KR19980065803A - Door unlocking device for easy changing of the direction of the locking section - Google Patents

Abstract

The present invention relates to an unlocking device for a door that is easy to change the direction of the locking part, and has a master cylinder, yoke, cylinder set screw, control connector, bolt lock part, and connecting rod on the inner side of the frame part and on the frame inside the latch bolt. An elastic member is provided to contact the slider so that the slider can move left and right smoothly, and the latch bolt is rotatably hinged to the end of the slider to change the direction according to the closing direction of the door. In this case, the slider 10 having the semicircular guider groove 11 and the insertion hole 12 integrally formed therein together with the elastic member 20 from the inner side of the guider groove 11 to the insertion hole 12. The latching ball integrally formed with the fixing member 30 provided with the screw part 31 at the end to which it is fitted, and the protrusion part 41 in which the screw hole 41a for inserting the screw part 31 is formed. 40 and protruding markers 52 are provided on the front of the cover plate 50 where the long stopper is located so that the locking parts can be conveniently exchanged according to the opening direction of the door, and the handles inside and outside can be fixed arbitrarily. It is to prevent external intrusion.

Description

Door unlocking device for easy changing of the direction of the locking part

The present invention relates to an unlocking device of a door that is easy to change the direction of the locking portion, and more particularly, for fixing to the sliding part and the guider groove which is formed at the end of the housing to the inner side of the housing and fixed to the locking part. It is equipped with a member and an elastic member to conveniently replace the locking part according to the opening direction of the door, and a protruding mark part for indicating the change of direction on the front part so that the handles on the inside and the outside can be arbitrarily fixed to prevent external intrusion. To prevent it.

Generally, various types of doors are installed in homes or offices in order to distinguish a certain space from a space and to allow people to enter and exit. This type of door is usually provided on one side of the frame. The above-described hinge portion is hinged and fixed, and a handle portion that can be grasped by hand when opening or closing the door is provided at the other end provided with the hinge portion.

The handle portion protrudes from the inside and the outside of the door, and the center portion is slid left and right in accordance with the rotation of the handle portion to enable the extraction and withdrawal of the locking portion to be inserted into or withdrawn in the fixing groove provided on one side of the frame portion. To unlock the door.

The structure of the locking part provided in the center of the handle is described with reference to FIGS. 1 to 3 as follows.

The locking unit 100 is provided with a yoke 210 and a cylinder set screw 220 connected to a lower master cylinder 200 to an inner surface of the frame unit 110 provided in the door, and includes a master cylinder ( It consists of a bolt lock 240 connected to the control connector 230 hinged to the upper portion of the 200 and the connecting rod 250 connected to the bolt lock 240.

The end of the connecting rod 250 has a cylindrical long stopper portion 280 for unlocking the latch bolt adjuster 260 fixed to the center of the handle portion, and the other end of the latch bolt adjuster 260 is latch bolt 271 at the end. ) Is provided with a protrusion 261 so as to move the slider unit 270 provided to the left and right.

The inner end of the latch bolt 271 is provided with an elastic member 272 to contact the frame 110 to facilitate the left and right movement of the slider portion 270, and latched to one side of the latch bolt adjuster 260 And a bolt control spring 262.

The center of the master cylinder 200 is provided with a rod 201 that is operated by the insertion of the door key integrally to push one side of the control connector 230 in the upper portion during operation, the control connector 230 ) Is provided with a hinge shaft 231 is inserted into the guide groove 241 of the bolt lock portion 240 is to be interlocked by the control connector 230.

The connection of the connection rod 250 forms a long hole 251 and a hinge hole 252 at its end and is able to move the long stopper portion 260 around the hinge hole 252.

The latch bolt adjuster 260 is provided with a pair of upper and lower parts integrally connected to the handle portion of the inner side and the outer side of the latch bolt adjuster is fixed to one side by the long stopper portion 280 to operate the handle portion Will be suppressed.

That is, the inner and outer sides are operated separately so that the outer handle does not rotate and only the inner handle is operated.

The latch bolt 271 provided at the end of the slider 270 is inserted into and detached from an insertion hole (fixed part) formed in a frame that hinges the door, thereby fixing the door according to the closing direction of the door. The latch bolt 271 is rotatably hinged to the end of the slider 270.

That is, the inclined portion is positioned in the closing direction of the door, so that it closes easily when closing.

The latch bolt fixing part 290 for preventing the door from being opened by forcibly pushing the latch bolt 271 by means of a thin steel plate or the like from the outside to the lower portion of the latch bolt 271 includes a cover plate ( 300) to protrude to one side.

The action of the unlocking device of the door configured as described above is as follows.

When the user inserts a key into the master cylinder 200 provided at one side of the door and rotates it, the rod 201 provided at one side rotates in a counterclockwise direction and at the same time the control connector 230 In this case, the hinge shaft 231 formed at one side of the control connector 230 pushes the guider groove 241 of the bolt lock part 240 so that the bolt lock part 240 is inward of the frame part 110. Is inserted.

And, the insertion is inserted into the frame 110 and at the same time by operating the connecting rod 250 provided on one side of the long stopper 280 is separated from the latch bolt adjuster 260 to remove the interference, latch bolt The latch bolt fixing part 290 provided at the lower end of the 271 is introduced into the frame part 110.

Then, when the handle is provided to the outside by holding the handle portion rotates by the latch bolt adjustment unit 290 is fixed to the inside of the clockwise rotation and at the same time pull the slider 270 at the bottom to the left The latch bolt 271 at the end is separated from the door frame and becomes openable, and the door is opened when the handle part is pulled out.

When the door is opened and released, the elastic member 272 and the latch bolt control spring 262 are in the initial state (the latch bolt protrudes). When the door is closed, the latch bolt 271 is closed. When the slider 270 is inserted into the inner side by the inclined surface of the), the latch bolt 110 is fixed as the latch bolt 110 is inserted into the fixing part of the frame, but when the door opening direction is different, the inclined surface of the latch bolt 110 is fixed. At this time, after removing the frame part 110 from the door (before installation), remove the cover of the frame part 110, and then artificially push the slider 270 inside the latch bolt 271 to the outside. Rotating 180 ˚ in the middle of protruding sufficiently to make the direction of the inclined surface the same as the closing direction of the door, there was a troublesome problem to be assembled.

In addition, since the locking direction of the long stopper 280 is unknown on the cover plate of the frame unit 110, there is a troublesome problem of having to remove the cover again.

The unlocking device of the door easy to change the direction of the locking unit according to the present invention has a slider for forming a semi-circular guider groove and the insertion hole integrally and an end fitted with the elastic member from the inside of the guider groove into the insertion hole. A latch bolt integrally formed with a fixing member having a threaded portion in the threaded portion and a protrusion formed with a threaded hole for inserting the threaded portion, and a protrusion mark on the front side of the cover plate on which the long stopper is disposed, thereby providing a rotational direction (locking direction) of the handle portion. It is to provide an unlocking device of the door to be known.

1 is an exemplary view showing an internal configuration of an unlocking device according to the related art;

2 is a front view of the unlocking device according to the related art;

3 is a cross-sectional view of an operating state according to the related art,

(A) is before the sliding part is pulled out to change the direction of the locking part,

(B) The state which pulled out a sliding part and rotated the locking part 180 degrees.

4 is an exemplary view showing an internal configuration of an unlocking device according to the present invention;

5 is an exemplary front view of the unlocking device according to the present invention;

5 is an exploded perspective illustration of the unlocking device according to the present invention;

6 is a longitudinal sectional view in the operating state of the present invention;

(A) is before drawing the locking part out of the sliding part,

In Fig. 2B, the locking part is pulled out from the sliding part to rotate the direction.

Explanation of symbols for main parts of the drawings

(10): Slider (11): Guider Home

(12): insertion hole (20): elastic member

30: fixing member 31: threaded portion

(40): Latch Bolt (41): Protrusion

(41a): screw hole (50): cover plate

(52): protrusion marker

The configuration of the unlocking device for a door according to the present invention will be described with reference to the exploded perspective illustration and configuration diagram as follows.

The inner side of the frame part is provided with the master cylinder, yoke, cylinder set screw, control connector, bolt lock part, and connecting rod to be interlocked, and an elastic member is provided to contact the frame inside the latch bolt so that the slider part can move left and right smoothly. In the unlocking device in which the latch bolt is rotatably hinged to the end of the slider to change the direction according to the closing direction of the door, the latch bolt 40 is connected to the end of the slider (10) Wherein the slider 10 has a semi-circular guider groove (11) formed at its end and integrally provided with an insertion hole (12) penetrating the guider groove (11), the latch bolt (40) ) Integrally forms a projection 41 in which a screw hole 41a is formed on the side opposite to the inclined surface.

The combination of the slider 10 and the latch bolt 40 is inserted into the guider groove 11 while the elastic member 20 is inserted into the fixing member 30 having the threaded portion 31 at the end thereof. The protrusion part 41 is inserted into the hole 12, and it is fixed by rotating in the state which matched the screw hole 41a and the screw part 31. FIG.

The semi-circular groove portion 61 for preventing the fixing member 30 from being retracted from the insertion hole 12 is formed of a stopper portion 60 provided integrally.

In addition, a protruding mark that enables the user to know which latch bolt adjuster provided inside the handle part on the front of the cover plate 50 where the long stopper is located (one side of the handle part of the inner and outer sides is fixed). It consists of having a part 52.

The operation of the present invention configured as described above is as follows.

When the operator or user wants to install the unlocking device on one side of the door, the inclined surface of the latch bolt 40 provided at the end of the slider 10 should be directed in the same direction according to the closing direction of the door. The attachment operation of the unlocking device is completed by inserting the part into the inside of the door, fixing the cover plate 40 to the front thereof by using fixing means, and then assembling the handle parts to both sides of the door.

Thereafter, when the upper and lower sides of the latch bolt 40 are pulled by using a tool such as a plier, the fixing member 30 inserted into the guider groove 11 through the hole 12 is an elastic member on the outside. While compressing the 20, it comes out in the same direction (cover plate), the latch bolt 40 is completely out of the front of the cover plate 50, and then rotated 180 degrees, the tool that was holding the latch bolt 40 At the same time, the fixing member 30 is inserted into the guider groove 11 due to the elastic force of the elastic member 20 and is positioned inside the cover plate 40 in a changed direction.

On the other hand, when changing the fixing direction (locking direction) of the handle portion to the inner side or the outer side, when looking at the protruding mark portion 52 displayed on the front surface of the cover plate 50 where the long stopper is located and rotated in the direction of rotation thereof, The long stopper rotates to fix the latch bolt adjuster connected to the inner and outer handle portions.

As described above, the present invention is characterized in that the present invention includes a sliding part having a guider groove formed at one end of the housing and a fixing member and an elastic member inserted into the guider groove to fix the locking part. Useful invention to prevent the invasion of the outside by allowing the locking of the inside and the outside arbitrarily fixed to the locking portion to conveniently replace the locking part according to the opening direction of the front and to display the change of direction on the front to be.

Claims (1)

The inner side of the frame part has a master cylinder, yoke, cylinder set screw, control connector, bolt lock part, and connecting rod, and an elastic member is provided to contact the frame inside the latch bolt so that the slider part can move left and right smoothly. In the unlocking device, the latch bolt is rotatably hinged to the end of the slider so as to change the direction according to the closing direction of the door. a) the slider 10 which integrally formed the semicircular guider groove 11 and the insertion hole 12; b) a fixing member (30) having a screw portion (31) at an end fitted together with the elastic member (20) from the inner side of the guide groove (11) to the insertion hole (12); c) a latch bolt 40 integrally formed with a protrusion 41 in which a screw hole 41a for inserting the screw portion 31 is formed; d) a stopper part 60 having a semicircular groove part 61 integrally provided to prevent the fixing member 30 from being separated; e) A door unlocking device for easily changing the direction of the locking part, characterized in that a protruding marker 52 is provided on the front surface of the cover plate 50 on which the long stopper is located.