KR20090009954U - Door lock having hook - Google Patents

Abstract

The present invention discloses a door lock device provided with a fixed hook. The constitution of the present invention is a door lock device that locks and unlocks the dead bolt of the Mortis body to the striker fixed to the door frame, and is fixed to the mortise body so as to be rotatable. lever; And a fixed hook that is drawn out of the dead bolt when the dead bolt is introduced into the striker and is fixed to the inner wall of the striker. The present invention is characterized in that the fixing hook is fixed to the inner wall of the striker to increase the fixing force of the door lock so that the dead bolt locked to the striker is not easily released by external force.

Description

Door lock device with fixed hook {DOOR LOCK HAVING HOOK}

The present invention relates to a door lock device provided with a fixed hook, and more particularly to a door lock device provided with a fixed hook is drawn in the dead bolt and fixed to the inner wall of the striker when the dead bolt is introduced into the striker.

In general, the door is provided with a door lock device for restricting unauthorized entry and exit of the outsider.

Brief description of such a door lock device is as follows.

1 is a view showing a conventional door lock device. 1, the housing 1 is installed in the door (D); A dead bolt 3 installed to move between the locking position A outside the housing 1 and the release position B inside the housing 1; And a drive motor 5 for transferring the dead bolt 3 between the locking position A and the release position B.

The dead bolt 3 moves from the release position B inside the housing 1 to the locking position A outside the housing 1 while the locking hole 7a of the striker 7 provided in the door frame D1. Locked on. Accordingly, the door D is locked to the door frame D1.

In addition, the dead bolt 3 is guided by the guide protrusion 8 provided in the housing 1 and moves between the locking position A and the release position B. FIG.

By the way, such a conventional door lock device, the outside intruder inserts a tool or the like between the door (D) and the door frame (D1), and then forcibly opens the door (D) and the door frame (D1), through the gap that is open There was a problem that the dead bolt (3) by forcibly exercising it can be freed (解 停; aka presser foot pull).

The present invention has been made by the above-described needs, and an object thereof is to provide a door lock device having a fixed hook to prevent the dead bolt of the door lock device from being forcedly flowed from the striker while locked to the striker.

In addition, the present invention has another object to provide a door lock device is provided with a fixed hook fixed to the striker inside the dead bolt is provided with a fixed hook simplified structure.

According to one embodiment of the present invention for achieving the above object, as a door lock device that is locked and unlocked by the dead bolt of the Mortis body is drawn in and drawn out to the striker fixed to the door frame, it is fixed to the mortis body rotatable A dead bolt driving lever sliding the dead bolt to one side; And when the dead bolt is introduced into the striker, there is provided a fixed hook including a fixing hook which is drawn in the dead bolt and fixed to the inner wall of the striker.

In the above configuration, the fixing hook may be formed with a guide slit of the end bent upward by a predetermined length.

In the above configuration, the first bolt is formed in the dead bolt in the longitudinal direction, the fixing pin of the fixed hook is coupled to the first slit to limit the sliding of the fixed hook, the dead bolt of the lower portion of the first slit A second slit is formed therein and a fixing pin may be formed in the dead bolt to penetrate the second slit and the guide slit.

In the above configuration, a stopper may be provided on the upper surface of the mortise body to limit the rotation angle of the dead bolt driving lever.

In the above configuration, the stopper is made of an elastic material, and bent portions protruding downward may be formed at both ends.

According to the present invention, the fixing hook is fixed to the inner wall of the striker so that the dead bolt locked to the striker is not easily released by an external force. Therefore, there is an effect that can prevent unauthorized unlocking by using a tool such as the presser foot can not be removed.

In addition, the present invention is configured to lock and unlock the fixed hook to the inner wall of the striker in conjunction with the driving of the dead bolt has the effect of increasing the production efficiency as the device is simplified.

1 is a schematic view showing a conventional door lock device;

Figure 2 is a block diagram showing a door lock device provided with a fixed hook according to an embodiment of the present invention,

Figure 3 is a state diagram showing a state in which the fixed hook of the fixed hook of the door lock device provided with a fixed hook according to an embodiment of the present invention,

Figure 4a is a state diagram showing a state in which the fixed hook of the door lock device is provided with a fixed hook according to an embodiment of the present invention,

Figure 4b is a state diagram showing an operating state in which the fixed hook of the door lock device is provided with a fixed hook according to an embodiment of the present invention, and

Figure 4c is a state diagram showing a state in which the fixed hook of the door lock device provided with a fixed hook according to an embodiment of the present invention is completely open.

<Brief Description of Drawings>

10: Striker 20: Mortis Body

30: dead bolt 40: fixed hook

50: latch bolt 60: stopper

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is a block diagram showing a door lock device is provided with a fixed hook according to an embodiment of the present invention, Figure 3 shows a state in which the fixed hook of the door lock device provided with a fixed hook according to an embodiment of the present invention is caught on the striker State diagram.

2 and 3, the door lock provided with a fixed hook of the present invention, the striker 10 and the Mortis body 20 (hereinafter referred to as a main body) is largely composed.

The striker 10 is generally fixed to the door frame through fastening means.

The mortise body 20 is provided with an edge bolt 21, a dead bolt 30, a fixing hook 40, a latch bolt 50, and levers for driving the mortise body 21.

The edge bolt 21 is elastically supported by one side of the torsion spring (S) is fixed to the end.

The latch bolt 50 is fixed to the end of the coil spring (not shown) is elastically supported. In addition, the connection lever 54 is coupled to the end of the latch bolt (50). A latch bolt driving lever 55 is engaged with the connection lever 54. Here, the handle bolt coupling hole (H1) is formed in the latch bolt driving lever (55). That is, a handle shaft (not shown) may be inserted into the handle coupling hole H1 to rotate the latch bolt driving lever 55. Accordingly, the connection lever 54 is rotated in accordance with the rotation of the latch bolt driving lever 55 to perform the drawing of the latch bolt 50.

Since the above configuration is a general configuration of a conventional door lock, a detailed description thereof will be omitted. On the other hand it will be described in detail the characteristic configuration and operation of the present invention.

The dead bolt 30 is formed with a first slit 31 in the longitudinal direction. In addition, the fixing pin P of the fixing hook 40 is coupled to the first slit 31 to limit the sliding of the fixing hook 40.

A second slit 32 is formed in the dead bolt 30 under the first slit 31 in the longitudinal direction.

On the other hand, the fixing hook 40 is formed with a guide slit 45 in the position corresponding to the second slit (32). At this time, the guide slit 45 has a shape bent upward.

A fixing pin is fixed inside the dead bolt 30 so as to pass through the second slit 32 and the guide slit 45. Therefore, the sliding pin limits the sliding of the guide slit 45 on the second slit 32.

At the end of the dead bolt 30, a dead bolt driving lever 35 for drawing in and out of the dead bolt 30 is rotatably installed. The dead bolt driving lever 35 is provided with a lever coupling groove (H2) so that the unlocking means such as a key can be inserted.

Meanwhile, the dead bolt driving lever 35 is accommodated at the distal end of the dead bolt 30 so that the dead bolt 30 is slid by the rotation of the dead bolt driving lever 35. 37) is preferably formed. In addition, the guide surface 37, it is preferable that the locking jaw (38, 39; Fig. 4a) is formed on both sides so that the dead bolt driving lever 35 can be stopped at a predetermined position when the rotation.

It is preferable that a stopper 60 is provided on the upper surface of the mortise main body 20 to limit the rotation angle of the dead bolt driving lever 35. Here, the stopper 60 is made of an elastic material, and bent parts 62 and 64 protruding downward are formed at both ends, respectively. The bent portions 62 and 64 of the stopper 60 serve to limit the rotation of the dead bolt driving lever 35 in the inlet and drawout states of the dead bolt 30.

On the other hand, as shown in Fig. 3, a predetermined space is formed inside the striker 10 so that the dead bolt 30 is generally drawn out to lock the door. In addition, in the present invention, the hook fixing region 80 is formed inside the striker 10 so that the fixing hook 40 may be drawn out and fixed to the inner wall of the striker 10 in addition to the drawing space of the dead bolt 30. . Accordingly, it is possible to secure a space in which the fixed hook 40 is drawn in and drawn out, thereby ensuring smooth operation of the fixed hook 40.

Hereinafter, an operating state of the door lock device provided with the fixing hook of the present invention will be described with reference to FIGS. 4A to 4C.

Figure 4a is a state diagram showing a state in which the fixed hook of the door lock device is provided with a fixed hook according to an embodiment of the present invention, Figure 4b is a fixed hook of the door lock device provided with a fixed hook according to an embodiment of the present invention 4C is a state diagram illustrating an operating state in which the operating state is operated and a state in which the fixing hook of the door lock device provided with the fixing hook according to an embodiment of the present invention is completely opened.

As shown in FIG. 4A, when the dead bolt 30 is in the unlocked state, the dead bolt driving lever 35 maintains a seated state on the engaging jaw 38.

Subsequently, when the key is inserted into the lever coupling groove H2 and rotates as shown in FIG. 4B, the dead bolt driving lever 35 rotates along the guide surface 37. Therefore, the position of the dead bolt 30 is moved from the mortise body 20 to the striker 10 side. According to the movement, the fixed hook 40 fixed in the first slit 31 and the second slit 32 is also moved in the dead bolt 30 and drawn out.

Accordingly, as shown in FIG. 4C, when the dead bolt driving lever 35 is completely rotated and positioned on the locking jaw 39, the fixed hook 40 is also drawn out to the maximum within the dead bolt 30. At this time, the guide slit 45 of the fixing hook 40 is guided to the fixing pin moving along the second slit 32 so that the hook portion of the fixing hook 40 is the inner portion of the striker 10 (that is, the hook fixing region). (80)) to raise the function to be in close contact.

On the contrary, when the dead bolt driving lever 35 is rotated to achieve the unlocked state, the dead bolt 30 is introduced into the mortise body 20 and the fixed hook 40 is also lowered along the guide slit 45 to the dead bolt ( 40) is drawn into. Therefore, as shown in Figure 4a to achieve the unlocked state of the dead bolt (30).

On the other hand, as shown in Figs. 2 and 3, the dead bolt driving lever 35 in the unlocked and locked state is preferably caught by the bent portion (62, 64) of the stopper 60, respectively.

In the above described and described with respect to the preferred embodiment of the present invention, the present invention is not limited to the above-described embodiment, if one of ordinary skill in the art to which the present invention belongs to the present invention described in the claims Various changes can be made without departing from the spirit of the technical idea.

Claims (5)

A door lock device in which a dead bolt of a Mortis body is drawn in and drawn out to a striker fixed to a door frame, thereby locking and unlocking it. A dead bolt driving lever fixed to the mortise body to be rotatable and sliding the dead bolt to one side; And When the dead bolt is introduced into the striker, the door lock device is provided with a fixed hook, characterized in that it comprises a fixing hook which is drawn in the dead bolt and fixed to the inner wall of the striker. The method of claim 1, The fixed hook is provided with a door lock device, characterized in that the end is formed with a guide slit bent upward by a predetermined length. The method of claim 2, A first slit is formed in the dead bolt in the longitudinal direction, and a fixing pin of a fixing hook is coupled in the first slit to limit sliding of the fixing hook. The dead bolt of the lower portion of the first slit is formed with a second slit, the lock bolt is provided with a locking hook, characterized in that the fixing pin is formed to pass through the second slit and the guide slit. The method according to any one of claims 1 to 3, A stopper is provided on an upper surface of the mortis body to limit the rotation angle of the dead bolt driving lever. The method of claim 4, wherein The stopper is made of an elastic material, Door lock device provided with a fixed hook, characterized in that the bent parts protruding downward from each end.