KR100922344B1 - Mortise lock - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mortise lock device, which is slim, compact, and minimizes mechanical frictional contact with a low failure rate, extended life, and enables electronic control to be adopted in a digital door lock.

The present invention for achieving this object, the housing is built in the door; It is locked to the door frame by elastically returning from the release position inside the housing to the outside locking position, and one side contacting the door frame is inclined so that the door can be moved to the release position by being pressed by the door frame when the door is closed. Dead bolts; Fixing means for fixing the dead bolt returned to the locking position; When the authentication signal is input from the outside of the door, the dead bolt fixed to the locking position is released and at the same time the outside handle and the dead bolt are connected so that the dead bolt can be moved from the locking position to the release position with the outside handle on the outside of the door. Release / connection means; Release / transmitting means for releasing the dead bolt fixed to the locking position at the time of rotating the inner handle of the door and transmitting the rotational force of the inner handle to the dead bolt to move the dead bolt from the locking position to the release position; When the door is opened, the dead bolt fixed to the locking position is released, and when the door is closed, a release / allowing means is provided to allow the fixing means to fix the dead bolt returned to the locking position.

Description

Mortis Lock Device {MORTISE LOCK}

1 is a cross-sectional view showing the configuration of a mortise lock device according to the present invention;

2 is a cross-sectional view taken along the line II-II of FIG. 1;

3 and 4 is an operation diagram showing an operation example of the present invention, a view showing a case of releasing the door by using a button or a safety key and the outer handle from the outside of the door,

5 is an operation diagram showing an operation example of the present invention, a view showing a case in which the door is kept open;

6 is an operation view showing an operation example of the present invention, a view showing a case of closing the open door,

7 is an operation diagram showing an operation example of the present invention, which is a view showing a case of releasing the door by operating the inner handle inside the door.

♣ Explanation of symbols for the main parts of the drawing ♣

10: Housing 14: Outer Handle

16: inner handle 20: first rotating lever

30: 2nd rotation lever 34: 1st push piece

35: second push piece 40: dead bolt

40a: One side of the dead bolt 42: Spring

50: blocking lever 54: spring

60: push lever 62: spring

70: drive means 72: operation plate

74: push lever 80: interference lever

The present invention relates to a mortise lock device, and more particularly, to be slimmed and compact, and very easy to install, and to minimize mechanical frictional contact, so that the failure rate is short, the life is extended, and the electronic control is possible. A mortise lock device employable in a door lock.

The mortise lock device is a locking device incorporated in a door, and includes a housing, a dead bolt and a latch bolt capable of coming in and out of the housing, and a lever device for operating the dead bolt in response to manipulation of a key or a handle.

In particular, the dead bolt is locked to the door frame while protruding from the side of the housing. Therefore, the door is locked. The key and the handle are inserted into the housing and released from the door frame. Thus, the door is released.

However, such a conventional mortise lock device has a disadvantage in that it is very difficult to be incorporated in a door due to its large size and complicated internal structure. In particular, in recent years, a lot of slimmer doors have been gradually manufactured, it is very difficult to incorporate a large size mortise lock device in a slimmed door. Therefore, the size of the mortise lock device must be made slim and compact in accordance with the slimmer door.

In addition, the conventional mortise lock device has a disadvantage in that it is difficult to employ a digital door lock that is electronically controlled because the dead bolt and the latch bolt are operated by a mechanical operation when the key and the handle are operated.

That is, the recent door lock is a digital method of controlling a dead bolt by pressing a key input button provided on the outside of the door or by using a safety key in which a semiconductor chip is embedded. Therefore, there is a problem that it is difficult to adopt a digital door lock with a conventional mortise lock device that is mechanically operated.

In addition, the conventional mortise lock device is a mechanical structure driven by mechanical frictional contact, and thus, when excessive force is applied to the key or the handle, the frictional contact portions of the various levers are damaged or broken. There is a problem of frequent and short lifespan.

Accordingly, the present invention has been made to solve the above-mentioned conventional problems, and an object thereof is to provide a mortise lock apparatus which is very easy to install by having a slim and compact structure.

Another object of the present invention is to provide a mortise lock device that can be employed in a digital door lock by enabling electronic control.

It is still another object of the present invention to provide a mortise lock device having a simple structure and minimizing mechanical operation by improving an internal structure.

It is a further object of the present invention to provide a mortise lock device which has a simple structure and minimizes mechanical operation, thereby preventing frequent failures caused by mechanical operation, and thus extending the life of the device.

In order to achieve the above object, the mortise lock device of the present invention includes a housing embedded in the door; The door frame is locked to the door frame while elastically returning from the release position inside the housing to the outside locking position, and when the opened door is closed, the door frame is contacted with the door frame so as to be pushed by the door frame to move to the release position. Dead bolt and one side is inclined; Fixing means for fixing the dead bolt returned to the locking position; When the authentication signal is input from the outside of the door releases the dead bolt fixed to the locking position and at the same time the outside handle on the outside of the door to move the dead bolt from the locking position to the release position Release / connection means for connecting the dead bolt and the dead bolt; Releases the dead bolt fixed to the locking position when rotating the inner handle inside the door and transmits the rotational force of the inner handle to the dead bolt to move the dead bolt from the locking position to the release position. Release / delivery means; Release / allow means for releasing the dead bolt fixed to the locking position when the door is opened, and allowing the fixing means to fix the dead bolt returned to the locking position when the door is closed. Includes, the release / connection means, the driving means is driven as the authentication signal is input; An actuating plate for moving from a ready position to an actuating position by the driven means; A push lever configured to release the dead bolt by pressing the blocking lever of the fixing means to a release position while being pressed and rotated by the operating plate moving to the operating position; An interference lever installed on the dead bolt so as to be moved to an interference position while being pressed by the operation plate moving to the operation position; A first rotation integrally installed on the central axis of rotation of the outer handle so as to interfere with the interference lever moved to the interference position, and pressurizing the interference lever of the interference position toward the release position as the outer handle is rotated; It characterized in that it comprises a lever.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of a mortise lock apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a cross-sectional view showing the configuration of a mortise lock device according to the present invention, Figure 2 is a cross-sectional view taken along the line II-II of FIG.

1 and 2, the mortise lock device of the present invention includes a housing 10. The housing 10 is built in the door D, and an operating chamber 12 is formed therein.

On the other hand, the operating chamber 12 of the housing 10 has a first rotary lever 20 connected to the central axis of rotation 14a of the outer handle 14, the central axis of rotation 16a of the inner handle 16 and It has a second rotary lever 30 is connected.

The first rotation lever 20 has coupling holes 22 formed at both sides of the shaft center, and the coupling hole 22 has a pair of coupling fingers formed at the rotation center shaft 14a of the outer handle 14. 14b are respectively joined. Therefore, the first rotation lever 20 is integrally connected with the rotation center axis 14a of the outer handle 14.

Since the first rotation lever 20 is integrally connected to the rotational center shaft 14a of the outer handle 14, the first rotation lever 20 is rotated integrally when the outer handle 14 is rotated.

The second rotation lever 30 has a coupling hole 32 formed at the center of the shaft, and the rotation center shaft 16a of the inner handle 16 is fitted into the coupling hole 32 to be engaged. Accordingly, the second rotation lever 30 is integrally connected with the rotation center axis 16a of the inner handle 16.

Since the second rotation lever 30 is integrally connected to the rotation center axis 16a of the inner handle 16, the second rotation lever 30 is rotated integrally when the inner handle 16 is rotated.

Referring again to FIGS. 1 and 2, the mortise lock device of the present invention includes a dead bolt 40 installed in the operating chamber 12 of the housing 10.

Dead bolt 40 is installed so as to move between the locking position (A1) and the release position (A2) of the outer side of the housing 10, and is locked to the door frame (D1) in the locking position (A1), release It is released from the door frame D1 at the position A2.

On the other hand, the dead bolt 40 is always elastically pressed in the direction of the locking position A1 by the spring 42. Therefore, it always returns to the locking position A1 unless an external force is applied.

Since the dead bolt 40 is always returned to the locking position A1, the dead bolt 40 may be caught by the door frame D1 while the open door D is closed. Therefore, one side portion 40a of the dead bolt 40 in contact with the door frame D1 when the door D is closed is inclined to be inserted inward while being pressed by the door frame D1. The bolt 40 allows the door D to be closed despite the door frame D1 being engaged.

And, referring to Figure 1, the mortise lock device of the present invention further comprises a fixing means for fixing the dead bolt 40 returned to the locking position (A1).

The fixing means has a blocking lever 50 rotatably installed in the operating chamber 12 of the housing 10.

The blocking lever 50 rotates between the blocking position C1 and the release position C2, and has the blocking finger 52. As shown in FIG.

The blocking finger 52 supports the back of the dead bolt 40 at the locking position A1 at the blocking position C1. Therefore, the dead bolt 40 to be retracted from the locking position A1 to the release position A2 is restricted. In particular, by limiting the retraction of the dead bolt 40, the dead bolt 40 can be fixed in the locking position A1.

The blocking lever 50 fixes the dead bolt 40 to the locking position A1, thereby preventing an external unauthorized intruder from manipulating the dead bolt 40 to unlock the door D without permission. .

On the other hand, the blocking lever 50 is elastically pressurized by the spring 54 in the blocking position C1 direction. Therefore, the blocking lever 50 tries to limit the retreat of the dead bolt 40 while automatically moving to the blocking position C1 when the dead bolt 40 returns to the locking position A1.

Referring back to FIGS. 1 and 2, the mortise lock device of the present invention, when rotating the inner handle 16, presses the blocking lever 50 to the release position C2 to the locking position A1. It releases the fixed dead bolt 40, and at the same time has a release / transfer means for transmitting the operating force of the inner handle (16) to the dead bolt (40).

The release means may include a second rotation lever 30 and a second rotation lever to press the blocking lever 50 toward the release position C2 in the rotation center shaft 16a of the inner handle 16. It consists of the 1st push piece 34 formed in the 30.

In particular, when the first push piece 34 rotates the inner handle 16, the first lever 34 releases the blocking lever 50 from the blocking position C1 while rotating along with the second rotating lever 30. Pressurize with). Thus, the blocking lever 50 allows the dead bolt 40 to retreat and, as a result, to release the dead bolt 40 from being fixed.

The transmission means includes a second push piece 35 installed on the second rotation lever 30. When the second push piece 35 rotates the inner handle 16, the second push piece 35 interferes with the dead bolt 40. Therefore, the operating force of the inner handle 16 is transmitted to the dead bolt (40).

According to this transmission means, since the operating force of the inner handle 16 is transmitted to the dead bolt 40, the dead bolt 40 to which the operating force is transmitted moves from the locking position A1 to the release position A2 while the door D ) Can be released.

On the other hand, at the time of the rotation operation of the inner handle 16, the time when the first push piece 34 presses the blocking lever 50 rather than the time when the second push piece 35 presses the dead bolt 40 is predetermined. The time difference should be fast.

This is because the first push piece 34 must first press the blocking lever 50 to the release position C2 to release the dead bolt 40 from the first push piece 34 to release the dead bolt 40. This is because the pressure can be pushed in the release position A2.

1 and 2, the mortise lock device of the present invention releases the dead bolt 40 by pressing the blocking lever 50 to the release position C2 when the door D is opened. And, when the door (D) is closed, it is provided with a release / allow means for allowing the movement of the blocking lever 50 to rotate to the blocking position (C1) to fix the dead bolt (40).

The release / allowing means includes a push lever 60 moving between the protruding position E1 outside the housing 10 and the push position E2 inside the housing 10, and the push lever 60 protruding from the protruding position E1. It is composed of a spring 62 which is elastically pressed in the () direction.

In particular, the pressing lever 60 presses the blocking lever 50 to the release position C2 while the door D moves to the protruding position E1 outside the housing 10 as the door D is opened. Thus, the blocking lever 50 can release the dead bolts 40 from being fixed and, as a result, allow the dead bolts 40 to retract when the door D is opened.

And the pressing lever 60 is moved to the pressing position (E2) while being pressed by the door frame (D1) as the door (D) closes, the pressing lever (60) moved to the pressing position (E2) is a blocking lever ( Release the pressure of 50). Therefore, the blocking lever 50 which allows the movement of the blocking lever 50 to rotate to the blocking position C1, and as a result, the blocking lever 50 which moved to the blocking position C1 at the time of closing of the door D is dead bolt 40. FIG. It is possible to limit the retreat of). As a result, the door D is fixed when the door D is closed, and the forced release of the door D is blocked by the door D.

Here, the pressing finger 55 is formed integrally with the blocking lever 50. The pressing finger 55 rotates while being pressed by the pressing lever 60 moving in the protruding position E1. Therefore, the blocking lever 50 is pressed to the release position C2.

On the other hand, the spring 62 for elastically pressing the pressing lever 60 in the protruding position E1 direction should have a greater tension than the spring 54 for elastically pressing the blocking lever 50 to the blocking position C1.

This is because the spring 62 of the pressing lever 60 must have a greater tension than the spring 54 of the blocking lever 50, so that when the door D is opened, the spring 54 of the blocking lever 50 is opened. This is because the pressing lever 60 can be pushed to the release position C2 while being pressed.

Referring back to FIGS. 1 and 2, when the user outside the door D inputs an authentication signal using a button or a safety key, the mortise lock device releases the blocking lever 50 from the release position C2. It is provided with a release means for releasing the dead bolt (40) by pressing with a).

The release means includes a driving means 70 driven as the authentication signal is input, an operation plate 72 moving from the ready position F1 to the operating position F2 by the driven driving means 70, and the preparation means. It is composed of a push lever 74 for pressing the blocking lever 50 to the release position (C2) while being pressed by the operating plate 72 to move from the position (F1) to the operating position (F2) to rotate.

In particular, the push lever 74 allows the blocking lever 50 to release the dead bolt 40 by pressing the blocking lever 50 to the release position C2. Thus, the dead bolt 40 is allowed to retreat.

According to this release means, by allowing the dead bolt 40 to retreat as the authentication signal is input, the user outside the door (D) can operate the dead bolt 40. In particular, it is possible to operate the dead bolt 40 from the locking position A1 to the release position A2. Therefore, the door D can be unlocked.

Here, the drive means 70 of the release means, the screw motor 70a, the screw shaft 70b is integrally installed on the output shaft of the rotary motor 70a, and the screw shaft 70b to be rotated so as to be screwed along the rotating shaft 70b. It consists of a nut 70c fixed to the operation plate 72. In particular, the nut 70c moves the operating plate 72 from the ready position F1 to the operating position F2 while screwing along the screw shaft 70b.

On the other hand, as a modification of the drive means 70, it may be composed of a solenoid (not shown). The solenoid is operated according to the applied power to move the operation plate 72 from the ready position (F1) to the operating position (F2).

Referring back to FIGS. 1 and 2, in the mortise lock device of the present invention, when the user outside the door D inputs an authentication signal using a button or a safety key, the outer handle 14 and the dead bolt 40 are closed. ) Is provided with a connecting means for operatively connecting.

The connecting means includes the driving means 70 driven as the authentication signal is input, and the operating plate 72 moving from the ready position F1 to the operating position F2 by the driven driving means 70. Equipped.

Then, the connecting means is pressed to the operating plate 72 moving from the ready position (F1) to the operating position (F2) to the dead bolt 40 to move from the original position (X1) to the interference position (X2) The first rotation lever 20 installed on the rotation center shaft 14a of the outer handle 14 so as to interfere with the interference lever 80 to be installed and the interference lever 80 moved to the interference position X2. It consists of.

In particular, the first rotary lever 20 is connected to the dead bolt 40 provided with the interference lever 80 by interfering with the interference lever 80 moved to the interference position X2. And it is connected to the dead bolt 40, the dead bolt 40 and the outer handle 14 is connected.

According to such a connection means, by connecting the dead bolt 40 and the outer handle 14 as the authentication signal is input, it is possible to exercise the dead bolt 40 during the rotation operation of the outer handle (14). In particular, it is possible to move the dead bolt 40 from the locking position A1 to the release position A2. Thus, the door D can be unlocked.

Next, an operation example of the present invention having such a configuration will be described with reference to FIGS. 3 to 6.

First, a case in which the door D is to be released by using a button or a safety key from the outside of the door D will be described.

Referring to FIG. 3, a user outside the door D inputs an authentication signal using a button or a safety key.

Then, the driving means 70 is operated, and as the driving means 70 is operated, the operation plate 72 moves from the ready position F1 to the operating position F2. Then, as the operation plate 72 moves from the ready position (F1) to the operating position (F2), the push lever 74 and the interference lever 80 starts to be pressed.

At this time, the push lever 74 is pressed while rotating to press the blocking lever 50 from the blocking position (C1) to the release position (C2). Therefore, the blocking lever 50 releases the dead bolt 40 from being fixed, and the dead bolt 40 from which the fixing is released is in a retractable state.

In addition, the interference lever 80 interferes with the first rotation lever 20 while being pushed to the interference position X2, and the interference lever 80 connects the dead bolt 40 and the outer handle 14.

In this state, as shown in FIG. 4, when the user outside the door D rotates the outer handle 14, the first rotating lever 20 installed in the outer handle 14 rotates and rotates. The first rotary lever 20 presses the interference lever 80. The pressurized interference lever 80 moves the dead bolt 40 from the locking position A1 to the release position A2. As a result, the door D is released as the dead bolt 40 moves from the locking position A1 to the release position A2.

Next, a case in which the door D is maintained in an open state will be described with reference to FIG. 5.

First, when the door D is opened, the dead bolt 40 which has moved to the release position A2 returns to the locking position A1 again due to the restoring force of the spring 42. At this time, the driving means 70 also returns to its original position, and as the driving means 70 returns, the operation plate 72 also returns to the ready position F1, and the interference lever 80 returns as the operation plate 72 returns. ) Also returns to the original position (X1).

On the other hand, when the door D is opened, the pressing lever 60 moves from the pressed position E2 inside the housing 10 to the protruding position E1 outside. At this time, the pressing lever 60 moved to the protruding position E1 presses the pressing finger 55 of the blocking lever 50. In particular, it presses toward a release position C2.

Therefore, the blocking lever 50 is pressed to the release position C2, the pressed blocking lever 50 continues to hold the release position C2, and the blocking lever 50 which holds the release position C2 is Release the dead bolt 40.

As a result, since the dead bolt 40 is released, the dead bolt 40 can be retracted to the release position A2 inside the housing 10 even when the dead bolt 40 is disposed in the locking position A1.

Next, the case of closing the open door (D) with reference to Figure 6 as follows.

First, when the door D is closed, one side portion 40a (see FIG. 2) of the dead bolt 40 is pressed by the door frame D1 to retreat to the release position A2 inside the housing 10. And when the door D is fully closed, it returns to the locking position A1 of the outer side of the housing 10 by the restoring force of the spring 42, and the returned dead bolt 40 is locked to the door frame D1.

On the other hand, in the process of closing the door (D), the pressing lever 60 is pressed to the door frame (D1) while moving from the protruding position (E1) outside the housing 10 to the inner pressing position (E2), in this case, The pressing lever 60 which has been moved to the pressing position E2 releases the pressing of the blocking lever 50.

Therefore, the blocking lever 50 returns to the blocking position C1 from the release position C2, and the blocking lever 50 returned to the blocking position C1 blocks the rear side of the dead bolt 40. As shown in FIG.

In this state, the dead bolt 40 is limited in retreat, and the dead bolt 40 in which the retreat is restricted is fixed. And the fixed dead bolt 40 prevents the forced release of the door (D).

Next, a case in which the door D is to be released by manipulating the inner handle 16 inside the door D will be described.

Referring to FIG. 7, a user inside the door D rotates the inner handle 16. Then, as the second rotary lever 30 installed on the inner handle 16 is rotated, and the second rotary lever 30 is rotated, the first push piece 34 of the second rotary lever 30 moves to the blocking lever ( 50) is pressurized.

At this time, the blocking lever 50 pressurized by the first push piece 34 moves from the blocking position C1 to the release position C2, and the blocking lever 50 moved to the release position C2 is dead bolted. Unlock 40. Thus, retraction of the dead bolt 40 is allowed.

On the other hand, when the user inside the door (D) further rotates the inner handle 16, the second push piece 35 of the second rotary lever 30 presses the dead bolt (40). In particular, it presses from the locking position A1 to the release position A2. Then, the dead bolt 40 releases the door D while moving from the locking position A1 to the release position A2.

Although the preferred embodiments of the present invention have been described above by way of example, the scope of the present invention is not limited to these specific embodiments, and may be appropriately changed within the scope of the claims.

As described above, according to the mortise lock device according to the present invention, since the configuration is simple, it is possible to make the device slim and compact, thereby making it easy to install in the door.

In addition, since the configuration is simple and the mechanical frictional contact is minimized, the failure rate is small and the life is extended. In addition, since the electronic control is possible, there is an effect that can be employed in the digital door lock.

Claims (5)

delete delete A housing 10 embedded in the door D; It is locked to the door frame D1 while returning to the outer locking position A1 from the release position A2 inside the housing 10 and is pressed by the door frame D1 when the door D is closed. A dead bolt 40 moving to the release position A2; Fixing means for fixing the dead bolt (40) returned to the locking position (A1); When the authentication signal is input from the outside of the door D, the dead bolt 40 fixed to the locking position A1 is released and at the same time, the dead bolt to the outer handle 14 of the door D. Release / connection means for connecting the outer handle (14) and the dead bolt (40) to move (40) from the locking position (A1) to the release position (A2); When the inner handle 16 of the door D is rotated, the dead bolt 40 fixed to the locking position A1 is released, and at the same time, the rotational force of the inner handle 16 is adjusted to the dead bolt (D). A release / transmitting means for transferring the dead bolt 40 from the locking position A1 to the release position A2 by transferring it to 40; When the door D is opened, the dead bolt 40 fixed to the locking position A1 is released, and when the door D is closed, the dead bolt returned to the locking position A1 ( And release / allow means for allowing the fastening means to be fixed; The fixing means is installed in the housing 10 to rotate between the blocking position C1 and the release position C2, and from the blocking position C1 to the unlocking position A2 from the locking position A1. A blocking lever (50) for limiting the dead bolt (40) to be moved and allowing the dead bolt (40) to move from the locking position (A1) to the release position (A2) at the release position (C2); When the dead bolt 40 returns to the locking position A1, the blocking lever 50 is moved toward the blocking position C1 so that the dead bolt 40 can be fixed while automatically returning to the blocking position C1. A spring 54 for elastically pressing; The release / connection means may include: driving means 70 driven as an authentication signal is input; An operating plate 72 which is moved from the ready position F1 to the operating position F2 by the driving means 70 driven; Push to release the dead bolt 40 by pressing the blocking lever 50 of the fixing means to the release position (C2) while being pressed and rotated by the operating plate 72 moving to the operating position (F2) A lever 74; An interference lever (80) installed on the dead bolt (40) to be pressed to the operating plate (72) moving to the operating position (F2) and to move to an interference position (X2); It is integrally installed on the center of rotation shaft 14a of the outer handle 14 so as to interfere with the interference lever 80 moved to the interference position (X2), the outer handle 14 by rotating the Mortis lock device characterized in that it comprises a first rotary lever (20) for pressing the interference lever 80 of the interference position (X2) in the release position (A2) direction. The method of claim 3, wherein The release / delivery means, A second rotating lever (30) integrally installed on the central axis of rotation (16a) of the inner handle (16); As the inner handle 16 is rotated, the second rotating lever 30 can release the dead bolt 40 by pressing the blocking lever 50 of the fixing means to the release position C2. A first push piece (34) installed at the; As the inner handle 16 is further rotated, the second push piece installed on the second rotation lever 30 to press the dead bolt 40 from the locking position A1 to the release position A2. Mortis lock device comprising (35). The method of claim 3, wherein The release / allowing means, When the door D is opened, the dead bolt 40 of the locking position (A1) by pressing the blocking lever 50 of the fixing means to the release position (C2) while elastically moving out of the housing (10). ) To unlock, When the door D is closed, it is pressed by the door frame (D1) to release the pressing of the blocking lever 50 by pressing the allowable to fix the dead bolt 40 of the locking position (A1) Mortis lock device comprising a lever (60).

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