KR101091801B1 - A door lock device - Google Patents

Abstract

The present invention relates to a door assist locking device.
The present invention is installed on the door and the door frame to control so that only a part of the door can be opened in the opening operation of the door, the locking groove 120 is installed on the side of the door frame 100 and the opening 122 is formed on one side Having a locking bracket 110; A hinge bracket 210 installed at the door 200 and having a pair of hinge holes 220; A rotating body 300 having one end coupled to the hinge hole 220 by a hinge pin 310 to be rotatably coupled to the hinge bracket 210 and having a guide groove 330 formed therein; One end is inserted into the guide groove 330 is rotatably coupled to the left and right by 90 degrees through the position control means, the locking rod 400 is inserted into the locking groove 120 through the opening 122 in a horizontal state ); A cutting guide surface 420 formed at the lock rod 400 and formed at upper and lower sides to pass through the opening 122 when the lock rod 400 rotates; It is provided to protrude on one side of the rear side of the cutting guide surface 420 and coincides with the width of the opening 122 in the leftward 90 degree angle rotation of the locking rod 400 to be movable along the width and to the right direction A guider 440 engaged with the locking bracket 110 during a 90 degree angle rotation; And a stopper 460 which is provided at the other end of the lock rod 400 and is caught by the locking bracket 110.

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 the door (hereinafter, referred to as a door), which is inconvenient to operate the bundle and the bundle is not operated by corrosion or the like. 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.

Accordingly, the present invention has been made to solve the above problems, and the present invention has an object to facilitate the opening and closing of the door and to make the opening of the door safe and simple when you want to check the visitor in the closed state. .

In other words, the present invention

first; Even when the main lock is released, the auxiliary lock can be used to adjust the locking and some open states.

second; In some open state of the door to prevent the door lock to be opened through the outside.

third; The door lock, part of the door can be opened, released according to the user operation.

In order to achieve the above object, the present invention

In the door auxiliary lock device installed in the door and the door frame to control the door to be opened only a part in the opening operation of the door,

A locking bracket installed on one of the door and the door frame and having a locking groove formed at one side thereof with an opening; A hinge bracket installed on the other side of the door and the door frame in which the locking bracket is not installed and having a pair of hinge holes; A rotating body having one end coupled to the hinge hole by a hinge pin and rotatably coupled to the hinge bracket, the guide groove being formed; A lock rod having one end inserted into the guide groove to be rotatably coupled and the other end selectively inserted into the locking groove through the opening when the other end rotates together with the pivoting body; A cutting guide surface formed on one side of the locking rod and formed to have a thickness at least smaller than the opening width in upper and lower sides so as to pass through the opening width of the opening when the locking rod is rotated; It is provided to protrude on one side of the rear side of the cutting guide surface and the end of the locking rod is rotated in one direction to be located in the width of the opening so that the slide can move along the width and the end when the rotation in the other direction is caught A guider which is caught by the bracket and protrudes so that movement can be controlled; And a stopper provided at the other end of the lock rod and caught by the locking bracket when the slide rod is moved.

The present invention controls the opening and closing of the door by rotating the lock rod of the door auxiliary lock device to the left and right with respect to the horizontal state to lock the door and prevent the lock rod from being released at all in the open state and the partially open state. There is an effect that can be solved at the source of crime prevention through.

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 a state in which the lock rod is rotated in a counterclockwise direction by 90 degrees in FIG. 2 and a door closed state of the door auxiliary lock device;
FIG. 4 is an operating state diagram illustrating a partial opening section of the door by opening the door in FIG. 3;
Figure 5 is a side cross-sectional view of the main part of Figure 2, the configuration of the door lock state,
6 is a state in which the lock rod is rotated in a counterclockwise direction in FIG. 5 to allow a part of the door to be opened;
7 is a state in which the lock rod is rotated in the clockwise direction in Figure 5 the door is locked,
8 is a configuration diagram showing that the rotational body of Figure 2 as another embodiment according to the present invention to be fixed in a position rotated 90 degrees angle.

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 on the door and the door frame to maintain the closed state of the door, to allow a part of the open state in the closed state of the door.

The door auxiliary locking device, as shown in Figures 1 to 9, the locking bracket 110 is installed on the door frame 100 side, the hinge bracket 210 is installed on the door 200 side, and the hinge Rotating body 300 is hinged to the bracket 210 and rotatably coupled to the rotating body 300, and selectively caught on the locking bracket 110 to allow the door to close and partially open the door. It is composed of a lock rod 400.

The locking bracket 110 is installed on the door frame 100 and is formed with a locking groove 120 having an opening 122 formed at one side thereof. Here, the opening width of the opening 122 is formed at least smaller than the inner diameter of the locking groove 120 to be locked when the lock rod 400 is inserted.

The hinge brackets 210 are installed on the door 200 and have a pair of hinge holes 220 corresponding to each other on horizontal members positioned up and down. The pivot 300 is inserted between the horizontal members.

The pivot 300 has a hinge hole 312 formed on the upper and lower surfaces thereof, one end of which is coupled by a hinge pin 310 coupled to the hinge hole 220 to be rotatable with respect to the hinge bracket 210. The guide groove 330 is opened to the other side.

The lock rod 400 is rotated in a locked state with respect to the rotatable member 300 by being coupled to the fixture 410 caught by the rotatable member 300 in a state where one end is inserted into the guide groove 330. It becomes possible. Preferably it is rotatably coupled to an angle of about 90 degrees through the position control means.

In other words, the locking rod 400 is inserted into the guide groove 330 of the rotating body 300 is rotatably coupled in a locked state through a fastener 410 that is supported by the rotating body 300 is supported. At this time, the bearing may be coupled to the guide groove 330 for rotation of the lock rod 400.

The locking rod 400 is rotated horizontally when the rotating body 300 is rotated with respect to the hinge bracket 210 and is inserted into the locking groove 120 through the opening 122 when rotated in a horizontal state. do. At this time, the locking rod 400 has a cutting guide surface 420 is formed on the upper and lower surfaces of the locking rod 400 to pass through the opening (122).

That is, one side of the lock rod 400 is formed with a cutting guide surface 420 whose outer diameter is smaller than the upper and lower widths of the opening 122.

In other words, the lock rod 400 is able to pass through the opening 122 through the thickness of the cutting guide surface 420, so that the lock rod 400 does not pass through the opening 122 during rotation after passing through do.

In addition, one side of the upper and lower surfaces of the cutting guide surface 420 is preferably formed at the rear of the upper surface of the guider 440, and the guider 440 rotates about 90 degrees in the left direction of the lock rod 400 in a horizontal position. When one end is coincident with the width of the opening 122, the slide is movable along the width when moved, and when the angle is rotated approximately 90 degrees to the right in a horizontal position, one end is caught by the locking bracket 110 to the lock rod ( 400, the movement is controlled in the door opening and closing direction.

In addition, a stopper 460 is provided at the other end of the lock rod 400, and the stopper 460 is formed larger than the inner diameter of the guide groove 330 to move the locking bracket 400 when the lock rod 400 moves. 110).

That is, when the stopper 460 is caught by the locking bracket 110, the opening width of the door 200 becomes.

Meanwhile, the cutting guide surface 420, the guider 440, and the stopper 460 formed on the lock rod 400 may be manufactured or partially manufactured and assembled.

In addition, the lock rod 400 further includes a position control means so that the rotation angle with respect to the guide groove 330 can be controlled.
The position control means, the control pins (340, 350) protruding to the rotating body 300 is formed to protrude to the outside of the lock rod 400, the control in the left and right 90 degrees in the direction of rotation of the lock rod 400 The locking pins 480 controlled by the pins 340 and 350 may be applied.

That is, the control pins 340 and 350 are positioned on the upper and lower sides with respect to the guide groove 330 so that the locking pins 480 provided to the lock rods 400 when the lock rods 400 rotate. This will only rotate about 90 degrees.

Here, a cover body may be coupled to one side of the pivot 300 to which the control pins 340 and 350 are coupled to cover the control pins 340 and 350.

As another example, the projection jaw may be integrally protruded from the circumference of the guide groove 330 of the pivot 300 so that the projection jaw may perform the function of the control pins 340 and 350.

As another example, a ball having a spring holding force is provided at one end of the lock rod 400 inserted into the guide groove 330 so that the locking groove is formed along the circumference of the guide groove 330. The ball may be caught in the locking groove when the lock rod 400 rotates.

In addition, an arc-shaped guide groove 230 is formed in the hinge bracket 210 in which the rear surface of the pivot 300 is in contact with each other, and the pivot body 300 is hinge pin 310 in the arc-shaped guide groove 230. Locking grooves 232 and 234 are formed at positions of approximately 90 degrees to each of the left and right sides when rotating about the center, and the pivot 300 has an elastic force by a spring 380 and the arc-shaped guide groove ( Slide along the 230 is preferably the ball 370 to be selectively seated in each of the locking grooves (232, 234) is formed to protrude.

This is to allow the lock rod 400 to maintain the stopped state after rotating the angle about 90 degrees in the horizontal state with respect to the pivot 300.

As another example, a ball having a spring force is installed on one of the horizontal members of the hinge bracket 210 and the ball is fixed to a surface at a specific angle on one surface of the pivot 300 corresponding thereto. The locking groove may be formed so that it can be.

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.

If you want to open only part of the door with the door open,

First, the door is closed. Then, as shown in FIG. 2, the lock rod 400 is rotated to a horizontal state. Then, the rotating body 300 for fixing the lock rod 400 rotates around the hinge pin 310, and at this time, the cutting guide surface 420 formed on the lock rod 400 is an opening of the locking bracket 110. Passed through 122 to be positioned in the locking groove 120 as shown in FIG. In this state, as shown in FIG. 6, when the lock rod 400 is rotated 90 degrees in the left direction, the lock pin 480 provided to the lock rod 400 is provided with the control pin 350 provided to the pivot 300. At this time, the guider 440 formed in the lock rod 400 is positioned to match the width of the opening 122, the setting is completed.

Subsequently, when the door is opened from the outside, the guider 440 of the locking rod 400 positioned in the locking groove 120 is slid along the guide of the opening 122 and moved in a predetermined distance. When the stopper 460 provided at the end of the lock rod 400 is caught by the locking bracket 110, the rotation of the door is stopped.

In this state, when the door is opened and the door is open, the lock rod 400 cannot be rotated from the inside or the outside, so that the door auxiliary lock cannot be released.

On the other hand, if there is no main locking device to lock the door to ensure that the door is completely locked through the door auxiliary lock,

When the lock rod 400 is rotated in the clockwise direction as shown in FIG. 7 in a state where the lock rod 400 is positioned in the locking groove 120 in a horizontal state as shown in FIG. 5, the lock rod 400 The locking pin 480 of the locking pin 340 is caught, and at this time, one end of the guider 440 of the lock rod 400 is supported by the locking bracket 110. In this state, the guider 440 may not open the door as the guider 440 maintains the locked state of the locking bracket 110.

The above has been described and illustrated a preferred embodiment according to the present invention, that is, the door auxiliary locking device is applied to the door is opened to the outside, but the present invention is not limited to this, the locking bracket 110 and the hinge 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: hinge bracket 220: hinge hole
230: arc guide groove 232,234: locking groove
300: the body
310: hinge pin 312: hinge hole
330: guide groove 340, 350: control pin
370: ball 380: spring
400: lock rod
410: fixture 420: cutting guide surface
440: guider 460: stopper
480: locking pin

Claims (3)

In the door auxiliary lock device installed in the door and the door frame to control the door to be opened only a part in the opening operation of the door,
A locking bracket 110 installed on one of the door 200 and the door frame 100 and having a locking groove 120 having an opening 122 formed at one side thereof;
A hinge bracket (210) installed at the other side of the door (200) and the door frame (100) where the locking bracket (110) is not installed and having a pair of hinge holes (220);
A rotating body 300 having one end coupled to the hinge hole 220 by a hinge pin 310 to be rotatably coupled to the hinge bracket 210 and having a guide groove 330 formed therein;
One end is inserted into the guide groove 330 is rotatably coupled, the other end is a locking rod that is selectively inserted into the locking groove 120 through the opening 122 when the other end is rotated with the rotating body (300) 400;
It is formed on the upper and lower sides of the lock rod 400 and the thickness of the upper and lower than the opening width so as to be located in the locking groove 120 through the opening width of the opening 122 when the locking rod 400 is rotated Cutting guide surface 420 formed to have at least a small thickness;
It is provided to protrude on the rear side of one side of the cutting guide surface 420 and the end is located in the width of the opening 122 when the rotation in one direction of the locking rod 400 so that the slide can move along the width and the other A guider 440 which protrudes so that the end is caught by the locking bracket 110 and the movement thereof is prevented during rotation in the side direction;
A stopper 460 which is provided at the other end of the locking rod 400 and is formed larger than the inner diameter of the locking groove 120 to be locked to the locking bracket 110 when the locking rod 400 slides;
Door auxiliary lock device characterized in that it comprises a. The method according to claim 1,
The locking rod 400 further comprises a position control means so that the rotation angle with respect to the guide groove (330) can be controlled;
The position control means,
Control pins 340 and 350 protruding from one side of the pivot 300 to the upper and lower sides with the guide groove 330 as the center;
Door locking device, characterized in that the protrusion formed on the outside of the lock rod 400 is made of a locking pin (480) selectively controlled to the control pins (340, 350), respectively, during the rotation of the lock rod (400). delete

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