KR100721281B1 - Mortise of doorlock - Google Patents

Abstract

The present invention is to provide a door lock mortis so that the door can be easily locked and easy to use, the number of parts can be lowered ghost while the structure is simple to increase the reliability of the product by reducing the failure rate,

A housing 100 inserted and mounted to expose the side surface of the door 10; A slide member (200) coupled to the inside of the housing (100) so as to be slidable from side to side and having a latch bolt (250) formed at one end thereof with a slope (252) projected to the outside of the housing (100); A first spring 300 mounted inside the housing 100 and gripping the latch bolt 150 to protrude out of the housing 100; A first pivot link 450 hinged to one side of the slide member 200 and rotatably coupled to the other end of the slide member 200; A first rotatable member 500 rotatably installed at one side of the first pivot link 450 and having a protruding jaw 520 protruding outwardly at one circumference thereof and having a connection hole 510 formed therein at a central portion thereof; It is rotatably coupled to the circumference of the first rotating body 500, the engaging groove 570 wider than the width of the protrusion jaw 520 is formed on one side of the inner circumferential surface to be inserted into the projection jaw 520 is rotated only at a predetermined angle A second rotating body 550 having one side circumference protruding outwardly from the first pressing protrusion 580 for rotating the first pivoting link 450; A second pivoting link whose one end is hinged to one side of the engaging groove 570 of the second rotating body 550 and the other end is supported by the third spring 340 to the outside of the first rotating body 500. 600; A pivot arm 700 having one end hinged to the other side of the first pivot link 450 to be rotatable and a hinge hole 742 formed at the other end; A rotating shaft 800 rotatably coupled to the hinge hole 742 of the pivoting arm 700 and having a connecting groove 820 formed at a circumference thereof in a direction crossing the axial direction; One end of the second pivoting link 600 is rotatably coupled to one end and the other end is inserted into the connecting groove 820 of the rotary shaft 800 and one end of the second pivoting link 600 according to the operation. Pressing protrusion 920 for pressing or releasing the pressure is formed and the other end of the second rotating link 600 is caught on the protruding jaw 520 of the first rotating body 500, the first and second rotating bodies (500,550) Compression link 900 is configured to rotate at the same time, the second circumference of the second rotating body 550 agent for rotating the pressure link 900 in accordance with the rotation of the second rotating body 550 Door lock mortis is provided, characterized in that the two pressing projections (590) protruding outwardly.

Housing, Latch Bolt, Spring, Rotary Link, Pressurized, Rotating Body, Solenoid

Description

Mortise of doorlock

1 is an exploded perspective view of a door lock mortis according to the present invention

Figure 2 is a front view of the coupled state of the door lock mortis according to the present invention

Figure 3 is a state of retracting the latch bolt of the door lock mortis according to the present invention

Figure 4 and Figure 5 is an operating state of the locking by rotating the rotational arm of the door lock mortis according to the present invention

Figure 6 is a rear view of the locked state of the door lock mortis according to the present invention

Figure 7 is an operating state of the lock to the first rotating body of the door lock mortis according to the present invention

8 and 9 is an operating state to release the locking by operating the solenoid of the door lock mortis according to the present invention

<Description of the symbols for the main parts of the drawings>

100. Housing 200. Slide member 250. Latch bolt

252. Slope 300. First spring 400. Rotation stopper

450. First rotating link 500. First rotating body 520. Protruding jaw

550. Second rotating body 570. Hanging groove 600. Second rotating link

700. Rotating rock 800. Rotating shaft 820. Connecting groove

900.Pressure link 920.Pressure protrusion 980.Solenoid

The present invention relates to a mortise of the door lock, and more particularly, is mounted on the side of the door such as a fire door to operate the locking device with a handle, a rotary knob or a key to keep the door closed or locked in the door frame. It is about the mortis of the door lock.

In general, a latch lock and a dead bolt are respectively mounted to a mortise (lock box) which is installed in the front door and locks the door so that the door lock can be inserted from the side of the door. It is connected to the handle and the rotary knob, respectively fixed to the body mounted on the. At this time, the door lock is provided with a mechanical locking device for locking the dead bolt using a key.

Accordingly, the latch bolt and the dead bolt are protruded to the side of the mortis, that is, the side of the door according to the operation of the lock with the handle and the rotary knob or the key, and the latch bolt and the dead bolt are mounted on the door frame in which the door is mounted. It is inserted into each of the formed insertion grooves to support the door in the closed state or the locked state.

However, such a conventional door lock mortis has been very difficult to use because it is necessary to operate the lock device with a key to lock the dead bolt, and in particular, it is difficult to operate the lock device with a key in a dark place such as at night.

In addition, the door lock mortis not only have to be provided with a latch bolt and a dead bolt, but also have to operate the latch bolt and the dead bolt separately, so that the number of parts is large, the volume is large, the structure is complicated, and the cost of the product is high. Of course, there was a problem that the failure of the product is less reliable reliability.

In particular, in the conventional products, pure mechanical and electronic wells were separately developed, and thus, the development cost was duplicated.

Therefore, the present invention has been proposed to solve the fundamental problems of the prior art as described above, the object of the present invention is to be easy to use the door to lock the door is easy to use, the number of parts and the structure is simple to reduce the cost It is possible to lower the failure rate and increase the reliability of the product.In particular, it provides door lock mortis, which enables to install / remove the solenoid, which is an electrostatic crystal component, as necessary, thereby avoiding the redundant investment of development cost. It is to.

In order to achieve the above object, the present invention includes a housing which is inserted and mounted to expose the side of the door; A slide member slidably mounted left and right inside the housing and having one end coupled to a latch bolt having a slope which is protruded out of the housing; A first spring mounted inside the housing and holding the latch bolt to protrude out of the housing; A first pivoting link rotatably coupled to one side of the slide member and hinged to the other end of the slide member; A first rotatable body rotatably installed at one side of the first pivot link and having a protruding jaw protruding outwardly at one peripheral portion thereof and having a connection hole formed at a central portion thereof; Is rotatably coupled to the circumference of the first rotating body, the inner peripheral surface is formed with a locking groove wider than the width of the protruding jaw on one side so that the protruding jaw is rotated only at a predetermined angle, and the first rotational link is retracted on one side A second rotating body having a first pressing protrusion projecting outwardly; A second pivoting link whose one end is hinged to one side of the engaging groove of the second rotatable body and the other end is supported by a third spring outwardly of the first rotatable body; A rotation arm having one end hinged to the other side of the first pivot link and rotatably formed at the other end thereof; A rotating shaft rotatably coupled to the hinge hole of the pivotal arm and having a connecting groove formed at a circumference thereof in a direction crossing the axial direction; One end of the second rotational link is rotatably coupled to one end and the other end is inserted into the connecting groove of the rotary shaft, and one end is formed with a pressing projection for pressing or releasing the second rotational link in accordance with the operation The other end of the second rotating link is composed of a pressurizing link that is caught by the protruding jaw of the first rotating body so that the first and second rotating bodies can be rotated at the same time. The second pressing projection for rotating the pressure link in accordance with the rotation is characterized in that the outward projection.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

<Example 1>

1 is an exploded perspective view of the door lock mortis according to the present invention, Figure 2 is a front view of the coupled state of the door lock mortis according to the present invention, Figure 3 is a state diagram retracted the latch bolt of the door lock mortis according to the present invention. And, Figure 4 and Figure 5 is an operating state diagram for rotating and locking the pivoting arm of the door lock mortis according to the present invention, Figure 6 is a rear view of the locked state of the door lock mortis according to the present invention, Figure 7 is in accordance with the present invention The operation state diagram of locking by the 1st rotating body of door lock mortis.

 As shown, the door lock mortis according to the first embodiment of the present invention relates to a mechanical door lock mortis, and is mounted on the rectangular housing 100 and the housing 100 so as to be protruded out of the housing 100. A latch bolt 250 having a slope 252 formed on one side of the tip portion thereof, a slide member 200 mounted in the housing 100 to move the latch bolt 250 forward or backward, or to be locked, a rotation stopper 400, The first and second rotating bodies 500 and 550, the first and second rotating links 450 and 600, the rotating arm 700, the rotating shaft 800, the pressing link 900, the solenoid 900, and the like.

The housing 100 has a quadrangular shape and is inserted and mounted to be exposed to one side surface of the door 10. The through-hole 120 is formed at the center of one side, that is, the exposed side, and the latch bolt 250 is formed. Through the through-hole 120 is to be haunted to the outside of the housing 100. That is, the slope 252 side of the latch bolt 250 is sunk.

The slide member 200 is disposed in the transverse direction in the center of the housing 100 to be slidably left and right in the direction of the latch bolt 250 in the slide slot 140 formed in the transverse direction elongated in the housing 100. The latch bolt 250 is connected and fixed to one end thereof so that the slide member 200 and the latch bolt 250 move left and right together.

At this time, the other end of the slide member 200, the coupling hole 230 of the "┘" shape to allow the other end of the first rotation link 400 is coupled through, the upper end of the engaging jaw 210 This is formed so that the rotation stopper 400 is caught on the locking jaw 210 to limit the forward movement of the slide member 200.

In addition, the upper side of the slide member 200 is provided with a first spring 300 in the form of a torsion spring holding the slide member 200 in the forward direction. That is, the first spring 300 is to hold the latch bolt 250 to protrude to the outside of the housing 100. When the slide member 200 is retracted according to the operation, the first spring 300 is moved by the first spring 300. It will automatically return to the front.

The rotation stopper 400 is hinged to the upper portion of the slide member 200 to be rotated up and down to limit the amount of forward movement of the slide member 200, is fixed to the upper portion of the slide member 200 One end is coupled to the first hinge shaft 401 so that the other end is rotated up and down, but the other end is normally caught by the locking jaw 210 of the slide member 200, the slide member 200 ), That is, the latch bolt 250 fixed to the slide member 200 does not completely protrude out of the housing 100 but protrudes only a predetermined length.

At this time, the bottom of the other end of the rotation stopper 400 is formed with a bite groove 420 to be engaged with the engaging jaw 210 of the slide member 200. Therefore, when the pivot stopper 400 is rotated upward by the pivot arm 700, the slide member 200 is further advanced, and the bite portion 420 and the latching jaw 210 are engaged to further latch the bolt 250. To protrude but not to protrude anymore.

In addition, first and second protrusions 440 and 460 protruding forward are provided at both ends of the rotation stopper 400, and the second spring 320 and the pivot arm 700 are respectively formed on the first and second protrusions 440 and 460. To be jammed or pressurized.

At this time, the first hinge shaft 401 to which the rotation stopper 400 is coupled is provided with a second spring 320 having a torsion spring shape which holds the first protrusion 440 downward. Therefore, the other end of the pivot stopper 400 is downwardly crushed toward the slide member 200 by the second spring 320 so that the pivot stopper 400 is accurately caught by the locking jaw 210 of the slide member 200. To make it possible.

The first pivotal link 450 is hinged to the left and right sides of the lower end of the slide member 200 in a rotatable manner so that the slide member 200 is retracted according to the operation, and the other end of the slide member 200. The lower end is hinged to the second hinge shaft 402 fixedly installed at the lower side, and the coupling pin 471 is protruded from the upper end, and the coupling pin 471 is coupled to the coupling hole 230 of the slide member 200. do.

Therefore, when the first pivoting link 450 is rotated to the right by pressing the slide member 200 is retracted, when the pressing force of the first pivoting link 450 is released, the slide member 200 by the first spring (300) ) Advances.

At this time, the central portion of the first rotating link 450 is provided with a protrusion 470 protruding forward, thereby pressing the projection 470 to rotate the first rotating link 450 to the right.

The first rotatable body 500 is rotatably mounted to the housing 100 under the second hinge shaft 402, and a protruding jaw 520 protruding radially outward is integrally formed at one circumference thereof and is formed at the center of the first rotatable shaft 500. There is a rectangular connection hole 510 through which the outdoor handle (not shown) of the door 10 is inserted and fixed. Therefore, when the handle is rotated or rotated so that the first rotating body 500 is rotated clockwise in the unlocking state of the latch bolt 250, the first rotating body 500 moves the latch bolt 250 to the housing ( 100) stored inside.

The second rotating body 550 is rotatably coupled to the circumference of the first rotating body 500 to rotate the first rotating link 450 in accordance with the operation or to the pressure link 900 to be described later In order to be able to rotate forward, the inner wall surface one side circumference is formed with an inner concave engaging groove 570 is inserted into the projection jaw 520 of the first rotating body 500 of the projection jaw 520 It is formed wider than width. In addition, fitting grooves 595 into which interior handles (not shown) of the door 10 are inserted are formed at both sides of the inner wall surface of the second rotating body 550.

Therefore, when the latch bolt 250 is in the unlocked state, the protruding jaw 520 of the first rotating body 500 is one side of the locking groove 570 of the second rotating body 550 by the second rotating link 600. When the first rotary body 500 is rotated, the second rotary body 550 is also rotated, and when the second rotation is 550, the first rotary body 500 is also rotated. That is, even if only one of the first, second rotary bodies (500, 550) is rotated, they are rotated together.

Meanwhile, in the exemplary embodiment of the present invention, the outdoor handle is fixed to the first rotating body 500 and the indoor handle is fixed to the second rotating body 550. However, in some cases, the first rotating body ( Of course, the interior handle may be fixed to the interior handle on the second rotating body 550.

At this time, the first and second pressing portions 580 and 590 for rotating the first pivoting link 450 and the pressure linking 900, respectively, are integrally formed to protrude outward on both upper sides of the second rotating body 550. At the end of the second pressing portion 590, a pressing protrusion 591 protruding forward is formed.

Therefore, when the second rotating body 550 is rotated to one side (clockwise), the end of the first pressing part 580 presses the protrusion 470 of the first rotating link 450 and the first rotating link ( When the 450 is retracted and the second rotating body 550 is rotated to the other side (counterclockwise), the pressing protrusion 591 of the second pressing unit 590 presses the pressing link 900 to be described later to the front. It turns to the locked state.

The second rotating link 600 is to allow the first and second rotating bodies 500 and 550 to be rotated at the same time or not to rotate at the same time. The second rotating link 600 is formed of a pair connected in parallel with each other to form the second rotating body ( One end of the locking groove 570 of the 550, that is, the second pressing part 590 is pivotally coupled to one end and the other end is rotated up and down, while the other end is rotated by the third spring 340 by the first rotating body 500. ) Is burnt outward.

At this time, the other side bottom surface of the front link of the pair of the second rotating link 600 is formed with a bite groove 610 that is engaged with the protruding jaw 520 of the first rotating body 500, the rear side A locking protrusion 620 is provided on the other upper surface of the link to be caught by the second hinge shaft 402.

Therefore, when the locking link 250 is rotated to one side (right side) to be described later in detail, and the latch bolt 250 is unlocked, the pressing link 900 presses the second pivoting link 600 downward to rotate the biting groove. When the projection jaw 520 of the first rotating body 500 is engaged with the 610 so that the first and second rotating bodies 500 and 550 are rotated at the same time, any one of the interior and exterior handles of the door 10 rotates or rotates to form a latch bolt ( 250 may be accommodated in the housing 100 to open and close the door 10.

At this time, when the first rotating body 500 is rotated counterclockwise by using the outdoor handle of the door 10, the second rotating body 550 is also rotated at the same time, so that the second of the second rotating body 550 is rotated. The pressing unit 590 rotates the pressing link 900 to be described later to the left to make the locking state.

Then, when the pressing link 900 is rotated to the other side (left side) to lock the latch bolt 250, the other end of the second pivoting link 600 is rotated upward by the third spring 340 to engage the biting groove ( At the same time, the engagement protrusion 620 is caught by the second hinge shaft 402 and the first and second rotating bodies 500 and 550 are not rotated in the clockwise direction. The bolt 250 may not be retracted arbitrarily.

The pivot arm 700 is rotatably hinged to a position proximate to the upper wall surface of the housing 100 on the upper portion of the first pivot link 450 and is locked outdoors with a rotary knob for releasing the lock in the interior of the door 10. The key box for releasing the connection is connected, rotatably coupled to a position adjacent to the upper wall surface of the housing 100, the outer shape is formed in a rectangular shape, one corner of the corner facing each other is formed curved and the rotary knob and the key box in the center The boss 720 has a coupling hole 722 is coupled to the connection, and the wing 740 is formed to protrude radially outward in the lower circumference of the boss 720, the hinge hole 742 is formed through the end Is done. At this time, one side circumference of the wing 740 is integrally protruding protrusion 746 to pressurize the rotation stopper 400 to the upper side in accordance with the operation.

Accordingly, when the rotary arm 700 is rotated clockwise by inserting a key into the rotary knob or the key box in the indoor / outdoor of the door 10, the pressure link 900 to be described later rotates counterclockwise to the second rotation. Simultaneously with the release of the link 600, the projection 746 of the pivoting arm 700 pressurizes the pivoting stopper 400 upward so that the slide member 200 is further advanced so that the latch bolt 250 is completely moved. To protrude.

The rotating shaft 800 is rotatably coupled to the hinge hole 742 formed in the wing 740 of the pivoting arm 700 so as to smoothly rotate the pressure link 900 to be laterally rotated. The circumferential portion is formed with a connecting groove 820 penetrated in the direction crossing the axial direction.

The pressure link 900 has a lower end hinged to the second hinge shaft 402 and the upper end is inserted into the connecting groove 820 of the rotating shaft 800 to rotate the second arm according to the operation of the pivot arm 700. Pressing or releasing the link 600 downward, the hinge hinged to the second hinge shaft 420 from side to side and the plate-shaped hinge formed with a pressing projection 920 for pressing the second rotating link 600 Branch portion 910 and the end of the hinge portion 910 is formed integrally with the pin-shaped insertion portion 930 extending to be inserted into the connecting groove 820 of the rotary shaft (800). At this time, the fourth portion of the coil spring shape to maintain the pivotal arm 700 in the pivoted state by holding the pivotal arm 700 in a direction spaced apart from the pressure link 900 in the peripheral portion of the insertion portion 930 A spring 950 is provided.

According to this configuration, as shown in Figure 2, the door lock mortis, the other end of the rotation stopper 400 is caught in the latching jaw 210 of the slide member 200, the latch bolt 250 Is a state protruding about 12.5 mm to the outside of the housing 100, the pivot arm 700 and the pressure link 900 is rotated to the right, the pressing projection 920 of the pressure link 900 is the second rotation Pressing the link 600 downward to maintain the protruding jaw of the first rotating body 500 in engagement with the biting groove 620 of the second rotating link 600 to rotate the first and second rotating bodies 500 and 550 simultaneously. I can do it.

In this state, when the handle is rotated or rotated inside or outside the door 10 to rotate the first and second rotary bodies 500 and 550 clockwise (based on the front view), as shown in FIG. The first pressing part 580 of 550 presses the protrusion 470 of the first rotary link 450 so that the first rotary link 450 rotates clockwise and the slide member 200 is transferred to the right. The latch bolt 250 fixed to the slide member 200 is accommodated inside the housing 100 to open the door 10, and the first spring is released by releasing the interior and exterior handles of the door 10. The slide member 200 is moved forward by 300 to return to the initial state.

At this time, by operating the keybox with a rotary knob or key connected to the pivotal arm 700 inside and outside the door 10 to rotate the pivotal arm 700 in a clockwise direction, as shown in FIGS. 4 and 5. ) Is rotated counterclockwise at the same time as the pressing projection 920 is released from the second rotating link 600 and at the same time the other end of the second rotating link 600 is rotated upward by the third spring (340) The bite of the biting part 610 of the second rotating link 600 and the protruding jaw 520 of the first rotating body 500 is released, and the locking protrusion 620 of the second rotating link 600 is the second. The hinge shaft 402 is caught, and when the pivot arm 700 is fully rotated, the projection 746 formed on the wing 740 of the pivot arm 700 raises the second projection 460 of the pivot stopper 400. Rotating the stop stop 400 upward by pressing to separate the locking jaw 210 of the slide member 200, the slide member 200 is further advanced by the first spring 300 latch ball To ensure completely about 19.5㎜ protrusion (250) in the outer housing 100 is held in the locked state.

That is, the engagement portion 610 of the second rotation link 600 and the projection jaw 520 and the engagement of the first rotating body 500 is released, as shown in Figure 6, the second rotation link 600 The locking protrusion 620 is caught by the second rotating shaft 402 so that the first and second rotating bodies 500 and 550 are not rotated in the clockwise direction, thereby being locked.

In this state, when the pivoting arm 700 is rotated counterclockwise with a rotary knob or a key, the pivoting arm 700 is kept in an initial state and the locking is released.

In particular, the door lock mortis according to the present invention is not locked by the rotary knob or key, as shown in Figure 7 in the initial state, by lifting the outdoor handle of the door 10 to one side to the first rotating body 500 When rotated counterclockwise, the pressing projection 591 formed in the second pressing portion 590 of the second rotating body 550 presses the hinge portion 910 of the pressing link 900 to open the pressing link 900. The latch bolt 250 may be locked in the locked state by rotating counterclockwise.

<Example 2>

 8 and 9 illustrate a door lock mortise according to a second embodiment of the present invention. The same parts as the first embodiment are denoted by the same reference numerals and the description of the overlapping operation will be omitted. As shown, the second embodiment of the present invention illustrates an electronic door lock mortise that electronically releases the locking.

Referring to this in detail, on one side of the second rotating body 550, that is, the latch bolt 250 is disposed in parallel with the slide member 200 and the conveying direction and the piston 985 is projected to the rear A bidirectional solenoid 980 is provided, which is moved forward and backward by an electromagnet. The upper side of the solenoid 980 is rotatably hinged to a central part, and one end is connected to the piston 985, and the other end is connected to the second rotating link ( Expansion and contraction of the solenoid 980 located on the other end of the other end 600, that is, as the piston 985 of the solenoid 980 is retracted, the other end of the second rotating link 600 in the direction of the first rotating body 500. The fifth spring 987 in the form of a torsion spring, which is tangled with, is provided.

At this time, the fifth spring 987 is larger than the elastic force of the third spring 340 which is held up the other end of the second rotary link 600 to the upper side in a direction away from the first rotating body 500 Figure 8 As shown in FIG. 6, the other end of the rotating link 600 is forcibly rotated downward so as to be engaged with the engaging portion 610 of the second rotating link 600 and the protrusion 520 of the first rotating body 500. do.

That is, the locking protrusion 620 of the second pivoting link 600 is spaced apart from the second hinge shaft 402 and the engagement portion 610 and the protrusion 520 are engaged with each other. Therefore, when the handle is operated from the outside of the door 10 to rotate the first rotating body 500 in the clockwise direction, as shown in FIG. 9, the first pressing part 580 of the second rotating body 550 is rotated. The first pivot link 450 rotates to the right side, and the latch bolt 250 is accommodated into the housing 100 as the slide member 200 is retracted to open the door 10.

As described above, embodiments of the present invention have been described in detail, but the scope of the present invention is not limited thereto, and the scope of the present invention extends to the range substantially equivalent to the embodiments of the present invention.

As described above, according to the present invention, since the door lock mortise can keep the door closed or locked with one latch bolt, the latch bolt and the dead bolt are provided as in the related art, and the number of parts can be compared. Its simple structure makes it possible to reduce costs and reduce the rate of failures, thereby increasing the reliability of the product, and it is very convenient to use because it can be easily locked simply by rotating or rotating the outside handle of the door. .

In addition, the door lock mortis can also be unlocked electronically by mounting a solenoid if necessary, it is possible to avoid the overlapping investment compared to the mechanical and electronic well developed separately as in the prior art.

Claims (6)

A housing 100 inserted and mounted to expose the side surface of the door 10; A slide member (200) coupled to the inside of the housing (100) so as to be slidable from side to side and having a latch bolt (250) formed at one end thereof with a slope (252) projected to the outside of the housing (100); A first spring 300 mounted inside the housing 100 and gripping the latch bolt 150 to protrude out of the housing 100; A first pivot rotatably coupled to one side of the slide member 200 to a second hinge shaft 402 fixed to the housing 100 and the other end rotatably coupled to the slide unit 200. A link 450; A first rotatable member 500 rotatably installed at one side of the first pivot link 450 and having a protruding jaw 520 protruding outwardly at one circumference thereof and having a connection hole 510 formed therein at a central portion thereof; The locking groove 570 is rotatably coupled to the circumference of the first rotating body 500, and the protruding jaw 520 is formed at one side of the inner circumferential surface thereof, and the first rotation link 450 is formed at one circumference thereof. A second rotating body 550 having the first pressing force 580 rotating backwards outwardly; One end is hinged to one side of the engaging groove 570 of the second rotating body 550 and the other end is supported by the third spring 340 to the outside of the first rotating body 500, but the other end is a locking stone. A second pivotal link 600 which is provided with a 620 and locks the latch bolt 250 so that the locking projection 620 is caught by the second hinge shaft 402; A pivot arm 700 having one end hinged to the other side of the first pivot link 450 to be rotatable and a hinge hole 742 formed at the other end; A rotating shaft 800 rotatably coupled to the hinge hole 742 of the pivoting arm 700 and having a connecting groove 820 formed at a circumference thereof in a direction crossing the axial direction; One end of the second pivoting link 600 is rotatably coupled to one end and the other end is inserted into the connecting groove 820 of the rotary shaft 800 and one end of the second pivoting link 600 according to the operation. Composed of a pressure link 900 is formed with a pressing projection 920 to press or release the pressure, On the other circumference of the second rotating body 550, the second pressing portion 590 for pressing and rotating the pressing link 900 in accordance with the rotation of the second rotating body 550 is formed to protrude outwardly. Mortis of the door lock. The method of claim 1, wherein the locking jaw 210 is formed on one side of the slide member 200, One end is hinged to the other side of the slide member 200 to be rotatable and the other end is supported by the second spring 320 toward the slide member 200 so that the other end is caught by the locking jaw 210. Rotating stopper 400 is provided, the latch bolt 250 is protruded to the outside of the housing 100 by a predetermined length, When the pivoting arm 700 is rotated to one side, the other end of the pivoting stopper 400 is spaced apart from the locking jaw 210 of the slide member 200 so that the latch bolt 250 completely protrudes out of the housing 100. Mortis of the door lock characterized by that. According to claim 1, The pivoting arm 700 is hinged to the housing 100 to be pivotally rotated only at a predetermined angle, the central portion of the boss 720 through which the coupling hole 722 is formed, and one side of the boss 720 Protruding radially outwardly formed in the circumferential portion and the wing 740 is formed at the end of the hinge hole 742, the projection for rotating the rotation stopper 400 to one side circumference of the wing 740 ( 746) the door lock mortis, characterized in that formed integrally. According to claim 1, wherein the pressing link 900 is pivotally hinged to the housing 100, the plate-shaped hinge portion 910 is formed with the pressing projection 920 and the end of the hinge portion 910 Mortis of the door lock, characterized in that formed integrally formed with a pin-shaped insertion portion 930 is inserted into the rotary shaft 800, the connecting groove 820. The fourth portion of claim 4, wherein the rotation arm 700 is held in a circumferential portion of the insertion part 930 in a direction spaced apart from the pressure link 900 to maintain the rotation arm 700 in a pivoted state. Mortis of the door lock, characterized in that the spring 950 is provided. The solenoid 980 of claim 1, wherein the piston 985 is operated by an electromagnet, and the piston 985 is provided on one side of the second rotor 550. By operating the second end of the second rotating link 600, the other end of the first rotating body 500, the projecting jaw 520 is tangled, but the fifth spring 987 stronger than the elastic force of the third spring (340) Door lock mortis, characterized in that provided.

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