KR20120088921A - A door lock device - Google Patents

Abstract

PURPOSE: A door lock device is provided to maintain the closed state of a door and to enable the partial opening of the closed door. CONSTITUTION: A door lock device comprises a latching bracket(110), a fixing bracket(210), a rotary body(300), a rotation bar(400), and a locking member(500). The latching bracket is installed on a doorframe(100) and has a circular latching groove(120) and an opening(122). The fixing bracket is coupled to a door(200) and has an inner slide hole and a front circular hole(214). The circular hole is connected to the slide hole. The rotary body has a rotary plate(320) and upper and lower fixing plates(312,314). A hinge plate(420) is formed on one side of the rotation bar, and a rotation rod(430) is formed on the other side thereof. The hinge plate is inserted into the gap between the upper and lower fixing plates. The rotation rod is rotated around a hinge pin(410) and has a knob(440). The protruded end of the locking member is hung on the latching groove of the latching bracket.

Description

A door lock device {A door lock device}

The present invention relates to a door assist lock device that allows a user to check a visitor by opening a part of the door in a closed state of the swing door, and more particularly, to allow the door to be opened and locked safely according to a user's selection. The present invention relates to a door assist locking device that prevents the door from being unlocked at all from the outside.

In general, a casement door is mainly applied to an apartment, a building, and the like, and the case door is provided with a door locking device for locking and releasing the door.

The door locking device may be classified into a main locking device for locking and releasing the door and an auxiliary locking device for opening only a part of the door in a state of maintaining the door lock for the visitor confirmation in the state of releasing the main locking device.

A normal swing door is provided with a pair of main locks and sub locks for security purposes.

Conventional door auxiliary locking device is provided on the door frame side and having a pair of locking pins corresponding to each other, a hinge bracket provided on the door side, one end is rotatably coupled to the hinge bracket and the other end The locking pin is composed of a locking bar having an opening and a slide groove of a certain section so that the locking pin slides.

When the lock bar is rotated in the closed state during operation, the locking pin is guided to the opening of the lock bar, thereby fixing the position. Then, when the door is opened from the outside, the locking bar is moved and at the same time the slide groove of the lock bar is guided to the locking pin to move, and when the locking pin is caught at the end of the slide groove, the opening of the door is stopped. .

When unlocking, when the locking bar is rotated in the door closed state, the locking pin can be rotated without interference as the locking pin is positioned at the opening position of the locking bar.

However, when the door is opened from the outside, the outsider moves the lock bar by turning it off using a slight gap when the door is opened, or when the door is pulled by using a plate-like member into the gap that is opened, the door is locked. There is a problem that the bar is rotated.

In order to solve this problem, Korean Patent No. 10-0805344, "Sliding Door Lock," has been proposed.

It is a locking device is installed on the door frame and the locking device is installed on the swing door, the door frame fixing portion is installed on the door frame; A switch box in which a part of the door frame fixing part is inserted into and fixed to the front frame, and a first bunching induction part is formed at a front portion thereof; It is formed integrally at one end of the bunching column and the bunching pillar which is movable along the first bunching pillar induction part and integrally formed at the other end of the bunching pillar and the hook piece inserted into the switch box and the outside of the first bunching pillar induction part. A catching device including a switch made up of a bundle protruding into; A door fixing part formed with a fixing pin installed on the door; A hinge coupling part formed at one side and hinged to the fixing pin; A locking portion formed at a central portion and including a fixing groove capable of inserting the bundle by diffractive the hinge coupling portion and a second bundle floating portion continuously connected to the fixing groove; It is formed on the other side and is composed of a fixing device including a moving part that is continuously connected by changing the direction from the second bunching induction part.

However, the above-mentioned structure is not only complicated in structure, but also has to raise and lower the bundle included in the switch at the time of opening operation of the door (hereinafter referred to as the door). If not, there is a problem that the door lock is not made.

In addition, the bundle is moved along the space of the moving part, in which case there is a problem that the bundle is easily separated from the moving part when expanding the space of the moving part from the outside.

In order to solve this problem, the present applicant has been filed by the Patent No. 10-2010-0010794 "door assist lock" and Patent No. 10-2010-0039505 "door assist lock using a ball joint".

The former makes it easy to open and close the door, and makes it easier and safer to open a part of the door when you want to check the visitor while the door is closed. To control it.

The latter, similar to the former technique, applies a ball joint coupling method so that the locking member can be freely rotated around the ball, and the locking member can be used to lock the door and partially open or release the door according to the user's operation. It is.

The present invention is an improvement of the door auxiliary lock device filed by the applicant of the present invention, to facilitate the manufacturing and assembly and user operation, as well as easy opening and closing of the door, through the door auxiliary lock device to control the door lock and some open state It is to make it possible.

The present invention to achieve the above object,

In the door auxiliary lock device which is installed in the door and the door frame to control only the part of the door can be opened or locked in the opening operation of the door,

A locking bracket installed in the door frame and having a circular locking groove and an opening opening outwardly from the locking groove; A fixing bracket tightly coupled to the door and having a slide hole formed therein and a circular hole communicating with the slide hole at a front surface thereof; A rotating body formed of a rotary plate rotatably inserted in the slide hole and upper and lower fixing plates coupled to both sides so that an intermediate gap is formed on one surface of the rotating plate; A hinge plate is formed at one side and is inserted into a gap between the upper and lower fixing plates so as to be rotatably coupled to both sides through a hinge pin. A rotating rod having a guide surface formed to prevent the opening from passing through the opening, and having a handle formed at an end of the rotating rod, the handle being larger than the locking hole; It is formed to protrude along the longitudinal direction from the upper surface of the rotation rod, the width is formed at least smaller than the width of the opening, and comprises a locking member that is protruded front end is locked to the locking groove.

The present invention, the door auxiliary locking device is coupled to the hinge and the hinge is composed of a locking member to lock and lock the door to maintain the state of the door and keep the part of the door open, as well as simplify the manufacturing and assembly of the door There is an effect that the lockability can be made securely.

1 is an exploded configuration view showing a door auxiliary locking device according to the present invention;
Figure 2 is a perspective view of the main portion coupled state of Figure 1,
3 is a front view of FIG. 2 and an operating state in a state in which the door auxiliary lock is closed.
4 is a planar use state of FIG.
Figure 5 is an operating state of the rotation bar is rotated to enable the partial opening of the door in Figure 3,
FIG. 6 is an operating state diagram illustrating a state in which the door is opened and partially opened in FIG. 5; FIG.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, and in the following description of the present invention, the related well-known technologies and the like will be omitted if it is determined that the subject matter of the present invention may be obscured. do.

The present invention relates to a door auxiliary locking device which is installed in the door 200 and the door frame 100 to maintain the closed state of the door, to enable a part of the open state in the closed state of the door.

The present invention, the locking bracket is installed in the door frame 100 as shown in Figures 1 to 6 and formed with a circular locking groove 120 and an opening 122 opened outward from the locking groove 120. 110, the fixing bracket 210, the slide is tightly coupled to the door 200, the slide hole 212 is formed on the inside and the circular hole 214 is formed in communication with the slide hole 212 on the front surface Rotating body formed of a rotating plate 320 rotatably inserted in the locked state of the hole 212, and the upper and lower fixing plates 312 and 314 coupled to both sides so that an intermediate gap is formed on one surface of the rotating plate 320. 300, a hinge plate 420 is formed on one side of the gap between the upper and lower fixing plates 312 and 314 to be rotatably coupled to both sides via a hinge pin 410 and the hinge pin 410 on the other side. Rotating rod 430 is formed to enter and exit the opening 122 during the rotation around the Rotation bar 400 having a handle 440 formed larger than the engaging hole 120 at the end of the rotation rod 430, and protrudes along the longitudinal direction from the upper surface of the rotation rod 430 and its width It is formed to include a locking member 500 is formed at least smaller than the width of the opening 122 and the protruding front end is caught in the locking groove 120.

The locking bracket 110 is installed on the door frame 100 side and is formed with an opening 122 in an outward direction from the circular locking groove 120 and the locking groove 120 on one side.

Here, the upper and lower opening width of the opening 122 is formed smaller than the inner diameter of the locking groove 120 so that the rotation rod 430 is inserted and locked when the rotation is inserted to prevent the departure. The locking groove 120 has an inner diameter that can be rotated in a state where the rotation rod 430 is inserted.

The fixing bracket 210 has a circular or polygonal shape and is coupled in close contact with the bolt 216 inserted into the bolt hole 215 in the door 200, and a slide hole 212 is formed inside. The exposed front surface has a circular hole 214 communicating with the slide hole 212 and smaller than an inner diameter of the slide hole 212.

The rotating body 300 includes a rotating plate 320 and upper and lower fixing plates 312 and 314, and the rotating plate 320 is formed in the slide hole 212 formed on the rear surface of the fixing bracket 212. It is inserted into and rotated. In addition, the upper and lower fixing plates 312 and 314 are positioned through the circular hole 214 and between the upper and lower fixing plates 312 and 314, that is, a gap having a predetermined width, that is, the rotation bar 400. The gap is formed so that the hinge plate 420 is inserted.

The rotating bar 400 is composed of a hinge plate 420, a rotation rod 430 and the handle 440.

The hinge plate 420 is formed of an arc-shaped plate, the hinge passing through the hinge hole 318 formed in the upper and lower fixing plates 312 and 314 inserted into the gap between the upper and lower fixing plates 312 and 314. The pin 410 is rotatably coupled to both sides.

The pivoting rod 430 is integral with the hinge plate 420 and enters and exits the opening 122 during rotation about the hinge pin 410.

That is, the outer diameter of the rotation rod 430 has a guide surface 432 is formed on the upper and lower sides so that the upper and lower width is formed to a thickness passing through the opening 122, and the left and right width is 90 degrees after insertion into the locking groove 120. It is formed to a size that is locked so as not to pass through the opening 122 during the angular rotation.

The handle 440 is provided at the end of the rotation rod 430, is formed larger than the locking hole 120 is caught in the locking groove 120 when the rotation bar 400 moves along the door opening. The opening of the door 200 is controlled.

The locking member 500 is formed to protrude along the longitudinal direction from the upper surface of the rotation rod 430, that is, the upper surface of the guide surface 432, the width is formed at least smaller than the width of the opening 122 and protrudes The front one end is formed to be locked to the locking groove 120.

Accordingly, the rotating body 300 is rotatable in both directions in the inner slide hole 212 of the fixing bracket 210 coupled to the door 200, the rotating bar 400 is one hinge plate 420 In the gap between the upper and lower rotating plates 312 and 314 of the rotating body 300 is rotatably coupled in both left and right directions.

That is, the rotating bar 400 rotates with respect to the fixing bracket 210 together with the rotating body 300 when rotating, and moves only in the left and right direction with respect to the rotating body 300 when moving in the left and right direction. .

Referring to the accompanying drawings, the operation state of the door auxiliary lock according to the present invention configured as described above is as follows.

During assembly,

As shown in Figures 1 and 2, the fixing bracket 210 on the door 200 side and the locking bracket 110 for coupling the rotating body 300 to the door frame 100, respectively, and then fixed to the rotating body The hinge plate 420 of the rotation bar 400 is inserted into the gap between the upper and lower fixing plates 312 and 314 of the 300, and then the upper and lower fixing plates 312 and 314 through the hinge pins 410. When the hinge plate 420 and the hinge coupling is completed.

As described above, when the door auxiliary lock device is installed in the door, only part of the door 200 is to be opened, as shown in FIG. 4, the rotation bar 400 is rotated. Then, as shown in FIG. 4, the guide bar 432 formed on the rotation rod 430 of the rotation bar 400 passes through the opening 122 formed in the locking bracket 110, and the rotation bar 400 is rotated. It is located in the locking groove 120. When the door 200 is opened in this state, one end of the locking member 500 formed in the rotation bar 400 is locked to the locking groove 120, so that the door 200 is not opened and is locked. Then, as shown in FIG. 5, when the rotation bar 400 is rotated at an angle of about 90 degrees in the counterclockwise direction, the locking member 500 is rotated together with the rotation body 300 of the rotation bar 400. ) Is positioned at the width of the opening 122, and when the door 200 is opened, the locking member 500 can move while sliding through the width of the opening 122. 200 is to be opened. When the rear end handle 440 of the locking member 500 is continuously caught by the locking groove 120, the opening of the door 100 is controlled so that only a part of the door 200 is opened.

Accordingly, the door auxiliary locking device according to the present invention is capable of selectively locking the door and partially locking the door, as well as locking the locking bar 400 without the rotation of the rotating bar 400 in the door locking state. It cannot be separated from 110.

Although the above has described and illustrated a preferred embodiment according to the present invention, that is, the door auxiliary locking device applied to the door is opened to the outside, the present invention is not limited to this, the locking bracket 110 and the fixing bracket 210 in the present invention ) May be selectively positioned on the door 200 side or the door frame 100 side according to the opening and closing direction of the door, that is, in the inner or outer direction, and in this case, the opening of the locking bracket 110 ( 122) It can be applied by changing the position, which can be said to be included in the technology of the present invention.

100: door frame
110: jam bracket 120: jam groove
122: opening
200: door
210: fixing bracket 212: slide hole
214: round hole
300: rotating body
312,314: upper and lower rotating plate 318: hinge hole
320:: hinge plate
400: rotating bar
410: hinge pin 420: hinge plate
430: rotation rod 432: guide surface
440: handle
500: locking member

Claims (1)

In the door auxiliary lock device which is installed in the door and the door frame to control only the part of the door can be opened or locked in the opening operation of the door,
A locking bracket (110) installed in the door frame (100) and having a circular locking groove (120) and an opening (122) opened outwardly from the locking groove (120);
A fixing bracket 210 closely coupled to the door 200 and having a slide hole 212 formed therein and a circular hole 214 communicating with the slide hole 212 at a front surface thereof;
Rotating plate 320 is rotatably inserted into the slide hole 212 and the upper and lower fixing plates 312 and 314 coupled to both sides so that an intermediate gap is formed on one surface of the rotating plate 320. A rotating body 300;
A hinge plate 420 is formed on one side of the upper and lower fixing plates 312 and 314 so as to be rotatably coupled to both sides via a hinge pin 410, and the hinge pin 410 is centered on the other side. Rotating rod 430 having a guide surface 432 is formed so as not to pass through the opening 122 when the opening and exit the opening 122 in the rotation and the opening 122, A rotary bar 400 having a handle 440 formed larger than the locking hole 120 at an end of the rotation rod 430;
Protruding in the longitudinal direction from the upper surface of the rotation rod 430, the width is formed at least smaller than the width of the opening 122 so that the slide is possible, the protruding front end is in the locking groove 120 Locking member 500 is locked; Door auxiliary lock device characterized in that comprises a.

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