KR20110120023A - A door lock device using a ball joint - Google Patents

Abstract

PURPOSE: An auxiliary door lock using a ball joint is provided to easily unlock/lock a door and enable a part of the door to be opened safely and simply when a user wants to recognize a visitor in a state the door is closed. CONSTITUTION: An auxiliary door lock using a ball joint comprises a hanging bracket, a hinge bracket(210), and a locking member(300). The hanging bracket is installed on a door frame(100) comprises a hanging groove with an opening. The hinge bracket is installed on a door(200) and comprises a round groove with a hole. Locking member comprises a round body(320), a cutting guide, a guider(360), and a stopper(380). The round body is inserted into the round groove and can slide and rotate. The cutting guides are formed on the upper and lower sides to be able to selectively pass through the opening on the rear of the round body.

Description

A door lock device using a ball joint}

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 auxiliary locking device using a ball joint to prevent the door from being unlocked at all.

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, the present invention, the main lock device 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 Even in the unlocked state of the auxiliary lock only to be able to adjust the locking and opening state.

In other words, by applying a ball joint coupling method to allow the locking member to be rotated freely around the ball, and the locking member to be able to lock the door, opening and unlocking the door according to the user's operation.

In order to achieve the above object, the present invention

A door auxiliary lock device installed on the door and the door frame to control only a part of the door to be opened in the opening operation of the door, the door auxiliary lock device comprising: a locking bracket installed on the door frame and having a locking groove formed at one side thereof; A hinge bracket installed at the door and having a spherical groove having an opening; A spherical body provided at one end is inserted into the spherical groove so that it can be slidably rotated in a state in which separation is prevented, and a cutting guide surface is formed on the upper and lower sides so as to selectively pass the opening when rotating at the rear position of the spherical body. And a locking member protruding from the upper side of the cutting guide surface having a width capable of passing through the opening along the longitudinal direction, and having a stopper having a stopper larger than an inner diameter of the locking groove at the other end thereof. Characterized in that configured.

Here, the ball is provided on the surface of the spherical body is provided with an elastic ball protruding from one side through the spring elastic force provided in the spherical body and the ball fixing groove is formed so that the elastic ball is fixed to the surface of the spherical groove, It will be possible to allow the member to be rotated at a predetermined angle.

In addition, the hinge bracket may be divided into two sides so that the spherical body can be inserted into the spherical groove.

In addition, the spherical body is to be positioned on the hinge bracket, it will be possible to provide a separate coupling to the slide member wrapped around the spherical body to the sliding coupling.

The present invention controls the opening and closing of the door while rotating the lock rod of the door auxiliary lock device using the ball joint based on the horizontal state, the lock rod of the door and the lock rod is not released at all in the open state and some open state. By doing so, there is an effect that can be solved at the source of the security problem through the door.

1 is an exploded view showing a door auxiliary locking device using a ball joint 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 a door closed state of the auxiliary locking device;
4 is an operating state diagram illustrating a state in which a part of the door opening in FIG. 3 is possible;
FIG. 5 is an operating state diagram illustrating a state in which the door is opened and partially opened in FIG. 4;
6 is a state in which the locking member is rotated in the clockwise direction when viewed from the side in FIG.
7 is another embodiment according to the present invention.

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 door auxiliary locking device, as shown in Figures 1 to 6, 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 It is coupled to the bracket 210 in a ball joint manner to rotate and is selectively locked to the locking bracket 110 is composed of a locking member 300 to enable the door closing and part opening of the door.

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 smaller than the inner diameter of the locking groove 120 to be locked when the locking member 300 is inserted. And the locking groove 120 has an inner diameter that can be rotated in the state in which the locking member 300 is inserted.

The hinge bracket 210 is installed on the door 200 side and has a spherical groove 214 having an opening hole 212 on one side thereof. The hinge bracket 210 is divided into two sides with respect to the center point of the spherical groove 214 so that the spherical body 320 to be described later can be inserted into the spherical groove 214. The inlet opening 212 of the spherical groove 214 prevents the spherical body 320 from being separated.

The locking member 300 is provided with a spherical body (320) having a circular shape at one end thereof is inserted into the spherical groove (214) to be rotatable in a state where the separation is prevented, the spherical body (320) of the Cutting guide surface 340 is formed on the upper and lower sides so as to selectively pass the opening 122 in the rear position, the opening 122 in the longitudinal direction on the rear side of the cutting guide surface 340 of the upper side. A guider 360 having a width that can pass therethrough is formed. The other end of the locking member 300 has an outer diameter larger than the inner diameter of the locking groove 120 so that the locking member 300 does not move away from the locking groove 120 when the lock member 300 is moved after being coupled to the locking groove 120. A stopper 380 having a is provided.

Here, the spherical body 320 serves as a known ball joint, and the ball joint refers to the ball freely rotating from the support surrounding the ball.

The cutting guide surface 340 is positioned in the locking groove 120 through the opening 122 formed in the locking groove 120 of the locking bracket 110 when the cutting guide surface 340 moves in the correct position. As it is rotated to have a width larger than the width of the opening 122 is located in the locking groove 120 to prevent the departure.

A smooth surface 322 is formed at one side of the spherical body 320 and a screw hole 324 is formed at the center of the smooth surface 322. A fixing bolt 310 provided at one end of the locking member 300 is screwed to the screw hole 324 so that the spherical body 320 is integrally coupled to the locking member 300.

In addition, the hinge bracket 210 is divided into two sides to couple the spherical body 320, and the opening hole 212 of the spherical groove 214 to lock the spherical body 320. In other words, both cutting grooves 216 and 218 are formed around the opening hole 212 in a direction in which the locking member 300 rotates.

One end of the locking member 300 is formed to have a width smaller than the outer diameter of the cutting grooves 216 and 218 to be rotated while passing through the space of the cutting grooves 216 and 218.

As another example, although not shown in the drawing, an elastic ball protruding from one side is provided on the surface of the spherical body 320 by a spring elastic force provided in the spherical body 320 and the inner wall surface of the spherical groove 214 is provided. A ball fixing groove is formed in the elastic ball to be fixed to the position so that the locking member 300 can be rotated and fixed to a predetermined angle. Here, the spherical body 320 is a known ball joint coupling method applied to the joint motion.

Referring to the accompanying drawings, the operation state of the door auxiliary lock device using the ball joint according to the present invention constituted as described above are 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 locking member 300 is rotated in a horizontal state. Then, the spherical body 320 fixing the locking member 300 is rotated about the spherical groove 214, and the cutting guide surface 340 formed on the locking member 300 is an opening of the locking bracket 110. It passes through the 122 to be located in the locking groove 120 as shown in FIG. In this state, when the locking member 300 is rotated 90 degrees in the left direction as shown in FIG. 4, the locking member 300 is positioned to match the width of the opening 122, and setting is completed.

Subsequently, when the door is opened from the outside, the guider 360 of the locking rod 300 positioned in the locking groove 120 is slid along the guide of the opening 122 and moved in a predetermined distance. When the stopper 380 provided at the end of the locking member 300 is caught by the locking bracket 110, the rotation of the door is stopped as shown in FIG. 5.

In this way, the door auxiliary locking device cannot be released because the locking member 300 cannot be rotated inside or outside in the state where the door is opened.

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

As shown in FIG. 3, when the locking member 300 is rotated in the clockwise direction as shown in FIG. 6 in a state where the locking member 300 is positioned in the locking groove 120 in a horizontal state, as shown in FIG. One end of the guider 360 is supported by the locking bracket (110). In this state, the guider 360 may not open the door as the guider 360 maintains the locked state of the locking bracket 110.

7 is another example according to the present invention, the spherical body 320a to be integrally or detachably coupled to the hinge bracket 210 coupled to the door 200, the front end of the locking member 300 It is shown that the rotating body 390 is wrapped around the spherical body (320a) and slidably coupled in a state in which separation is prevented.

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 212: opening hole
214: spherical groove
300: locking member
320: spherical body 340: cutting guide surface
360: guider 380: stopper

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 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 door 200 and having a spherical groove 214 having an opening hole 212 formed therein;
The spherical body 320 provided at one end is inserted into the spherical groove 214 to be rotatable in a state where the separation is prevented, and the opening 122 is rotated when the spherical body 320 is rotated in the rear position of the spherical body 320. Cutting guide surface 340 is formed on the upper and lower sides so as to pass selectively, the guider 360 having a width that can pass through the opening 122 in the longitudinal direction on the rear side of the cutting guide surface 340 of the upper side Door protrusion locking device using a ball joint, characterized in that it comprises a; protruding formed, the locking member 300 is provided with a stopper 380 larger than the inner diameter of the locking groove 120 at the other end. The method according to claim 1,
The ball fixing groove is provided on the surface of the spherical body 320 so that one side protrudes through a spring elastic force provided in the spherical body 320 and the elastic ball is fixed to the surface of the spherical groove. A door auxiliary lock using a ball joint, characterized in that the locking member 300 to be rotated at a predetermined angle. The method according to claim 1 or 2,
The hinge bracket 210 is a door assist lock device using a ball joint, characterized in that the spherical body 320 is divided into two sides to be inserted into the spherical groove (214).

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