operation portion connected to the latch fixing portion and formed to be inclined with respect to the moving direction of the latch bolt And,
The short axis of the guide link for latching when the door is closed is located at the latch fixing portion and the minor axis of the latching guide link by the pressing lever portion of the latch clamp when the limit heel shaft is rotated by using the handle, To move to the lower part.

A dead rotating link fixedly mounted on a key shaft for moving the dead bolt forward and backward; An idler gear provided on the key shaft and engaged with a pinion gear provided in the motor; And a clutch spring provided between the key shaft and the large gear to protect the motor when the motor shaft is overloaded.

In addition, a torsion spring may be further provided to facilitate the rotation of the dead link, so that the dead bolt can be moved quickly when the dead bolt is retracted.

Wherein an inner rotating body is provided between the idler and the clutch spring, a idling section is provided between the idler and the inner rotating body, a clutch groove is provided on the inner peripheral surface of the inner rotating body, It is possible to prevent damage to the motor which may occur when an abnormality occurs due to the provision of the recesses inserted in the groove.

According to the present invention, the door lock motor and the door lock device having the door lock have the advantage that the latch bolt can be smoothly operated by the latch bolt positioning means according to the opening and closing states of the door. That is, the position of the guide link for the latch of the latch bolt is adjusted according to the opening and closing states of the door, so that the latch bolt can be smoothly operated.

In addition, when the deadbolt is advanced, the motor can be prevented from being damaged by the motor protecting means even when an unfinished operation or an abnormal phenomenon such as an obstacle occurs. That is, when the dead bolt moves forward, an unfinished operation or an abnormal phenomenon such as an obstacle occurs, the damage of the motor can be prevented by the clutch spring provided between the key shaft and the large gear.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic view showing a separate view of a door lock motor according to an embodiment of the present invention; Fig.
2 and 3 are perspective views showing the inside of a door lock motor according to an embodiment of the present invention.
4 and 5 are schematic views showing the interior of a door lock motor according to an embodiment of the present invention.
6 is a schematic view of a latch bolt positioning means which is a main part of a door lock motis according to an embodiment of the present invention;
7 is a front schematic view showing the interior of a door lock motor according to an embodiment of the present invention;
8 is a front schematic view of a portion of the latch bolt positioning means which is a main part of the door lock motice according to an embodiment of the present invention;
9 is a schematic view of a portion of the latch bolt positioning means which is a main portion of a door lock motor according to an embodiment of the present invention;
10 is a schematic view of a main part of a door lock motor according to an embodiment of the present invention;
FIG. 11 is a schematic view of a motor protecting means portion which is a main part of a door lock motor according to an embodiment of the present invention; FIG.

It is to be understood that the terms and words used in the present specification and claims should not be construed as limited to a conventional or dictionary sense and that the configurations shown in the embodiments and drawings described herein are only the most preferred embodiments of the present invention It is to be understood that the invention is not limited to the specific embodiments disclosed herein, and that various equivalents and modifications may be made thereto without departing from the scope of the present invention.

A door lock motoris according to the present invention is a door lock device installed on a door to perform a locking function.

The door bolt for locking and unlocking the door is provided in the housing and is moved forward and backward by a separate key or button and an inward door handle. A latch bolt for locking or unlocking the door by forward and backward movement by a handle (a handle) provided on the indoor and outdoor sides, a trigger bolt for detecting the open or closed state of the door, A latch bolt positioning means for adjusting a position of a guide link for a latch of the latch bolt when opened and closed, and a motor protecting means comprising a clutch spring provided to operate the dead bolt to protect the motor during overloading .

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Referring to Figures 1-5,

The door lock motor according to the present invention comprises a housing 10 having a side portion 10a provided at one side of a door and having a plurality of guide grooves, A trigger bolt (40) provided in the housing (10) and configured to move forward and backward to check the opening and closing states of the door, and a trigger bolt (40) (Electric) motor 60 for causing the dead bolt 20 to advance and retract in response to an electrical signal, and a dead rotating shaft (not shown) connected to the dead bolt 20, A large gear 62 that receives power from the motor 60 and transmits the power to the key shaft 70 and a large gear 62 that is connected between the large gear 62 and the key shaft 70, And a clutch spring 64 for protecting the motor 60 in an overload state. And a latch bolt positioning means for adjusting the position of the latch guide link 32 of the latch bolt 30 when the door is opened and closed by using the trigger bolt 40. [

The housing 10 is installed on one side of the door and includes a plurality of guide grooves for allowing the dead bolts 20 and the latch bolts 30 to move back and forth in the side portions 10a, And a latching guide groove 11 for guiding a short shaft 32b provided in the latching guide groove 32. The latching guide groove 11 has a latching recessed portion 32b, And a latch operating portion 11b in which the short axis 32b is positioned in the door open state (see Figs. 1, 7, and 8).

The latch fixing portion 11a is formed in a vertical direction orthogonal to the moving direction of the latch bolt 30 and the latch operating portion 11b is inclined with respect to the moving direction of the latch bolt 30. [

The dead bolt 20 is provided in the housing 10 to move back and forth along a guide groove provided in the side portion 10a to lock or unlock the door.

The dead bolt 20 is provided with a protrusion 21a for detecting the position of the dead bolt 20 so that the dead bolt 20 can be detected by the dead sensor S1, Rearward direction in accordance with the rotating direction of the dead rotating link 71 located on the rear side of the other side of the rotating shaft 21.

The dead rotating link 71 is provided with a torsion spring 20a for facilitating rotation and the torsion spring 20a is provided with an instantaneous dead link rotary link 71 that goes off (passes) So that the user can perform a quick reverse operation.

The dead sensor S1 includes a dead position sensor Sa for allowing the dead head portion 21 to confirm a forward (locked) state or a backward (unlocked) state of the dead head portion 21, (Sb1, Sb2) for sending a stop signal for stopping the motor (60) in order to shut off the drive of the motor (60) in the forward or backward (unlocked) state.

The latch bolt 30 is provided in the housing 10 like the dead bolt 20 described above so as to be locked or unlocked by moving back and forth along a guide groove provided in the side portion 10a, The bolt 30 is rotated by the latch clamp lever 51a provided on the limit shaft 50 rotated by the handle (handle), and is retracted. When the door is opened and closed, And then advanced again by the latch spring 30a.

The latch bolt 30 includes a latch head 31 formed of a first latch 31a and a second latch 31b which are inserted into the housing 10 and rotate about the rotational axis of the latch, A latch guide link 32 coupled to the rear of the latch head 31 by a pin 32a and having a short shaft 32b inserted into the latch guide groove 11; A push lever portion 33b which is located at the rear of the latch guide link 32 and pivots about the latch clamp rotary shaft 33a and which is located above the short shaft 32b and presses the short shaft 32b when rotating, And a latching lock stopper 43 provided on the trigger bolt 40 which advances when the door is opened to allow the pressing lever portion 33b to be positioned at a predetermined position of the short axis 32b, A latch clamp 33 composed of a latch 33c and a drive pin 33d provided to be operated by a latch clamp lever 51a provided on a limit shaft 50; And a latch spring 30a elastically supporting the latch head portion 31 so as to protrude outside the housing 10 (see FIGS. 4 and 5).

The configuration of the latch clamp 33 limits the position of the short shaft 32b provided on the latch guide link 32 by the latch lock stopper 43 provided on the trigger bolt 40 in the open and closed state of the door The position of the short shaft 32b provided on the latch guide link 32 is not limited in the closed state of the door so that the short shaft 32b is engaged with the latch guide groove 11 7), the latching portion 33c comes into contact with the latching lock stopper 43 so that the pushing lever portion 33b contacts the shorting axis 32b in the opened state of the door So as to be located in the operation section 11b (see FIG. 8).

The trigger bolt 40 is configured to detect the opening and closing states of the door and includes a trigger head portion 41 projecting outwardly of the housing 10, A trigger spring 40a for resiliently supporting the trigger head 41 so as to protrude out of the housing 10 and a trigger spring 40a provided on one side of the trigger shaft 42 And a latch lock stopper 43 for holding the latch portion 33c in contact with the latch portion 33c when the door is opened.

The trigger sensor S2 is provided at the rear of the trigger shaft 42 to contact the trigger shaft 42 when the door is closed to allow the control unit to confirm the closed and opened state of the door.

A limit clamp lever 51a for actuating the latch clamp 33 so as to operate the latch bolt 30 is provided on the limit shaft 50 rotated by the handle (the handle) A limit heel 51 having a rotary link lever 51b for operating the dead link rotary link 71 is provided so that the dead bolt 20 can be operated.

The latch clamp 33 and the dead link 70 are operated by the latch clamp lever 51a and the rotary link lever 51b during the rotation of the limit heel 51 so that the dead head portion 21 and the latch The head 31 is retracted so that the rotating link lever 51b operates the dead rotating link 71 first so that the dead head portion 21 is operated first.

The motor 60 drives the dead bolt 20 by receiving an electrical signal from a control unit (one of the components constituting a door lock device) and includes a pinion gear 61 meshing with the large gear 62, .

An inner rotating body 63 is provided on the inside of the large gear 62 and a key shaft 70 on which a dead rotating link 71 is fixed is located on the inner side of the inside rotating body 63 , And a clutch spring (64) for enclosing the key shaft (70) is installed between the inner rotor (63) and the key shaft (70).

An idling section A is provided between the large gear 62 and the inner rotating body 63. The idling section A includes a first contact protrusion 62a formed on the inner peripheral surface of the large gear 62, And a second contact protrusion 63a formed on the outer peripheral surface side of the inner rotating body 63 (see Fig. 11).

The idling section A is configured to prevent the large gear 62 from rotating to the motor 60 forcibly when the handle (handle) is operated.

The inner rotating surface of the inner rotating body 63 is provided with a clutch groove 63b and the clutch spring 64 is provided with projections and depressions 64a inserted in the clutch groove 63b, 64) transmits power in the steady state and does not transmit power in the non-steady state.

That is, the clutch spring 64 is provided to prevent the (electric) motor from being forcibly driven and broken when the dead bolt 40 is advanced or an abnormal phenomenon such as an obstacle occurs, The unevenness 64a is released from the clutch groove 63b when an overload is generated and the unevenness 64a is separated from the inner rotating body 63 by the rotation of the normal timing shaft 70. [ It is possible to prevent slippage between the clutch spring 64 and the key shaft 70 and to prevent the power from being transmitted to the key shaft 70 from the large gear 62 side (See FIG. 11).

A dead rotating link 71 is provided on one side of the key shaft 70. The dead rotating link 71 is provided with a torsion spring 20a for moving the dead bolt 20 backward and a dead bolt 20 A dead link 71a to be addressed is provided.

The torsion spring 20a first rotates the dead rotating link 71 by a predetermined amount to help the instantaneous dead rotating link 71 move off the predetermined interval (dead hanging jaw) (See FIG. 10).

10: housing 11: latch guide groove
11a: latch fixing portion 11b: latch operating portion
20: dead bolt 20a: torsion spring
21: dead head part
30: latch bolt 30a: latch spring
31: latch head part 32: guide link for latch
33: latch clamp
40: Trigger bolt 40a: Spring for trigger
41: Trigger head part 42: Trigger shaft
43: Lock stopper for latch
50: Limit heel shaft 51: Limit heel
51a: Lever for latch clamp
60: motor 61; Pinion
62: Large gear 63: Inner rotating body
64: Spring for clutch
70: key shaft 71: rotating link for dead
S1: dead sensor S2: trigger sensor

Claims

In a door lock motice including a dead bolt, a latch bolt and a trigger bolt,
Latch bolt positioning means for adjusting the position of the guide link for latching of the latch bolt when the door is opened and closed by using the trigger bolt;
An inner rotating body installed to move the dead bolt back and forth along the rotating direction, an inner rotating body provided so as to have a idling section inside the large gear which is connected to the motor and rotates about the key axis as a center of rotation, And motor protection means for protecting the motor by interrupting the power transmission when the motor is overloaded. On the other hand,
The clutch spring is provided so as to surround the outer periphery of the key shaft and is provided in the groove for the clutch provided inside the inner rotor so as to transmit the power so that the key shaft rotates when the large gear rotates, And the slip phenomenon is generated by separating the concave and convex from the groove for the clutch, thereby blocking power transmission.

In the door lock motice including the dead bolt 20, the latch bolt 30 and the trigger bolt 40,
And a short shaft 32b inserted in the latch guide groove 11 provided in the side surface of the housing 10 and guided to the latch guide groove 11. The latch head 31 is provided at the other end opposite to the short axis A guide link 32 for a latch coupled to the pin 32a; When the limit heel 51 provided on the limit heel shaft 50 rotated by the handle rotates about the hinge shaft 33a for the latch clamp and the short axis 32b of the latch guide link 32 is rotated A latch bolt 30 having a latching lever portion 33b for pressing and including a latch clamp 33 having a latching portion 33C opposite to the pushing lever portion 33b,
And a trigger bolt (40) including a lock lock stopper (43) provided on one side of the trigger shaft (42) that contacts the latch portion (33C) when the door is opened,
The latch guide groove 11 for guiding the short shaft 32b includes a latch fixing portion 11a formed in a vertical direction orthogonal to the moving direction of the latch bolt 30, And a latch operating portion 11b formed to be inclined with respect to the moving direction of the latch bolt 30,
The short axis 32b of the latch link 32 at the time of the closing of the door is located at the latch fixing portion 11a and the limit lever shaft portion 50 of the latch lever 33 (32b) of the latch guide link (32) is moved from the latch fixing portion (11a) to the latch operating portion (11b) by means of the bolts (33a, 33b).

3. The method of claim 2,
A dead rotating link 71 fixed to a key shaft for moving the dead bolt forward and backward;
A large gear 62 provided on the key shaft and meshed with a pinion gear provided in the motor;
And a clutch spring (64) provided between the key shaft and the large gear to protect the motor when the motor shaft is overloaded.

The method of claim 3,
Further comprising a torsion spring (20a) for supporting the rotation of the dead link for quick movement of the dead bolt when the dead bolt moves backward.

The method of claim 3,
An inner rotating body 63 is provided between the idler and the clutch spring,
An idling section (A) is provided between the idler and the inner rotating body,
Wherein a clutch groove (63b) is provided on an inner circumferential surface of the inner rotary body, and a recess (64a) provided in the clutch groove for the clutch spring is provided.

A door lock apparatus comprising a door lock motor according to any one of claims 1 to 5.