KR200378846Y1 - Mortise in a door lock - Google Patents

Abstract

The present invention relates to the mortis of the door lock. Mortis of the present invention, the housing is built in the door; A deadbolt assembly that moves between the unlocked position and the locked position in the housing and protrudes from the housing in the locked position and is locked to the door frame; A first spring for elastically supporting the dead bolt assembly in a locked position; The housing is rotatably installed between the first position in the forward direction at the neutral position and the second position in the reverse direction at the neutral position, and the dead bolt assembly is moved from the locked position to the unlocked position as the rotational movement is performed from the neutral position to the first position. A handle shaft having a pressing lever for pressing; A locking lever installed in the housing so as to be rotatable between the locking position and the release position, the locking lever locking the dead bolt assembly in the unlocking position at the locking position and releasing the dead bolt assembly in the unlocking position; A second spring for elastically pressing the locking lever toward the locking position; Automatic locking means for automatically locking the door by allowing the dead bolt assembly to move from the released position to the locked position as the door is closed; And a manual locking means for manually locking the door by allowing the dead bolt assembly to move from the release position to the locked position by rotating the handle shaft from the neutral position to the second position.

Description

MORTISE IN A DOOR LOCK}

The present invention relates to the mortis of the door lock, and more particularly to the mortis of the door lock is very easy to install by having a slim, compact structure.

The digital door lock is configured to operate by pressing a key input button provided outside the door or by using a safety key in which a semiconductor chip is embedded. Such a digital door lock has the advantage of being easy to operate and difficult to unlock, and thus has been used a lot recently.

Such a digital door lock (hereinafter, abbreviated as "door lock") is composed of an outer body installed on the outside of the door, an inner body installed on the inside of the door, and a mortis embedded in the door. In particular, the mortis includes a housing, a dead bolt capable of coming out and coming out of the housing, a lever device for operating the dead bolt according to the operation of the handle, and an automatic locking device for automatically locking the door by detecting whether the door is closed.

On the other hand, since the mortise is built into the door, it should be easy to install by making the size as small as possible. In particular, in recent years, a lot of slim doors are being manufactured, accordingly, the size of the Mortis should be gradually slimmed and compact.

Accordingly, an object of the present invention is to provide a door lock mortis which is very easy to install by having a slim and compact structure.

In order to achieve the above object, the mortis of the door lock of the present invention, the housing is built in the door; A deadbolt assembly that moves between the unlocked position and the locked position in the housing and protrudes from the housing in the locked position and is locked to the door frame; A first spring elastically supporting the dead bolt assembly in a locked position; The housing is rotatably installed between the first position in the forward direction at the neutral position and the second position in the reverse direction at the neutral position, and the dead bolt assembly is released from the locked position by the rotational movement from the neutral position to the first position. A handle shaft having a pressing lever for pressing to a position; A locking lever installed in the housing so as to be rotatable between a locking position and a release position, for locking the dead bolt assembly in the release position at the locking position and releasing the dead bolt assembly at the release position; A second spring for elastically pressing the locking lever in a locking position direction; Automatic locking means for automatically locking the door by allowing the dead bolt assembly to move from the released position to the locked position as the door is closed; And a manual locking means for manually locking the door by allowing the dead bolt assembly to move from the release position to the lock position by rotating the handle shaft from the neutral position to the second position.

Hereinafter, a preferred embodiment of the mortis of the door lock 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 the mortis of the door lock according to the present invention, Figures 2 to 4 is an operation diagram showing the operation of the mortis. First, referring to FIG. 1, the mortis of the present invention includes a housing 10. The housing 10 is embedded in the door 1, and an operating chamber 12 is formed therein.

Meanwhile, the handle shaft 20 is rotatably installed in the operation chamber 12 of the housing 10. The handle shaft 20 penetrates through the operation chamber 12 to protrude to both sides of the housing 10, and the handle 22 is fixedly installed at both ends thereof.

The handle shaft 20 rotates together with the handle 22, and rotates between the first position Q in the forward direction at the neutral position N and the second position R in the reverse direction at the neutral position N. It is configured to.

In addition, the dead bolt assembly 30 is installed in the operation chamber 12 of the housing 10 so as to be movable. Dead bolt assembly 30 is installed so as to move between the locking position (A) of the left side and the release position (B) of the right side, a plurality of dead bolt pieces fixed to the moving plate 32 and the moving plate (32) It consists of 34. In particular, the dead bolt pieces 34 protrude from the housing 10 as the dead bolt assembly 30 moves from the release position B to the locked position A and are locked to the striker installed in the door frame 3.

On the other hand, the dead bolt assembly 30 is elastically supported in the locking position (A) direction by the first spring 36, and thus tries to move in the locking position (A) direction. And dead bolt assembly 30 is moved from the locked position (A) to the release position (B) by a manual operation means.

The manual operation means is composed of a pressure lever 24 fixedly installed on the handle shaft 20. The pressure lever 24 rotates the handle shaft 20 and the handle 22 from the neutral position N to the first position Q while simultaneously rotating the handle bolt 20 to lock the dead bolt assembly 30. Pressurizes to the release position B in A), thus moving the dead bolt assembly 30 from the locked position A to the release position B. FIG.

And the mortise of the present invention is provided with a locking means for locking the dead bolt assembly 30 moved to the release position (B). The locking means includes a locking protrusion 40 protruding from the moving plate 32 of the dead bolt assembly 30 and a locking protrusion 40 of the dead bolt assembly 30 disposed at the release position B. FIG. The lever 42. In particular, the locking lever 42 is installed so as to be rotatable between the locking position (C) and the release position (D), one end is formed with a hook portion 44 for locking by locking the locking projection (40).

The locking lever 42 locks the locking protrusion 40 at the locking position C, and thus locks the dead bolt assembly 30 disposed at the release position B. FIG. And release the locked locking protrusion 40 at the release position D, thus allowing the dead bolt assembly 30 to move from the release position B to the locked position A. FIG.

On the other hand, the locking lever 42 is elastically pressed in the direction of the locking position (C) by the second spring (46). Therefore, the locking lever 42 is always placed in the locking position C unless an external force is applied. And the guide surface 44a is formed in the upper surface of the hook part 44 of the locking lever 42. As shown in FIG. Guide surface 44a naturally permits entry of locking projection 40.

Referring back to FIG. 1, the mortise of the present invention has an automatic locking means that allows the dead bolt assembly 30 to move from the unlocked position B to the locked position A when the door 1 is closed and closed. do.

The automatic locking means is composed of a latch bolt 50 to move between the protruding position (E) protruding from the housing 10 and the pressing position (F) inserted into the housing 10.

The latch bolt 50 is pressed by a striker installed in the door frame 3 as the door 1 is closed and closed, and moves to the pressed position F. The latch bolt 50 moves to the pressed position F while locking the locking lever 42. Pressing in position C to release position D causes the locking lever 42 to allow movement of the dead bolt assembly 30. As a result, as the dead bolt assembly 30 is allowed to move, the dead bolt assembly 30 is automatically locked to the striker installed in the door frame 3 while moving from the release position B to the lock position A. FIG. Here, the latch bolt 50 is elastically pressurized in the direction of the protrusion position (E) by the torsion spring (52).

According to such an automatic locking means, the door 1 is automatically closed by closing and closing the door 1, so that it is locked to the striker installed in the door frame 3, there is no need for a separate operation for locking, so it is very convenient to use.

On the other hand, the mortise of the present invention, the dead bolt assembly 30 moved to the locked position (A) further comprises a movement limiting means for restricting the movement to the release position (B). Movement limiting means is composed of a blocking plate 60 rotatably installed on the handle shaft (20).

The blocking plate 60 rotates between the interference position G and the release position H, and is configured to interfere with the rear surface of the dead bolt assembly 30 at the locked position A at the interference position G. The dead bolt assembly 30 is restrained to retreat from the locked position A to the released position B. FIG. In particular, the dead bolt assembly 30 can be held in the locked position A by preventing the retraction of the dead bolt assembly 30.

The blocking plate 60 fixes the dead bolt assembly 30 to the locked position A, thereby preventing an external unauthorized intruder from manipulating the dead bolt assembly 30 to release the door lock.

On the other hand, the blocking plate 60 is elastically pressurized in the direction of the interference position G by the third spring 62. Therefore, when the dead bolt assembly 30 moves to the locked position A, the blocking plate 60 automatically moves to the interference position G to prevent the dead bolt assembly 30 from retreating.

And the blocking plate 60 is connected to the handle shaft 20 by the interlocking means, and thus, when the handle shaft 20 and the handle 22 are rotated from the neutral position N to the first position Q, Simultaneous rotational movement from the interference position (G) to the release position (H) to allow retraction of the dead bolt assembly (30).

The interlocking means is composed of a slot 64 formed on the blocking plate 60 and a pressing projection 66 formed on the pressing lever 24 so as to fit in the slot 64. In particular, since the pressing projection 66 is formed on the pressing lever 24 fixed to the handle shaft 20 integrally, when the handle shaft 20 is rotated from the neutral position (N) to the first position (Q), While pressing together with the pressure lever 24, one end of the slot 64 is pushed to press, thereby moving the blocking plate 60 from the interference position G to the release position H. As a result, as the blocking plate 60 moves from the interference position G to the release position H, the dead bolt assembly 30 is allowed to retreat.

Referring back to Figure 1, the mortis of the present invention, when the handle shaft 20 and the handle 22 is rotated from the neutral position (N) to the second position (R), the locking position at the release position (B) Manual locking means for allowing the dead bolt assembly 30 to move to (A).

The manual locking means includes a push piece 70 installed to rotate about the handle shaft 20 and an actuating lever 72 rotatably installed on the housing 10 so as to be pressed and pressed by the push piece 70. It is composed of In particular, the operating lever 72 is that the distal end is operatively connected to the other end of the locking lever 42, the operating position in the ready position (I) as pressed by the push piece 70 of the handle shaft (20) While moving to (J), the locking lever 42 is moved from the locking position (C) to the release position (D).

This manual locking means is to rotate the handle shaft 20 and the handle 22 from the neutral position (N) to the second position (R), the locking lever 42 from the locking position (C) release position (D) And the locking lever 42 moves from the locking position C to the release position D to allow movement of the dead bolt assembly 30. As a result, as the dead bolt assembly 30 is allowed to move, the dead bolt assembly 30 is locked to the striker installed in the door frame 3 while moving from the release position B to the lock position A. FIG.

Next, an operation example of the present invention having such a configuration will be described with reference to FIGS. 1 to 4.

First, as shown in FIGS. 1 and 2, the door 1 is closed by closing the dead bolt assembly 30 at the release position B. FIG. Then, the latch bolt 50 of the automatic locking means is pressed by the striker installed in the door frame 3 to move the locking lever 42 from the protruding position E to the pressed position F while releasing the locking lever 42 from the locking position C. (D) and allow the movement of the dead bolt assembly 30 by moving the locking lever 42 from the locking position (C) to the release position (D). As a result, the dead bolt assembly 30 is automatically locked to the striker installed in the door frame 3 while moving from the release position B to the locking position A as the movement is permitted.

On the other hand, in the case of releasing and opening the locked door 1, as shown in Figure 3, the handle 22 and the handle shaft 20 rotates forward from the neutral position (N) to the first position (Q) Let's do it. Then, the pressure lever 24 fixed to the handle shaft 20 also rotates from the neutral position N to the first position Q while the dead bolt assembly 30 is released from the locked position A in the released position B. Retreat to As a result, the door is unlocked and becomes openable.

At this time, the locking protrusion 40 formed on the dead bolt assembly 30 moves together with the dead bolt assembly 30 from the locked position A to the released position B while guiding the surface 44a of the locking lever 42. It is to be pressed, the hook portion 44 of the locking lever 42 is pressed so as to lock the locking projection 40 again. As a result, the dead bolt assembly 30 is locked again in the release position B. FIG.

On the other hand, in the state where the dead bolt assembly 30 is disposed in the release position (B), to manually lock the door 1, as shown in Figure 4, the handle 22 and the handle shaft 20 ) Is reversed from the neutral position (N) to the second position (R). Then, the push piece 70 fixed to the handle shaft 20 also moves the operating lever 72 from the ready position I to the operating position J while rotating in the reverse direction from the neutral position N to the second position R. FIG. And the locking lever 42 connected thereto is moved from the locking position (C) to the release position (D) by moving the operating lever (72) from the ready position (I) to the operating position (J).

As a result, the locking lever 42 allows the movement of the dead bolt assembly 30, whereby the dead bolt assembly 30 moves from the release position B to the lock position A while the door frame 3 is moved. Locked on striker installed on.

In the above described a preferred embodiment of the present invention by way of example, the scope of the present invention is not limited only to this specific embodiment, it can be appropriately changed within the scope described in the utility model registration claims.

As described above, according to the mortis of the door lock according to the present invention, since the configuration is simple, it is possible to slim and compact the device, thereby making it easy to install in the door. In addition, since the configuration is simple, the failure rate is small, and thus the service life is extended. In addition, the door can be locked and unlocked with a single handle, making it very convenient to use.

1 is a cross-sectional view showing the configuration of the mortis of the door lock according to the present invention,

2 to 4 are operation diagrams showing the operation of the Mortis.

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

1: door 3: door frame

10 housing 12 operating chamber

20: handle shaft 22: handle

24: pressure lever 30: dead bolt assembly

32: moving plate 34: dead bolt edition

36: first spring 40: locking protrusion

42: locking lever 44: hook portion

44a: guide surface 46: second spring

50: push button 60: blocking plate

62: third spring 64: slot

66: pressing projection 70: push piece

72: operating lever

Claims (5)

A housing embedded in the door; A deadbolt assembly that moves between the unlocked position and the locked position in the housing and protrudes from the housing in the locked position and is locked to the door frame; A first spring elastically supporting the dead bolt assembly in a locked position; The housing is rotatably installed between the first position in the forward direction at the neutral position and the second position in the reverse direction at the neutral position, and the dead bolt assembly is released from the locked position by the rotational movement from the neutral position to the first position. A handle shaft having a pressing lever for pressing to a position; A locking lever installed in the housing so as to be rotatable between a locking position and a release position, for locking the dead bolt assembly in the release position at the locking position and releasing the dead bolt assembly at the release position; A second spring for elastically pressing the locking lever in a locking position direction; Automatic locking means for automatically locking the door by allowing the dead bolt assembly to move from the released position to the locked position as the door is closed; And a manual locking means for manually locking the door by allowing the dead bolt assembly to move from the release position to the lock position by rotating the handle shaft from the neutral position to the second position. The method of claim 1, It is further provided with a movement limiting means for limiting the movement of the dead bolt assembly in the locked position to the retracted position, The movement limiting means, A blocking plate installed on the handle shaft to rotate between the interference position and the release position, the blocking plate interfering with the rear side of the dead bolt assembly at the locking position to limit the retreat; A third spring for elastically pressing the blocking plate in an interference position direction; It characterized in that it comprises a pressing projection integrally formed on the pressing lever installed on the handle shaft to move the blocking plate from the interference position to the release position as the handle shaft rotates from the neutral position to the first position. Mortis of the door lock. The method according to claim 1 or 2, The automatic locking means, As the door is closed and closed, the door frame is pressed into the door frame and is installed in the housing to elastically move from the protruding position to the pressed position. The locking lever is moved from the locked position to the released position to allow movement of the dead bolt assembly. Mortis of the door lock, characterized in that the latch bolt. The method according to claim 1 or 2, The manual locking means, A push piece installed to rotate about the handle shaft; As the handle shaft is rotated from the neutral position to the second position, it is pressed by the push piece to rotate from the ready position to the operating position, and in the operating position, the locking lever is moved from the locking position to the release position of the dead bolt assembly. Mortis of the door lock, characterized in that consisting of an operating lever to allow movement. The method according to any one of claims 1, 2, and 4, Mortis of the door lock, characterized in that the pressure lever and the pressing projection and the push piece to rotate around the handle shaft integrally configured.