KR20140104167A - Door-lock having rotated hook - Google Patents

Abstract

The present invention discloses a door lock provided with a rotatable hook. The present invention relates to a striker having an inlet groove formed therein; A door lock main body disposed to face the striker; A pivoting lever member mounted inside the door lock body and manually or automatically rotating; A dead bolt moving in a horizontal direction in the door lock main body by rotation of the pivotal lever member; A link member connected to a distal end of the pivoting lever member; And a rotatable hook which is inserted in the dead bolt and formed with a slit in an oblique line with respect to an axis, and a head portion formed at a tip of the insertion portion and insertable into a lead-in groove of the striker, The connecting shaft of the link member is inserted and the turning lever member is rotated in one direction so that the connecting shaft of the link member is moved in the slit and the head is moved to the inlet groove of the striker 50 And the head portion is rotated in the lead-in groove.

Description

Description of the Related Art [0002] Door-lock having rotated hooks [0003]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a door lock provided with a rotatable hook, and more particularly, to a door lock provided with a rotatable hook for preventing forced detachment using a tool from the outside.

In general, door locks (locking devices) are widely used in general houses or apartments, businesses, offices, and the like. Typically, door locks are used for entrance doors, bank safes, and access control devices to suggest access to specific areas.

Such a door lock will be briefly described as follows. 1 is a view showing a conventional door lock.

A door 1 is provided on the door D and a deadlock is provided so as to move between a locking position A on the outer side of the housing 1 and a releasing position B on the inner side of the housing 1, And a drive motor 5 for transferring the bolt 3 and the dead bolt 3 between the locking position A and the unlocking position B. [

The deadbolt 3 is moved from the unlocking position B inside the housing 1 to the locking position A outside the housing 1 while moving the locking hole 7a of the striker 7 provided on the door frame D1, Lt; / RTI > Thereby locking the door D to the door frame D1.

The dead bolt 3 moves between the locking position A and the unlocking position B while being guided by the guide protrusion 8 provided on the housing 1.

However, in the conventional door lock, an intruder inserts a tool or the like between the door D and the door frame D1, forcibly opens the door D and the door frame D1, There is a problem in that the bolt 3 can be forcibly moved and forced disengagement (aka: pinch nail drawing) can be performed.

In the related art, a hook is protruded to both sides of a dead bolt to engage the striker. However, the structure is complicated and the hook and the striker are caught by each other.

The present invention has been made to solve the above problems, and it is an object of the present invention to provide a dead bolt that can be fastened to a striker in a state of being rotated by a striker through a dead bolt rotated at the time of withdrawal, And it is an object of the present invention to provide a door lock provided with a rotatable hook which can be simple but can improve the fastening force.

According to an aspect of the present invention, there is provided a striker comprising: a striker having a receiving groove; A door lock main body disposed to face the striker; A pivoting lever member mounted inside the door lock body and manually or automatically rotating; A dead bolt moving in a horizontal direction in the door lock main body by rotation of the pivotal lever member; A link member connected to a distal end of the pivoting lever member; And a rotatable hook which is inserted in the dead bolt and formed with a slit in an oblique line with respect to an axis, and a head portion formed at a tip of the insertion portion and insertable into a lead-in groove of the striker, The connecting shaft of the link member is inserted and the turning lever member is rotated in one direction so that the connecting shaft of the link member is moved in the slit to move the head to the inlet groove of the striker, There is provided a door lock provided with a rotatable hook in which the head portion is rotated.

The slit may be formed as a straight slit in a straight line section and a slit slit formed in an oblique direction with respect to the axial direction.

The head portion of the rotatable hook may have a rectangular shape.

When the pivoting lever member is positioned at 12 o'clock direction, the dead bolt is pulled into the inside of the door lock body, and when the pivoting lever member is positioned at 3 o'clock or 9 o'clock direction, And the rotary hook of the dead bolt is rotated inside the inlet groove when the rotary lever member is located at the 6 o'clock position.

According to the present invention, there is provided a door lock having a dead bolt mounted on the inside of a door lock main body and inserted and released into and from a striker by rotation of a pivotal lever member to lock and unlock the door lock, And a rotatable hook that is rotated inside the striker when the dead bolt is inserted into the striker.

The rotating hook may include an insertion portion inserted into the dead bolt and a head portion rotated inside the striker.

A slit slit formed by a straight slit and an oblique slit in an axial direction is formed in the insertion portion of the rotary hook, a moving slit having a predetermined length is formed on a side surface of the dead bolt, and a pair of links A member is connected and an end of the link member can be connected through a connecting pin running on the moving slit so as to move along the linear slit and the slanted slit.

Wherein when the tip of the pivoting lever member is positioned at 12 o'clock, the dead bolt is pulled into the interior of the door lock body, and when the tip of the pivoting lever member is located at 3 o'clock or 9 o'clock, The deadbolt is protruded to be inserted into the entry groove of the striker. When the tip of the pivoting lever member is positioned at 6 o'clock, the rotary hook of the dead bolt is rotated inside the striker, .

A mounting hole is formed in front of the dead bolt, a pair of guide slits are formed in the upper and lower portions of the insertion hole, and mounting protrusions are formed at the ends of the insertion portions of the rotary hooks along the guide slits .

The mounting projection is inserted along the guide slit so that the rotatable hook can freely rotate when it is positioned at the end of the insertion hole.

According to the present invention, when the deadbolt is pulled out, the rotary hook is rotated in the inlet groove of the striker, thereby improving the fastening force. Thus, it is possible to prevent the rotary hook from being forcedly unlocked from outside using a tool or the like, The effect can be improved.

1 is a view showing a conventional door lock,
FIG. 2 is a view illustrating a door lock having a rotatable hook according to an embodiment of the present invention; FIG.
FIG. 3 is a view showing a configuration of a rotary hook of a door lock provided with a rotary hook according to an embodiment of the present invention;
FIG. 4 is a view illustrating a configuration of a pivoting lever member of a door lock having a rotatable hook according to an embodiment of the present invention;
FIG. 5 is a view showing a configuration of a deadbolt of a door lock with a rotatable hook according to an embodiment of the present invention (a state in which a rotatable hook is removed)
FIG. 6 is a block diagram illustrating the configuration of a striker of a door lock provided with a rotatable hook according to an embodiment of the present invention;
FIG. 7 is a view showing a state in which a dead bolt of a door lock having a rotatable hook is pulled in (unlocked state) according to an embodiment of the present invention;
FIG. 8 is a view showing a state in which a dead bolt of a door lock having a rotatable hook is taken out according to an embodiment of the present invention; FIG.
FIG. 9 is a state diagram showing a rotating hook (locked state) of a door lock provided with a rotatable hook according to an embodiment of the present invention; FIG.
FIG. 10 is a perspective view showing a state in which a rotatable hook of a door lock with a rotatable hook is separated from a dead bolt according to an embodiment of the present invention; FIG.
FIG. 11 is a view showing a state in which a rotary hook of a door lock having a rotary hook according to an embodiment of the present invention and a dead bolt are fastened together. FIG.
FIG. 12 is a view illustrating a state in which a dead bolt of a door lock having a rotary hook according to an embodiment of the present invention is inserted into a door lock main body. FIG.
FIG. 13 is a view illustrating a state in which a dead bolt of a door lock having a rotary hook according to an embodiment of the present invention is pulled out from the inside of the door lock main body. FIG.
Fig. 14 is a view showing a state in which the rotating lever member is rotated in the state of Fig. 13 to rotate the rotating hook;
FIG. 15 is an operating state showing operation of a rotary hook of a door lock provided with a rotary hook according to an embodiment of the present invention; FIG.
FIG. 16 is an operating state showing an operating state of a dead bolt advancing process of a door lock having a rotatable hook according to an embodiment of the present invention; FIG.
FIG. 17 is an operating state diagram showing a state (neutral state) immediately before entering a hook rotation process in a forward state of a deadbolt of a door lock having a rotary hook according to an embodiment of the present invention, and
Fig. 18 is an operational state view showing a state in which the rotatable hook is rotated in the state of Fig. 17;

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

 2 to 18, a door lock having a rotatable hook according to an embodiment of the present invention includes a door lock body 10, a rotation lever member 20, a link member 30, a dead bolt 40, And comprises a typical hook 60 and a striker 50.

The striker 50 is disposed so as to face the door lock main body 10 (usually disposed in the door frame), and a lead-in groove 51 for receiving the dead bolt 40 is formed. At this time, the inlet groove 51 has a shape (hereinafter referred to as an opening groove) 55 that is open on both sides so as to be rotatable in a state in which the rotatable hook 60 is drawn (see FIG. 6).

In the above-described configuration, the pivoting lever member 20 is rotatably mounted on the door lock main body 10. The pivoting lever member 20 is automatically rotated by the motor M or is manually rotatable through a manual knob (not shown) mounted on the outside of the door lock.

On the other hand, the pivoting lever member 20 is composed of a tip 21 and a rotary gear 22 as shown in Fig. The rotary gear 22 is configured to receive the driving force of the motor M and the distal end 21 is connected to the link member 30 through a connection shaft 26 (see FIG. 12). 12, a pair of link members 31, 32, and 30 may be fixed to both ends of the distal end 21 via a connecting shaft 26, thereby increasing the stability of operation during operation.

Both ends of the link members 30 extend through the slits S1 and S2 of the rotatable hook 60 and have one end connected to the connecting pin 25 (Fig. 12) mounted on the moving slit 42 of the dead bolt 40 And the other end is connected to the front end 21 of the pivotal lever member 20 through the connecting shaft 26 so that the tip of the link member 30 (31, 32) moves according to the rotation of the pivotal lever member 20 And reciprocates in a linear direction in the slit 42. [ .

The connecting portion 43 of the dead bolt 40 is configured to move the dead bolt 40 forward when the tip end 21 of the pivoting lever member 20 abuts and the pivoting lever member 20 is pivoted counterclockwise When the pivotal lever member 20 is pivoted in the clockwise direction, the pivotal lever member 20 is retracted to be drawn into the interior of the door lock body 10 through the connection between the connecting portion 43 of the deadbolt 40 and the pivotal lever member 20 Respectively.

The dead bolt 40 has a first slit 46 and a second slit 47 formed vertically so that the deadbolt 40 can reciprocate in a linear direction and fixing projections (not shown) are formed in the slits 46, So as to guide the linear movement of the dead bolt 40. [0064]

In addition, the deadbolt 40 is formed with an insertion hole 41 in the front side, and a moving slit 42 is formed in the side of the side edge of the deadbolt 40 by a predetermined length (see FIGS. 5 and 10). A pair of guide slits 41a and 41b are formed in the insertion hole 41 of the dead bolt 40. These guide slits 41a and 41b are disposed in a diagonal direction to be formed at the distal end of the rotatable hook 60 When the rotatable hook 60 is inserted until the mounting protrusion 65 is guided and inserted until the guide slit 41a or 41b is released, the mounting protrusion 65 of the guide slit 41a or 41b is released from the constraint, The head portion 61 of the rotatable hook 60 can be freely rotated.

As described above, the rotary hook 60 is inserted into the insertion hole 41 of the dead bolt 40, and the rotary hook 60 is composed of the head portion 61 and the insertion portion 62. At this time, the head portion 61 is a component positioned inside the lead-in groove 51 of the striker 50 when the dead bolt 40 is pulled out. Preferably, the head portion 61 may be formed in a rectangular shape, so that both ends of the head portion 61 are positioned in the open groove 55 opened to both sides of the inlet groove 51 when the inlet groove 51 rotates. At this time, the shape of the head portion 61 is not limited to a rectangular shape but may include various shapes (polygonal or elliptical shape) that can be interfered with the opening groove 55 in accordance with the rotation.

3 and 10, the insertion portion 62 of the rotatable hook 60 is formed with a slit that is connected to the distal end of the link member 30. Specifically, as shown in FIGS. 3 and 10, the linear slit S1 and the slit- S2 may be formed in a continuous form.

That is, the insertion portion 62 of the rotatable hook 60 is inserted into the insertion hole 41 of the dead bolt 40, and a part of the insertion slit 42 is exposed. The insertion portion 62 of the rotatable hook 60 connected to the distal end of the link member 30 on the moving slit 42 is connected to the connecting pin 30 of the link member 30 by the straight slit S1 and the slanted slit S2, (25) is moved.

13, when the deadbolt 40 is moved to the front side and the rotary hook 60 connected to the front end of the link member 30 is rotated, The pivoting lever member 20 is continuously pivoted as shown in Fig. 14, and is rotated from the 3 o'clock position to the 6 o'clock position (in this case, according to the right / left door lock system, The link member 30 moves to the inlet side and moves the slit slit S2 through the linear slit S1 to rotate the rotary hook 60 along the diagonal line 18 degrees are rotated in the same manner). The head portion 61 of the rotatable hook 60 is made to rotate in a state of being rotated in the inlet groove 51 of the striker 50 (that is, rotated 90 degrees).

Such an operating state will be described in more detail with reference to FIGS. 7 to 18. FIG.

7 and 12, when the tip end 21 of the pivoting lever member 20 of the present invention is positioned at the 12 o'clock side, the dead bolt 40 is pulled into the door lock main body 10, It shows the sea state.

When the pivoting lever member 20 is pivoted in this state (the state of Figs. 7 and 12) so that the pivoting lever member 20 is positioned at 9 o'clock (see Fig. 8) or 3 o'clock 40 are pulled out. In this state, the leading end connecting pin 25 of the link member 30 is positioned on the linear slit S1 of the rotating hook 60, and the pivoting lever member 20 is rotated from the 9 o'clock or 3 o'clock direction to the 6 o'clock position The link member 30 is moved along the pivotal lever member 20 and the leading end connecting pin 25 of the link member 30 is moved from the linear slit S1 to the slanted slit S2 16 to 18).

The connecting shaft of the link member 30 moves along the slanted slit S2 so that the head portion 61 of the rotating hook 60 rotates 90 degrees. At this time, the tip end 21 of the pivoting lever member 20 supports the end of the dead bolt 40, so that the dead bolt 40 can be prevented from being forcedly pulled by the external pressure.

9 and 14, the tip of the dead bolt 40 is positioned in the inlet groove 51 of the striker 50, and the rotary hook 60 is positioned at 90 degrees in the inlet groove 51 So that it is in a locked state (engaged state) in the lead-in groove 51 by forming a rotated state.

When the pivoting lever member 20 is rotated in the opposite direction (clockwise rotation) in this state (as shown in Figs. 9 and 14), the pivoting hook 60 moves along the slanted slit S2 to the link member 30 The head portion 61 of the rotatable hook 60 is rotated so as to be in the vertical direction and the deadbolt 40 is rotated through the connecting portion 42 when the rotatable lever member 20 continues to rotate to the 12 o'clock position Is pulled into the interior of the door lock main body 10, thereby forming a door lock state. The head portion 61 of the rotary hook 60 is rotated in parallel with the dead bolt 40 at the time of pulling the dead bolt 40 so that the inlet groove 51 is not interfered on both sides of the inlet groove 51, So that it can be drawn into the interior of the door lock main body 10.

The present invention can improve the fastening force by rotating the rotary hook 60 in the inlet groove 51 of the striker 50 when the dead bolt 40 is pulled out, And the security can be improved with a simplified configuration.

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.

10: Door lock main body 20:
21: leading end 22: rotary gear
30: link member 40: dead bolt
50: striker 60: rotatable hook

Claims (10)

A striker 50 formed with a lead-in groove 51;
A door lock main body 10 installed to face the striker 50;
A pivoting lever member 20 mounted inside the door lock main body 10 and manually or automatically rotating;
A dead bolt (40) moving in the horizontal direction in the door lock body (10) by rotation of the pivoting lever member (20);
A link member 30 connected to a tip end 21 of the pivotal lever member 20;
An insertion portion 62 inserted in the dead bolt 40 and formed with a slit in an oblique direction with respect to an axis thereof and an insertion portion 62 formed at the distal end of the insertion portion 62 and inserted into the insertion groove 51 of the striker 50 And a rotatable hook 60 composed of a possible head portion 61,
The connecting pin 25 of the link member 30 is inserted into the slit of the inserting portion 62 and the turning lever member 20 is rotated in one direction so that the connecting pin 25 Is moved in the slit and the head portion 61 is rotated in the lead-in groove 51 in a state where the head portion 61 is moved to the lead-in groove 51 of the striker 50 Wherein the locking hook is in a locked state. The method according to claim 1,
Wherein the slit comprises a linear slit (S1) of a straight line section and a slit (S2) formed of an oblique line with respect to an axial direction. 3. The method according to claim 1 or 2,
And the head portion (61) of the rotatable hook (60) is formed in a rectangular shape. 3. The method according to claim 1 or 2,
When the tip 21 of the pivoting lever member 20 is positioned at the 12 o'clock position, the dead bolt 40 is pulled into the interior of the door lock body 10,
The dead bolt 40 is in a state in which the dead bolt 40 is projected to be drawn into the inlet groove 51 of the striker 50 when the tip 21 of the pivotal lever member 20 is positioned at 3 o'clock or 9 o'clock ,
When the tip end 21 of the pivoting lever member 20 is positioned at 6 o'clock position, the rotatable hook 60 of the dead bolt 40 is rotated inside the inlet groove 51 to be locked Wherein the door is provided with a rotatable hook. A door lock comprising a deadbolt (40) mounted in a door lock main body (10) and inserted and released into and from a striker (50) by rotation of a pivotal lever member (20)
And a rotatable hook 60 inserted in the dead bolt 40 and rotated inside the striker 50 when the dead bolt 40 is inserted into the striker 50 Wherein the door is provided with a rotatable hook. 6. The method of claim 5,
The rotary hook 60 includes an insertion portion 62 inserted into the dead bolt 40,
And a head portion (61) rotated inside the striker (50). The method according to claim 6,
The insertion portion 62 of the rotary hook 60 is formed with a straight slit S1 and a slanted slit S2 formed by an oblique slit in the axial direction,
A moving slit 42 having a predetermined length is formed on a side surface of the dead bolt 40,
A pair of link members 31 and 32 are connected to the tip 21 of the pivoting lever member 20 and the ends of the link members 31 and 32 are connected to the straight slit S1 and the slanted slit S2, Is connected through a connecting pin (25) running on the moving slit (42) to move along the slit (42). 8. The method of claim 7,
When the tip 21 of the pivoting lever member 20 is positioned at the 12 o'clock position, the dead bolt 40 is pulled into the interior of the door lock body 10,
The dead bolt 40 is in a state in which the dead bolt 40 is projected to be drawn into the inlet groove 51 of the striker 50 when the tip 21 of the pivotal lever member 20 is positioned at 3 o'clock or 9 o'clock ,
The rotary hook 60 of the dead bolt 40 is rotated inside the striker to be locked when the front end 21 of the rotary lever member 20 is positioned at 6 o'clock. A door lock provided with a rotatable hook. 9. The method of claim 8,
An insertion hole 41 is formed in front of the dead bolt 40. A pair of guide slits 41a and 41b are formed in the upper and lower portions of the insertion hole 41,
And a mounting protrusion (65) guided along the guide slits (41a, 41b) is formed at a distal end of the insertion portion (62) of the rotatable hook (60). 10. The method of claim 9,
The mounting protrusion 65 is inserted along the guide slits 41a and 41b and is positioned at the distal end of the insertion hole 41 when the guide slits 41a and 41b are separated from the guide slits 41a and 41b. Wherein the rotary hook is rotatable.

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