KR20150098498A - Door-lock mortise improved support of deadbolt - Google Patents

Abstract

According to the present invention, disclosed is a mortise door lock having an improved dead bolt supporting force, which prevents the dead bolt from being forcibly introduced into a mortise even if a strong shock is applied to a dead bolt, thereby improving security performance. The present invention provides a door lock mortise having an improved dead bolt supporting force, which comprises: a mortise body having a dead bolt and a latch bolt provided therein; a rotary body for operating the dead bolt and the latch bolt; a knob driving body connected to a manual drive shaft to drive the dead bolt; and a dead bolt stopper which is moved up/down in the mortise body by the rotation of the knob driving body and selectively supports a dead end of the dead bolt.

Description

{DOOR-LOCK MORTISE IMPROVED SUPPORT OF DEADBOLT}

[0001] The present invention relates to a door lock moth with improved dead bolt bearing capacity, and more particularly, to a door lock bolt with a dead bolt holding force capable of preventing a dead bolt from being forced into the inside of a mortis even if a strong impact is applied to the dead bolt, It is about improved door lock motis.

Generally, door locks are widely used in entrance doors of general houses or in entrance doors of apartments, businesses, offices, and bank safes.

Such a door lock comprises an outer operating portion provided on the outer side of the door, an inner operating portion provided on the inner side of the door, and a motis locking device installed in the door, and in general, the mortis locking device installed in the door has a dead bolt and a latch bolt And has a structure in which a coupling groove is formed in the upper and lower portions in the door frame corresponding to the position.

In the case of the latch bolt, a portion of the dead bolt, which is fitted in the coupling groove formed in the door frame, forms an inclined surface or a gently curved surface in one side .

Accordingly, when the door is opened, the handle is rotated to operate the door. However, when the door is closed, the inclined surface of the latch bolt contacts the door frame and is pushed into the door to close the door.

1, the conventional door lock motor according to the present invention has a structure in which the operation of the dead bolt 520 in the main body 500 of the door lock is controlled by the driving force of the driving motor 560 The drive gear 562 connected to the dead bolt 520 is rotated by the driving gear 562 and the connecting portion 564 so that the dead bolt 520 is forcedly drawn from the outside by a tool or the like. There is a limit to support this.

Accordingly, in the conventional door lock, an intruder forcibly pulls the dead bolt 520 by using a tool or the like, and the door lock is forcibly opened and intruded. This also has the same problem that the lever driving method other than the gear connecting method as shown in FIG. 1 is similarly durable against the force for forcibly pulling the dead bolt 520.

It is an object of the present invention to provide a door lock motor with an improved dead bolt holding ability that can prevent a dead bolt from being forced into the inside of a mortis even if a strong impact is applied to the dead bolt, The purpose is to provide.

According to an aspect of the present invention, there is provided a Mortise body including a dead bolt and a latch bolt; A dead bolt assembly including the dead bolt and a rotary body for operating the latch bolt; A knob drive body for driving the dead bolt assembly; And a dead bolt stopper which is movable in a predetermined direction in the mothis main body by rotation of the knob driving body and selectively supports the end of the dead bolt assembly.

The pivotal body and the knob drive body may be configured to be interlocked with each other through a link member formed in the motis body.

Preferably, the knob drive body is provided so as to abut the connection groove formed in a part of the dead bolt assembly, and the knob drive body is rotated to the left and right so that the dead bolt is drawn and drawn.

The dead bolt stopper is installed to be movable in a certain direction in the main body of the motor, and the upper portion of the dead bolt stopper can be elastically supported by a spring.

The deadbolt stopper may be moved in a predetermined direction when the knob drive body is turned in one direction so that the support state with the deadbolt assembly can be released.

According to the present invention, it is possible to prevent the dead bolt from being forcibly released by supporting the end portion of the dead bolt through the plate-shaped stopper in the locked state of the door lock, thereby improving the durability and security performance of the product.

In addition, according to the present invention, the rotary body and the knob driving body are interlocked with each other through the link member, thereby making it possible to simplify the interlocking structure by the operation of the inner and outer knobs.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing the internal configuration of a conventional door lock motis;
FIG. 2 is a combined state diagram of a door lock motor with improved dead bolt supporting force according to an embodiment of the present invention, FIG.
FIG. 3 is a block diagram showing the internal configuration of a mortise main body of a door lock motor with improved dead bolt supporting capability according to an embodiment of the present invention;
FIG. 4 is a perspective view showing the configuration of a rotary body of a door lock motor with improved dead bolt supporting force according to an embodiment of the present invention; FIG.
FIG. 5 is an exploded perspective view of a rotary body of a door lock motor with improved dead bolt supporting force according to an embodiment of the present invention, FIG.
FIG. 6 is a partially enlarged view showing a state in which a dead bolt of a door lock motor with improved dead bolt supporting force according to an embodiment of the present invention is pulled out (door lock lock state)
FIG. 7 is a partially enlarged view showing an initial state of rotation of a knob drive body of a door lock mottice with improved dead bolt supporting performance according to an embodiment of the present invention;
FIG. 8 is a partially enlarged view showing a state in which a knob drive body of a door lock mottice with improved dead bolt holding force according to an embodiment of the present invention is rotating,
9 is a state diagram showing a state in which a dead bolt of a door lock motor with improved dead bolt supporting force according to an embodiment of the present invention is inserted (a door lock unlock state)
FIG. 10 is a state view showing a state in which a deadbolt stopper of a door lock motor with improved dead bolt supporting force according to an embodiment of the present invention supports the deadbolt;
FIG. 11 is a state diagram showing a state in which a deadbolt stopper of a door lock motor having an increased dead bolt holding force according to an embodiment of the present invention is raised by rotation of the knob driving body,
12 is a state diagram showing a state in which the fixing of the dead bolt is released by the operation of Fig.
FIG. 13 is a state view showing a unlocking state of a dead bolt according to an elevation of a deadbolt stopper of a door lock motor with improved dead bolt supporting capability according to an embodiment of the present invention; FIG.
FIG. 14A is a partial perspective view showing a state in which a deadbolt stopper of a door lock Mortice supporting a dead bolt assembly according to an embodiment of the present invention supports the deadbolt assembly, FIG.
FIG. 14B is a structural view showing a deadbolt assembly of a door lock motor with improved deadbolt support according to an embodiment of the present invention; and FIG.
15 is a partial perspective view showing a state in which a dead bolt stopper of a door lock motus having an improved dead bolt holding force according to an embodiment of the present invention is raised by rotation of the knob driving body.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Referring to FIG. 2, a door lock motor with improved dead bolt holding capability according to the present invention has a structure in which a mortise body 300 is installed between an outer body 100 and an inner body 200.

Specifically, the outer body 100 includes an outer handle 120, a handle shaft 140 connected to the outer handle 120, a key cylinder 130, and a key cylinder shaft 150 connected thereto.

The inner body 200 also has an inner knob 220 and includes a knob shaft 240 connected to the inner knob 220 and a knob shaft 250 connected to the knob 230 and the knob 230.

3, the mortise body 300 is provided with a dead bolt 320 and a latch bolt 310. The driving axes (e.g., 140 'and 240') of the inner and outer grips 120 and 220 are coupled And a rotary body 370 rotated and rotated.

And includes a knob shaft 250 for manual driving and a knob driving body 350 connected to the key cylinder shaft 130 and rotated. At this time, the rotary body 370 and the knob driving body 350 can be interlocked with each other through the link member 380. [

In addition, an edge bolt 390 may be provided as a means for detecting when the door is closed, and a driving motor 340 may be provided to automatically drive the knob driving body 350 by electronic authentication or the like. May be provided.

The dead bolt 320 is drawn or drawn into the side of the mothis body 300 by the rotation of the knob drive body 350, thereby locking and unlocking the door lock. In this case, the dead bolt 320 may include a dead bolt assembly 330 having a dead bolt tip 321 and a dead bolt body 322 coupled to each other as shown in FIG. 14B. At this time, the deadbolt body 322 is formed with a connecting groove 323 for connecting the knob driving body 350.

On the other hand, a dead bolt stopper 360 mounted movably up and down to selectively support the dead bolt 320 is provided at the distal end of the dead bolt 320. 5, the dead bolt stopper 360 is formed with a long hole 364 by a predetermined distance in the vertical direction and a guide pin 363 is formed on the inner surface of the mortise main body 300 so that the long hole 364 is guided. Is fixed.

With such a configuration, the deadbolt stopper 360 can move in the longitudinal direction of the slot 364 with respect to the guide pin 363 (that is, movable in the vertical direction by a certain distance). Also, the deadbolt stopper 360 is supported by the spring S so that even if the deadbolt stopper 360 is raised, it can be restored to its original position by the elastic force of the spring S.

6, the dead bolt stopper 360 is formed with a stopping end 362 for supporting the end of the dead bolt 320, and a guide end 361 abutting on the knob driving body 350 is provided at a lower portion thereof . At this time, the guide end 361 abuts against the tip of the knob drive body 350 and is positioned so as to be raised when the knob drive body 350 is turned.

The end of the dead bolt stopper 360 is provided to abut the inner side surface of the mortise main body 300 so that the dead bolt 320 is not retracted even if a pressing force is applied to the dead bolt 320, (Not shown).

4 and 5, the rotary body 370 includes an intermediate rotary body 372 interposed between the upper rotary body 371 and the rotary body base 373.

Specifically, an upper rotary body connecting end 377 is protruded from the upper rotary body 371, and a mounting portion 378 (i.e., a mounting pin 37 is fastened to the mounting recess 374) The moving body 371 and the rotary body base 373 are fastened to each other through the fastening pin B. [ On the other hand, the intermediate rotary body 372 is interposed between the upper rotary body 371 and the rotary body base 373, and the intermediate rotary body 372 can be turned at a certain angle therebetween. At this time, the intermediate swing member 372 has a latch drive end 376 and an intermediate swing member connection end 375 at its tip end.

When the upper rotary body 371 rotates, the rotary body 370 having such a configuration can pull the latch bolt 310 by pulling the latch end 311 abutting the upper rotary body connection end 377 Which is connected to the drive shaft of the inner handle). Further, the intermediate pivot connection end 375 of the intermediate pivot member 372 is provided so as to abut the distal end of the link member 380. [ Accordingly, the link member 380 can be pivoted to pivot the knob drive body 350, thereby allowing the dead bolt 320 to be drawn in.

10 to 15, when the knob drive unit 350 is rotated, the dead bolt 320 moves linearly so that the dead bolt 320 is drawn or drawn. Further, when the knob driving body 350 is turned clockwise, the dead bolt stopper 360 supported at the tip is raised. The dead end of the dead bolt 320 can be released by moving the stop end 362 of the dead bolt stopper 360 supporting the end of the dead bolt 320 upward. In this state, the knob driving body 350 is turned as shown in FIG. 13, so that the dead bolt 320 can be completely drawn into the inside of the body 301 of the motor.

10, the dead bolt stopper 360 is lowered by the elastic force of the spring S to support the end portion of the dead bolt 320 as shown in FIG. In this state, even if a large external force is applied to the dead bolt 320, the dead bolt 320 serves as a kind of intermediate block for preventing the dead bolt 320 from being forcibly drawn into the inside of the mortise main body 300.

While the present invention has been particularly shown and described with reference to the particular embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

100: outer body 120: outer handle
130: key cylinder 140: handle shaft
150: key cylinder shaft 200: inner body
220: inner handle 230: knob
240: Knob shaft 250: Knob shaft
300: Mortise body 310: Latch bolt
320: Dead bolt 390: Edge bolt
340: drive motor 350: knob drive element
260: Dead bolt stopper 370:

Claims (6)

A mortise body 300 having a dead bolt 320 and a latch bolt 310;
A dead bolt assembly 330 including the dead bolts 320 and a rotary body 370 for operating the latch bolts 310;
A knob drive body 350 for driving the dead bolt assembly 330; And
And a deadbolt stopper 360 movable in a predetermined direction in the mothis main body 300 by the rotation of the knob drive body 350 and selectively supporting the distal end of the deadbolt assembly 330 Door lock motice with improved dead bolt bearing feature. The method according to claim 1,
Wherein the rotary body (370) and the knob drive body (350) are configured to be interlocked with each other through a link member (380) formed in the body (300). The method according to claim 1,
The knob drive body (350)
The dead bolt assembly 330 is provided so as to abut the connection groove 323 formed in a part of the dead bolt assembly 330 and the knob drive body 350 is rotated to the left and right to draw out and draw the dead bolt 320 Door bolts with improved deadbolt support. The method according to claim 1,
The deadbolt stopper (360)
A movable body 300 movable in a predetermined direction within the body 300,
Wherein the dead bolt stopper (360) is elastically supported by a spring (S). 5. The method of claim 4,
The deadbolt stopper (360)
When the knob driving body (350) is turned in one direction, the knob driving body (350) is moved in a predetermined direction to release the supporting state with the dead bolt assembly (330). The method according to claim 1,
The rotary body 370 has an intermediate rotary body 372 interposed between the upper rotary body 371 and the rotary body base 373. The intermediate rotary body 372 is provided with a latch drive end 376, And a connecting end (375) is formed on the bottom surface of the door bolt (37).

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