KR101398143B1 - A door lock device - Google Patents

Abstract

The present invention relates to a partially opening type door locking device for a door. The door locking device according to the present invention comprises: a body (100) installed on the inner side of the door (10); a lock bar (120) having a lock end at the front end thereof; a lock holder (200) installed on a door frame (20), and having an insertion groove (220) and a locking end (240); a moving unit (300) moving the lock bar (120) from the body (100) forward and backward; a link bar (400) of which one end able to rotate is connected to the front end of the lock end through a rotation pin (420) while the link bar is overlapped with the lock bar (120); a locking bar (500) of which one end able to rotate is connected to the other end of the link bar (400) through a rotation pin (520) and the other end is positioned in the insertion groove (220) of the lock holder (200) at the movement of the lock bar (120) while the locking bar (500) is overlapped with the link bar (400), so that the locking bar (500) is locked with the locking end (240) when the door is opened; and a locking unit (600) installed at the body (100), and preventing the locking bar (500) from being separated from the body (100) internally or externally, wherein the lock bar (120) moved depending on an operation inside or outside the door (10) is separated from the lock holder (200) on the door frame (20) while the lock end moved from the body (100) on the inner side of the door (10) is locked with the lock holder (200), thereby unlocking the door (10). According to the present invention, the door locking device installed at the door allows the door to be locked completely and allows the door to be partially opened depending on the operation of a user.

Description

A door lock device for partially opening a door

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door locking device for locking and unlocking a door installed in a door, and more particularly, to a door locking device for locking and releasing a door, .

BACKGROUND ART [0002] Generally, a door is mainly used for an apartment, a building, and the door is provided with a door lock for locking and unlocking the door.

The door locking mechanism is also referred to as a door locking mechanism or a door locking mechanism. The door locking mechanism includes a main locking device for locking and unlocking the door, and an auxiliary lock for opening only a part of the door, Devices.

Normally, the door is provided with a pair of main locking device and auxiliary locking device for crime prevention.

The main locking device is a manual or electronic door locking device.

The manual door locking mechanism has a structure in which the door is locked by moving a lock bar through rotation of a lever or the like. When the door is unlocked, the lock is released from the inside of the door through rotation of the lever and outside of the door through a key.

In the state where the front end locking end of the lock bar moved from the door side body is locked to the door frame side lock holder, the electronic door locking hole is operated through a battery installed therein, During operation or lever rotation, the locked lock bar is disengaged from the lock holder and the door lock is released.

The door auxiliary locking device is installed in a lower door of a door lock so that when the door is opened during a user's operation, the door is not fully opened but only a part of the door is opened.

The hinge bracket is provided on the side of the door. The hinge bracket has one end pivotally coupled to the hinge bracket and the other end engaged with the latch pin A lock bar having an opening of a predetermined section and a slide groove of a predetermined section is formed.

When the lock bar is rotated in the closed state of the door during operation, the locking pin is guided to the opening of the lock bar to be fixed in position. Then, when the door is opened from the outside, the lock bar is moved. At the same time, the slide groove of the lock bar moves while being guided by the latch pin, and when the latch pin is caught by the end of the slide groove, the opening of the door is stopped .

When the locking bar is rotated in the door closing state, the locking pin is positioned at the opening of the locking bar, so that the locking bar can be rotated without interference.

However, when the door is opened from the outside, an outsider moves the locking bar by using a slight gap at which the door is opened, or when the door is pulled by using a plate-like member in a gap where the door is opened, There is a problem that the bar is rotated.

Patent No. 10-06669494 Digital door lock block drive device Notification date January 16, 2007 Patent No. 10-1195925 Door auxiliary locking device Notification date November 5, 2012 Patent No. 10-1195923 Door auxiliary locking device Notification day November 2, 2012

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art,

SUMMARY OF THE INVENTION [0006]

The door lock which is installed in the door and locks the door completely locks the door and allows the door to be partially opened according to the user's operation.

In order to achieve the above object,

The present invention is characterized in that a lock bar moved in accordance with an operation of the inside or outside of the door is separated from the lock holder in a state in which the distal end locking end of the lock bar moved from the inner body of the door is locked to the door frame side lock holder, In the lock,

Moving means for causing the locking bar to move back and forth from the body; An insertion groove and a locking step formed on the lock holder provided on the door frame side; An interlocking bar having one end thereof rotatably connected to a tip end of the lock bar via a rotation pin in a state in which the lock bar is overlapped with the lock bar; The locking bar being engaged with the engaging end when the door is opened in a state where the other end is positioned in the insertion groove of the lock holder when the lock bar is moved while the one end is connected to the interlocking bar to prevent the door from being fully opened; And locking means provided on the body for preventing the locking bar from being detached from the body in an inner direction of the door.

Here, the locking bar is rotatably connected to the other end of the interlocking bar via the rotation pin while the locking bar is overlapped with the interlocking bar, and the other end is positioned in the insertion slot of the locking holder when the locking bar is moved, It may be preferable to constitute such a structure.

The locking means is provided on the body so as to be slidable up and down, and has a locking end for preventing the locking bar from detaching from the lower end, and the locking end is provided with a button lock It can be implemented immediately.

In addition, a locking groove may be formed at the front end of the locking bar so as to be engaged with the locking end when the door is opened in a state of being inserted into the insertion groove.

Further, it is also possible to adopt a configuration in which the locking pin is formed at the tip end of the locking bar to engage with the locking end when the door is opened in a state of being inserted into the insertion groove.

The present invention has the effect that the door locking part provided on the door can completely lock the door and part of the door can be opened according to the user's operation.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a main part showing an embodiment of a door lock according to the present invention,
Fig. 2 is a plan sectional view of Fig. 1,
Figure 3 is a front schematic view of Figure 2,
FIG. 4 is a sectional view showing the door locking state in FIG. 2,
FIG. 5 is a state diagram illustrating a process in which the door is partially opened and locked in FIG. 4. FIG.
6 shows another example of Fig. 4,
Fig. 7 is a cross-sectional view showing the locking means in Fig. 4,
Figure 8 is a cross-sectional view of the door locked state in Figure 7;
FIG. 9 is a sectional view showing a state in which the door lock is released in FIG. 7; FIG.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may obscure the subject matter of the present invention. do.

1 to 8, the distal end locking end of the locking bar 120, which is moved from the inner body 100 of the door 10 of the prior art, is inserted into the lock holder 200 on the side of the door frame 20, And the door lock is detached from the lock holder 200 when the lock bar 120 is moved in accordance with the operation of the door 10 on the inside and outside in the locked state.

The present invention is characterized in that the door lock mechanism allows the door 10 to be locked, opened and partially opened so that the lock bar 120 is directly placed in the lock holder 200 to lock the door 10 But can be locked and partially opened by a separate means.

1 and 2, the present invention includes a body 100 constituting the door lock mechanism and includes a moving means 300 for allowing the locking bar 120 to move back and forth from the body 100, An insertion groove 220 and an engaging end 240 provided on the door frame 20 and formed in the lock holder 200 and a lock bar 240 having one end in a state of being overlapped with the lock bar 120, And the other end of the interlocking bar 400 is connected to the other end of the interlocking bar 400 in a state where the interlocking bar 400 is overlapped with the rotation pin 520 And the other end of the locking bar 220 is rotatably connected to the locking bar 200. The other end of the locking bar 220 is positioned in the insertion slot 220 of the locking holder 200 when the locking bar 120 is moved, A locking member 500 provided on the body 100 to prevent the locking bar 500 from being detached from the body 100 forward and backward from the door 10, It comprises 600.

The moving means 300 is applied with the same technique as applied to a known door locking mechanism according to the view of FIG. 2 so that the locking bar 120 can be moved back and forth from the body 100 of the door locking mechanism.

Preferably, the pinion gear 320 is provided on the body 100 and the lock bar 120 is provided with a rack gear 340. The pinion gear 320 is rotated by automatic or manual operation of the pinion gear 320, The lock bars 120 may be moved back and forth together with the rack gears 340 engaged with each other.

The door locking member is provided with a body provided with a user operation button on the outer side of the door and a door locking and unlocking body for locking the door on the inner side of the door.

The lock holder 200 is coupled to the side of the door frame 20 as is well known in the art and has an insertion groove (not shown) opened toward the door side in the lock holder 200, 220 are formed on both sides of the insertion groove 220, and a latching end 240 is formed on both sides of the entrance side of the insertion groove 220.

One end of the interlocking bar 400 is rotatably connected to the tip of the lock bar 120 through a rotation pin 420 in a state where the interlocking bar 400 is positioned substantially parallel to the lock bar 120.

The locking bar 500 is rotatably connected to the other end of the interlocking bar 400 through a rotation pin 520 in a state where the locking bar 500 is positioned substantially in parallel with the interlocking bar 400, Is positioned in the insertion groove 220 of the lock holder 200 when the bar 120 is moved and is engaged with the latching end 240 when the door rotates according to the door opening.

In this case, a locking pin 540a may be formed at the tip of the locking bar 500 to be engaged with the locking end 240 when the door is opened in a state where the locking pin 500 is inserted into the insertion groove 220.

This is because the retaining pin 540a is caught by the retaining end 240 and is not released during the door opening operation.

Reference numeral 260 denotes a support which controls the forward and backward movement of the door 10 when the engaging pin 540a is positioned in the insertion groove 220 and reinforces the engaging pin 240 when the pulling force is generated .

As another example, as shown in FIG. 7, a locking groove 540 is formed at the tip of the locking bar 500 to be engaged with the locking end 240 when the door is opened in a state of being inserted into the insertion groove 220 Can be applied.

This is because when the locking bar 500 is rotated with respect to the center of the space of the insertion groove 220 in a state where the end of the locking bar 500 is positioned in the space of the insertion groove 220, 500 is not detached from the insertion groove 220 and the latching groove 540 is caught by the latching end 240 so that the latching state is maintained when the door is not closed.

The locking means 600 includes a button locking bar 640 having a locking end 620 provided on the inner body 100 of the door so as to be slidable up and down and controlling the rotation of the locking bar 500 And a spring 660 for returning the upper head of the button locking bar 640 and the button locking bar 640 supported by the body 100 and moved downward to an initial position.

Accordingly, when the operator presses the button locking bar 640, the latching end 620 is moved downward with the locking bar 500 hooked, so that the locking bar 500 is rotated relative to the interlocking bar 400 So that it becomes a possible state.

The locking bar 500 is located inside the guide groove 110 formed in the body 100 so that the locking bar 500 can be moved toward the door frame when the door is closed. 620 are moved downward and the locking bar 500 is released, the rotary pins 420 and 520 are jointed to move in the rotation direction of the door when the door is opened. Therefore, the door can be opened by the length of the locking bar 500 and the interlocking bar 400.

The button locking bar 640 is coupled to the body 100 so as to be movable up and down with respect to the body 100. The locking end 620 of the button locking bar 640 is coupled to the locking bar 500, So that the locking bar 500 prevents the sliding movement of the door frame 20 in the lateral direction. The guide groove 560 may be formed in the locking bar 500 such that the locking end 620 is selectively inserted into the locking groove 500.

The assembling and operating states of the partially opened door locking part of the door according to the present invention constructed as described above will be described with reference to the accompanying drawings.

During assembly,

1 to 5, in a state where the lock bar 120 is installed on the inner body 100 of the door forming the door lock so as to be movable back and forth in the direction of the door frame on the basis of the closed state of the door, And the locking bar 500 is attached to the interlocking bar 400 with the rotation pins 420 and 520. The locking bar 400 is fixed to the interlocking bar 400 with the locking pins 420 and 520, A button lock bar 640 may be provided.

In operation,

2 to 5, when the door is locked with the door lock on the door, if the door is locked, the lever is manually operated, and if the door is automatic, the button is pressed. The rack gear 340 is moved by the rotation of the pinion gear 320 constituting the moving means 300. At the same time, the lock bar 120, which is integrated with the rack gear 340, 500 are positioned in the insertion groove 220 of the lock holder 200. [ Then, the button locking bar 640 controls the rotation of the locking bar 500, so that the rotation of the locking bar 500 is controlled when the door is rotated.

If you want to partially open the door in this situation,

The button locking bar 640 is pushed to release the locking end 620 of the button locking bar 640 from the locking bar 500 as shown in FIGS. When the door is opened in this state, the end portion of the locking bar 500 is engaged with the locking end 240 of the lock holder 200 and is rotated with respect to the interlocking bar 400. At the same time, The door is rotated with respect to the lock bar 120 and the door is opened by the length of the locking bar 500 and the interlocking bar 400.

As another example, although not shown, the locking bar may be extended with the sliding bar inserted into the interlocking bar with respect to the interlocking bar.

That is, a guide groove may be formed at one end of the interlocking bar, and one end of the locking bar may be inserted into the guide groove so that the interlocking bar can be slidable by a predetermined distance.

In this case, when the door is opened, the door is rotated in a state where the end of the locking bar is hooked on the locking end 240, and the locking bar is extended from the guide groove of the interlocking bar at this time, A part of the door can be opened while being rotated about the rotation pin connected to the lock bar.

As another example, although not shown, a guide groove may be formed in the locking bar, and the guide groove may be movable a predetermined distance in a state in which one end of the link bar is inserted into the guide groove.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments or constructions. Various changes and substitutions may be made without departing from the spirit and scope of the invention. It will be apparent to those skilled in the art that changes may be made in the embodiments without departing from the spirit and scope of the invention. Therefore, it is intended that the present invention cover modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

100: Body
120: lock bar
200: Lock holder
220: insertion groove 240:
300: Moving means
320: Pinion gear 340: Rack gear
400: Interlocking bar
420: rotating pin
500: Locking bar
520: rotation pin 540:
540a:
600: locking means
620: latch 640: button lock bar
660: spring

Claims (6)

The lock bar moved in accordance with the operation of the inside or outside of the door is separated from the lock holder in a state in which the distal end locking end of the lock bar moved from the inner body of the door is locked to the door frame side lock holder and the door lock is released As a result,
Moving means for causing the locking bar to move back and forth from the body;
An insertion groove and a locking step formed on the lock holder provided on the door frame side;
An interlocking bar having one end thereof rotatably connected to a tip end of the lock bar via a rotation pin in a state in which the lock bar is overlapped with the lock bar;
The other end of the lock bar is positioned in the insertion groove of the lock holder when the lock bar is moved in the state where one end is connected to the interlocking bar and is engaged with the locking end when the door is opened in the state of being positioned in the insertion groove, Locking bar to prevent;
And a locking means provided on the body for preventing the locking bar from being detached from the body in an outward direction inside the door. The method according to claim 1,
One end of the locking bar is rotatably connected to the other end of the interlocking bar via a rotation pin while the locking bar is overlapped with the interlocking bar and the other end is positioned in the insertion slot of the locking holder when the locking bar is moved, Wherein the door is adapted to engage with the door. The method according to claim 1,
Wherein a guide groove is formed in the interlocking bar, and the locking bar is slidably inserted into the guide groove so as to prevent separation of the locking bar. The method according to claim 1,
Wherein a locking groove is formed in the front end of the locking bar to engage with the locking end when the door is opened in a state of being inserted into the insertion groove. The method according to claim 1,
Wherein a locking pin is formed at a leading end of the locking bar to engage with the locking end when the door is opened in a state of being inserted into the insertion groove. The method according to claim 1,
Wherein the locking means comprises:
The button locking bar is slidable up and down on the body and has a latching end for preventing the locking bar from detaching from the lower end. The latching end of the button locking bar has spring elasticity to hold the locking bar in a locked state, Some open door locks on the door.

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