KR200444396Y1 - Door lock device - Google Patents

Abstract

The present invention enables the locking or disengaging operation immediately by the upper and lower pivoting operation of the inner handle without installing a separate thumb turn on the handle mounted inside the door. The present invention relates to a door lock device that can be driven elastically.

The present invention has a handle that is mounted on the inside and the outside of the door, and by sliding the latch bolt and the dead bolt installed in the casing of the operation unit by the operation of the handle, respectively, to perform the function of locking and releasing the door In the door lock device, the spindle is integrally formed at the tip of the inner handle, and at one side of the body of the spindle, a locking jaw bent to the inner diameter side is provided, and the inner diameter of the spindle is connected to the locking jaw in the forward and reverse directions. The locking hub is rotated by the shaft, and it is configured to lock or release the dead bolt by operating the shaft.

Door, thumb, operating unit, latch bolt, dead bolt

Description

Door lock device

1 is an exploded perspective view of a main portion for explaining a conventional door lock device;

FIG. 2 is a diagram illustrating a main part of an operation relationship between a latch bolt and a dead bolt of the door lock device shown in FIG. 1;

3 is a perspective view separately showing the thumb turn configuration of the door lock device shown in FIG.

Figure 4 is an exploded perspective view of the main portion for explaining the door lock device according to the present invention,

5 is a schematic cross-sectional view showing a state in which the door lock device of FIG. 4 is assembled;

6a, 6b is a view for explaining the operation relationship of the operation unit according to the present invention,

7a and 7b is a view showing the operation of the cylinder and the locking hub of the inner handle according to the present invention.

* Description of the symbols for the main parts of the drawings *

20A, 20B: Handle 21: Housing

22: rotation regulation part 23a, 23b: stopper

24A, 24B: Spindle 25: Shaft

26: engaging jaw 27: cutout

28a, 28b: Bond 29: Locking Hub

30a: through groove 30b: groove

40: operating unit 41A: casing

41B: Covers 42a and 42b: Slits

43: spindle washer 44A: latch bolt

44B: Dead bolt 45a, 45b: Connecting bar

46: torsion spring 47: clamp

48: drive piece 49: latch cam

49a: locking bar 50: spindle connector

51: concave groove 52: torsion spring

52a: bend 53: long hole

54: fixed shaft

The present invention relates to a lock device installed in a swing-type door, and more specifically, it is locked by the upper and lower pivoting operation of the inner handle without installing a separate thumb turn on the handle mounted inside the door. Or it relates to a door lock device to enable the resilient operation as well as to elastically drive the dead bolt installed in the operating unit in a simpler configuration.

In general, the door lock device is used to open and close the door by rotating the handle installed at the indoor and outdoor sides of the door in the forward and reverse directions. It can be locked by the door, and the door is unlocked only when a key is used outdoors to allow access.

However, in the conventional door lock device, since the dead bolt is locked, the key bolt or the thumb turn can be released, so when the user operates the inner handle to open the door, the latch bolt is unlocked but the dead bolt is closed. Since the lock state is maintained, the knob must be operated to turn the dead bolt to the unlocked state and then rotate the inner handle to open the door.

Therefore, the opening process of the door is very cumbersome and when the door is opened quickly, such as a fire or an emergency in a building, such a locking method may be a time delay, which is not preferable.

In view of such a point, as the typical door lock device designed in recent years, the technique disclosed in the publication of Korean Utility Model Registration No. 225346 can be exemplified.

As shown in Figs. 1 to 3, the left and right fixing pieces 4a and 4b of the pipe 3, which are connected to the thumb turn 2 provided on the inner handle 1, rotate the spindle 5, as shown in Figs. Operation and dead bolt 8B of the latch bolt 8A provided in the box assembly 7 by the engaging piece 6b formed in the shaft hole 6a while penetrating through the shaft hole 6a of the spindle washer 6 through it. ) Can be unlocked.

In addition, the dead bolt (8B) is able to give elasticity in the locking and disengaging direction by the torsion spring (12) which is coupled to the tension spring (10) and the spindle cap (11) connected by the fixed tube (9).

Therefore, the door is opened more quickly as the lock is released by the rotation of the inner handle 1 without the need to operate the thumb 2 again while the door is locked by the thumb turn 2 when the door is opened and closed indoors. In this structure, the locking operation by the thumb turn 2 is inevitably performed.

Moreover, in the above structure, in order to operate the dead bolt 8B installed in the box assembly 7, the torsion to give the dead bolt 8B to the dead bolt 8B during forward and reverse rotation of the spindle cap 11 is provided. In addition, the device itself becomes complicated because of a certain amount of movement distance of the dead bolt 8B by the separate tension spring 10 including the spring 12, and mechanical malfunction occurs easily due to external impact. It was to contain.

The present invention is made to solve the problems as described above, the object of the present invention is to provide a separate hub to the locking hub mounted on the inner diameter of the spindle formed integrally on the inner handle of the door to operate the shaft It is to provide a door lock device that can lock or release the dead bolt by the inner handle itself without installing.

In addition, another object of the present invention is to operate the dead bolt to move horizontally and elastically in the operating unit in a simpler configuration in connection with the rotational operation of the inner handle to provide a door lock device that does not cause mechanical malfunction In providing.

The present invention for achieving the above object has a handle which is mounted on the inside and the outside of the door, respectively, by sliding the latch bolt and the dead bolt installed in the casing of the operation unit by the handle operation of the door In the conventional door lock device that performs the locking and closing function, the spindle is integrally formed at the front end of the inner handle, and at one side of the body of the spindle, a locking jaw bent to the inner diameter side is provided, and the inner diameter of the spindle is provided. The locking hub is mounted and configured to rotate in the forward and reverse directions by the locking jaw, and the shaft installed in the spindle of the outer handle is assembled to the locking hub through the latch cam and the spindle connector in the operating unit. When the latch cam rotates during operation, It characterized in that is configured to be able to terminate the lock bit.

The locking hub has a rectangular through-groove is formed in the center of the body, the circumferential surface portion is characterized in that the groove is provided so that the engaging jaw formed in the spindle is located.

The shaft is mounted to the lock bundle of the outer handle is fitted into the through groove of the locking hub mounted on the inner handle through the latch cam and the spindle connector installed in the operating unit.

The latch cam is configured to be able to slide the dead bolt in the horizontal direction during the rotation operation of the latch cam by the engaging rod is mounted at one end of the body is connected to the concave groove formed in the connection bar of the dead bolt, the connection A torsion spring having a bent portion at one end is assembled on the fixed shaft which protrudes into the long hole formed in the bar, so that elasticity is provided when the latch cam is rotated.

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

4 to 7a and 7b are views for explaining the door lock device according to the present invention, as shown in these drawings, the door lock device of the present invention is largely inside and outside the door (D) as in the prior art, respectively Handles 20A and 20B to be installed, and the operation unit 40 to perform the locking and unlocking function of the door (D) by these handles (20A, 20B).

As shown in Figs. 4 and 5, the inner and outer handles 20A and 20B are elastically mounted inside the housing 21, including respective housings 21 which are tightly fixed to the door D. It is comprised so that a predetermined angle rotation operation | movement may be performed in the forward and reverse directions in the state installed horizontally by the rotation control piece 22 and the stoppers 23a and 23b which were made.

In addition, the outer handle (20B) has a built-in ordinary lock (not shown) to lock or unlock the door (D) using a key outdoors, in the spindle (24B) of the outer handle (20B) As the mounted shaft 25 is penetrated through the operation unit 40 to the inner handle 20A side, the interlocking operation is possible, and this structure is already applied to the overall swing door.

On the other hand, in the inner handle 20A of the present invention, the spindle 24A is integrally formed at the front end of the body, and one side of the body of the spindle 24A is provided with a latching jaw 26 bent to the inner diameter side. At the same time, a pair of binding pieces 28a, 28b divided by the cutout portion 27 are formed at the end thereof.

An inner diameter portion of the spindle 24A includes a locking hub 29 that rotates in the forward and reverse directions in association with the locking jaw 26.

A rectangular through hole 30a through which the shaft 25 passes is formed in the center of the body of the locking hub 29, and a recessed jaw 26 formed in the spindle 24A is provided with a groove 30b in a part of the circumferential surface thereof. ), The shaft 25 can be operated during the rotation of the locking hub 29 (see FIGS. 7A and 7B).

In addition, the spindle washer 43 having a pair of slits 42a and 42b is symmetrically formed on both side plates of the casing 41A and the cover 41B constituting the operation unit 40, and the inner handle 20A. The binding pieces 28a and 28b formed on the spindles 24A and 24B of the < RTI ID = 0.0 > 20B < / RTI > are assembled (only one side is shown in Fig. 4), and a conventional latch is provided in the casing 41A as shown in Figs. 6A and 6B. The bolt 44A and the dead bolt 44B are configured to engage the respective connecting bars 45a and 45b to slide in the horizontal direction.

In addition, at the end of the connecting bar 45a of the latch bolt 44A, a U-shaped driving piece 48 is mounted via a clamp 47 elastically installed by the torsion spring 46, and the dead bolt At the end of the connecting bar 45b of 44B, a latch cam 49 and a spindle connector 50 which are rotated in the forward and reverse directions by the shaft 25 are installed to operate the driving piece 48.

The shaft 25, which is connected to the outer handle 20B through the spindle 24B, is connected to the locking hub 29 through the latch cam 49 and the spindle connector 50 installed in the operation unit 40. It is tied to the inner handle 20A side in the assembled state fitted into the through groove 30a of the.

In addition, the latch cam 49 is latched by a latching rod 49a mounted at one end of the body and connected into a recess 51 formed outside the upper end of the connection bar 45b of the dead bolt 44B. When the cam 49 is rotated, the dead bolt 44B can be projected in the horizontal direction, and the latch cam 49 is configured to impart elasticity by the torsion spring 52.

That is, the torsion spring 52 is assembled on the fixed shaft 54 located in the long hole 53 formed at one side of the body of the dead bolt (44B) and at the same time the casing (41A) and the latch cam ( It is held between the 49 to give elasticity to the latch cam 49, at this time dead as the latch cam 49 is guided by the bent portion (52a) formed at one end of the torsion spring (52) It is possible to regulate the locking and unlocking position of the bolt 44B.

According to the present invention as described above, when the inner and outer handles 20A and 20B are first operated by a user, the handles are controlled by the pivoting control piece 22 and the stoppers 23a and 23b mounted inside the housing 21. It is possible to rotate the operation 20A, 20B at a predetermined angle, and at this time, the spindle connector 50 in which the binding pieces 28a, 28b formed at the distal ends of the spindles 24A, 24B are provided in the operating unit 40. By rotating the drive piece 48 and the clamp 47 elastically by rotating the latch bolt (44A) is released to the door (D) can be freely opened.

In addition, in the outdoor, the latch cam 49 operates in the forward and reverse directions by operating the shaft 25 using a key to the lock bundle built in the outer handle 20B in a normal manner. The door (D) can be locked or released by retracting 44B).

In addition, a locking jaw 26 is formed in the spindle 24A integrally formed on the inner handle 20A mounted inside, and the inner diameter portion rotates in the forward and reverse directions in association with the locking jaw 26. Since the locking hub 29 is built-in, it is possible to perform the locking and releasing function of the door D without installing a separate thumb turn.

That is, as shown in FIGS. 7A and 7B, a shaft 25 extending through the operating unit 40 from the outer handle 20B is assembled into the through groove 30a formed in the locking hub 29. Since the locking jaw 26 of the spindle 24A is located in the groove 30b formed on the circumferential surface of the locking hub 29, the locking hub 29 operates according to the operation of the inner handle 20A, and the shaft 25 Can be rotated.

Accordingly, when the inner handle 20A is rotated in the clockwise direction, as shown in FIG. 6A, as shown in FIG. 6A, the latch cam 49 is rotated clockwise by the shaft 25 to connect the connecting bar 45b of the dead bolt 44B. In this case, the support portion of the latch cam 49 elastically moves out of the bent portion 52a of the torsion spring 52 and is positioned at an inclined portion to maintain the dead bolt 44B. .

On the contrary, when the inner handle 20A is rotated counterclockwise, as shown in FIG. 6B, the latch cam 49 is rotated counterclockwise by the shaft 25 as shown in FIG. 6B. 45b is moved to the left direction, and at this time, the support portion of the latch cam 49 is elastically out of the bend portion 52a of the torsion spring 52 and positioned at the horizontal portion to lock the dead bolt 44B. Will be maintained.

As such, when the dead bolt 44B is maintained in the released state, the latch bolt 44A is slidably moved by the pivoting operation of the inner handle 20A to allow the door D to freely enter and exit the door D. If an emergency situation occurs while the bolt 44B is locked, the dead bolt 44B and the latch bolt 44A are released at the same time by rotating the inner handle 20A so that the door D can be opened quickly and easily. will be.

The above embodiment is described with respect to the most preferred example of the present invention, and is not limited to the above embodiment, it will be apparent to those skilled in the art that further modifications are possible without departing from the technical spirit of the present invention.

As described above, according to the door lock device according to the present invention, because the locking hub is attached to the inner diameter of the spindle formed integrally with the inner handle of the door to operate the shaft, do not install a separate thumb The dead bolt can be locked or unlocked immediately, and the door can be released more quickly and easily if an emergency occurs while the dead bolt is locked.

In addition, the present invention can be operated in a simpler configuration of the dead bolt to move horizontally and elastically in the operating unit in connection with the rotation operation of the inner handle, thereby improving the assembly workability and greatly reduce the occurrence of mechanical malfunction Can be reduced.

Claims (5)

In the conventional door lock device having a handle mounted on the inside and the outside of the door, and by sliding the latch bolt and the dead bolt installed in the casing of the operation unit by the operation of the handle to perform the locking and unlocking function of the door. In The spindle 24A is integrally formed at the tip of the inner handle 20A, and at one side of the body of the spindle 24A, a locking jaw 26 bent to the inner diameter side is provided, and the inner diameter of the spindle 24A is provided. The locking hub 29 is mounted to rotate in the forward and reverse directions by the locking jaw 26, The inner handle is assembled by the shaft 25 installed in the spindle 24B of the outer handle 20B to the locking hub 29 via the latch cam 49 and the spindle connector 50 in the operating unit 40. The door lock device, characterized in that the latch cam (49) is rotated during the operation of (20A) to slide the connecting bar (45b) to lock or release the dead bolt (44B). According to claim 1, The locking hub 29 has a rectangular through groove (30a) is formed in the center of the body, the circumferential surface portion of the groove so that the engaging jaw (26) formed on the spindle 24A is located 30b) is provided. 3. The shaft (25) according to claim 1 or 2, wherein the shaft (25) is mounted to the lock bundle of the outer handle (20B) and is connected to the inner side through the latch cam (49) and the spindle connector (50) installed in the operating unit (40). Door lock device, characterized in that inserted into the through groove (30a) of the locking hub (29) mounted on the handle (20A). The latch cam (49) is connected to the recessed groove (51) formed at the connecting bar (45b) of the dead bolt (44B) by a locking rod (49a) mounted at one end of the body. One side on the fixed shaft 54 which is configured to slide the dead bolt 44B in the horizontal direction during the rotation operation of the latch cam 49, protruding into the long hole 53 formed in the connecting bar (45b) Door lock device, characterized in that the torsion spring (52) having a bent portion (52a) at the front end is assembled to give elasticity when the latch cam (49) rotates. delete

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