KR20080069090A - Door lock device - Google Patents

Abstract

A door lock device is provided to easily escape in case of an emergency by easily releasing locking of a door only by turning a handle, thereby minimizing generation of victims. A door lock device includes a housing, a deadbolt(20), an intermediation member(30) and first and second rotation members(40,50). The housing is installed at a door. The deadbolt is installed at the housing so as to be linearly moved in the direction projected and inserted from/in the housing and locks and unlocks the door. The intermediation member is coupled with the deadbolt to be linearly moved together with the deadbolt in case of linear movement of the deadbolt. The first rotation member has first and second pressure units(43,44). The first pressure unit is rotatably coupled with the housing and pressurizes the intermediation unit to linearly move the deadbolt in the direction inserted in the housing. The second pressure unit pressurizes the intermediation unit to linearly move the deadbolt in the direction projected from the housing. The second rotation member is rotatably coupled with the housing and a pressure unit(51) to pressurize the intermediation member to linearly move the deadbolt in the direction inserted in the housing in case of rotation of the first rotation member.

Description

Door lock device

1 is a schematic exploded perspective view of a door lock device according to an embodiment of the present invention.

FIG. 2 is a schematic exploded perspective view of the main components of the mortis shown in FIG. 1.

3 is a partial cross-sectional view schematically showing the internal structure of the mortis shown in FIG.

4A and 4B are partial cross-sectional views schematically illustrating a state in which the locking of the door is released by the first rotating member and the second rotating member in the mortis shown in FIG. 3.

5 and 6 are schematic cross-sectional views of the V-V line of FIG. 3, respectively, illustrating the depressurization and pressurization states of the intermediate member by the first rotating member.

7 is a schematic cross-sectional view taken along the line VII-VII of FIG. 5.

FIG. 8 is a schematic partial cross-sectional view of the mortis shown in FIG. 1 to explain the operation of the latch bolt.

9 is a schematic partial cross-sectional view of the mortis in the door lock device according to another embodiment of the present invention.

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

1,1a ... door lock unit 10 ... housing

14 ... motor 15 ... gear

20 ... dead bolt 21 ... fixing member

30 ... Measure member 31 ... Hinge section

32 ... plate 33 ... insert

34 ... Combination protrusion 35 ... Slope

40 first rotating member 41 groove

42 ... engagement groove 43 ... first pressure part

44.2nd pressure part 45 ... gear part

50 ... 2nd rotating member 51 ... pressure part

60 ... Latch bolt 61 ... Bolt section

62 Fitting protrusion 70 Moving member

71 Fitting groove 80, 80 a ... Adjusting member

90 ... Connecting member 95 ... Third rotating member

96 Rotator 100 Interior

111 Through hole 120 Handle

130.Rotating pin 200 ... Outside

220 ... handle 240 ... handle pin

300 ... mortis part

The present invention relates to a door lock device, and more particularly to a door lock device for locking and unlocking the door.

In general, the door lock device is widely used in general home houses or public buildings. Typically, door locks are used for entrance doors, bank vaults, and access controls to restrict access to specific areas.

Such a door lock device generally includes a housing installed in the door, a latch bolt protruding and immersed in the housing, and a dead bolt for locking and unlocking the door as it protrudes and immerses in the housing. The latch bolt is formed with a curved curved portion so as to contact the door holder when the door is closed and move in the direction in which the latch bolt is immersed. Then, the dead bolt is driven by the rotation of the motor to lock and unlock the door. In addition, when the door is closed, the sensing unit installed in the door detects the magnetic unit installed in the door holder to generate a detection signal, and the motor is driven by the detection signal to automatically lock the door.

In addition, a button for operating a motor and a rotatable handle are coupled to an indoor side of the door, and an authentication unit such as a number input unit for operating a motor, a fingerprint recognition unit, and a rotatable handle are installed on an outdoor side of the door. Therefore, in order to open and exit the door from the indoor side, press the button to operate the motor, and then open the door by turning the handle.In order to open and enter the door from the outdoor side, for example, enter the preset number to operate the motor. Turn the knob to open the door. As a result, the user turns the handle or the handle as the secondary operation after the primary operation for moving the dead bolt to open the door, for example, inputting a number or pressing a button.

By the way, in the door lock device configured as described above, in the case of an emergency, for example, in the event of a fire or an earthquake, the person in the room is mentally panic, so that the above-described primary operation, that is, the button Pressing does not unlock the door, but only turns the secondary, i.e., turns the handle. Therefore, there is a problem in that the locking of the door is not released and a person on the indoor side is trapped, resulting in human injury.

On the other hand, the door is generally formed with a delivery hole for delivering milk or newspapers, but recently, by inserting an extension for pressing the camera and the button into the delivery hole, by pressing the button by adjusting the extension while looking at the camera There are frequent cases of unlocking and intrusion. In addition, a number of cases of intruders who invade through the glass window unlock the door and escape through the door. Therefore, there is a need to further strengthen the locking function of the door lock device.

The present invention has been made to solve the above problems, an object of the present invention is to not only easily unlock the door in the indoor side in the event of an emergency, but also to lock the door through a delivery hole formed in the door in the outdoor side It is to provide a door lock device having an improved structure so that it can not be easily released and further intruders in the room can not easily unlock the door.

In order to achieve the above object, the door lock device according to the present invention comprises a housing installed in the door; A dead bolt installed in the housing so as to linearly move in a direction protruding and immersing with respect to the housing, for locking and unlocking the door; An intermediate member coupled to the dead bolt to linearly move with the dead bolt when the dead bolt moves linearly; A first pressing part rotatably coupled to the housing, for urging the intermediate member to linearly move in a direction in which the dead bolt is immersed with respect to the housing when the rotation is performed in one direction; and a rotation in a direction opposite to the one direction A first rotating member having a second pressing portion for urging the intermediate member to linearly move in a direction in which the dead bolt protrudes with respect to the housing; And a pressing unit rotatably coupled to the housing, the pressing unit configured to rotate relative to the first rotating member, and press the media member to linearly move in a direction in which the dead bolt is immersed with respect to the housing. And a second rotating member.

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

FIG. 1 is a schematic exploded perspective view of a door lock device according to an embodiment of the present invention, FIG. 2 is a schematic exploded perspective view of main components of the mortis shown in FIG. 1, and FIG. 3 is a perspective view of the mortis shown in FIG. 1. 4 is a partial cross-sectional view schematically illustrating an internal structure, and FIGS. 4A and 4B are partial cross-sectional views schematically illustrating a state in which a door is released by a first rotating member and a second rotating member in the mortis shown in FIG. 3. 5 and 6 are schematic cross-sectional views of the V-V line of FIG. 3, respectively, illustrating the depressurization and pressurization states of the intermediate member by the first rotating member, and FIG. 7 is a schematic view of the X-VIII line of FIG. 5. FIG. 8 is a cross-sectional view schematically illustrating the operation of the latch bolt as a partial cross-sectional view of the mortis shown in FIG. 1.

1 to 8, the door lock device 1 according to the present embodiment includes an indoor side part 100, an outdoor side part 200, and a mortise part 300.

The interior side part 100 has an interior side housing 110 coupled to the interior side of the door 2 and a handle 120 rotatably coupled to the interior side housing 110. The rotating pin 130 is fixed to the handle 120. The rotary pin 130 is disposed to be spaced apart from the rotation center axis C1 of the handle 120, and rotates around the rotation center axis C1 of the handle 120 of the handle when the handle 120 is rotated. In addition, the handle 120 is elastically biased to return to its original state by a torsion spring (not shown), and when the handle 120 is rotated and released, the handle 120 returns to its original state.

The outdoor side part 200 has an outdoor housing 210 coupled to the outdoor side of the door 2, and a handle 220 rotatably coupled to the outdoor housing 210.

The outdoor housing 210 is provided with an authentication unit, for example, a number input unit, a fingerprint recognition unit, a card authentication unit, and the like, and in this embodiment, a number input unit 211 is provided.

The handle pin 230 is fixed to the handle 220. The handle pin 230 is disposed to be spaced apart from the rotation center axis C2 of the handle, and rotates around the rotation center axis C2 of the handle when the handle is rotated. And, the handle 220 is elastically biased to return to the original state by the torsion spring (not shown), if the handle 220 is rotated and then released to return to the original state.

The handle 220 is rotatably coupled to the key bundle 240, the key hole 241 is formed. Key bundle 240 is rotatable relative to handle 220. Key bundle 240 is a bar-shaped shaft (not shown) is rotatably coupled. When the key corresponding to the shape of the key hole 241 is inserted into the key hole 241 and the key is rotated, the shaft rotates in the same direction as the rotation direction of the key. In addition, the shaft may be installed to be relatively rotatable with respect to the key bundle 240 within a predetermined angle.

The mortise portion 300 is installed inside the door 2. The mortise portion 300 includes a housing 10, a dead bolt 20, an intermediate member 30, a first rotating member 40, and a second rotating member 50.

The housing 10 is inserted into the door 2 so as not to protrude and immerse with respect to the side of the door 2 shown in phantom in FIG. 2. The housing 10 has a case 11, a front plate 12 and a cover 13 which are coupled to each other. The dead bolt through hole 121 and the latch bolt through hole 122 are formed in the front plate 12. In addition, a through hole 111 is formed in the case 11. The case 11 is provided with a motor 15 and a gear 15 coupled to the output shaft of the motor.

The dead bolt 20 is installed inside the housing 10 so as to be linearly movable in a direction projecting and immersed with respect to the housing 10. The dead bolt 20 locks the door 2 by being inserted into the dead bolt receiving hole 3a formed in the door holder 3 as shown in FIG. 2 through the dead bolt through hole 121. As shown, the lock is released from the door 2 by being separated from the dead bolt receiving hole 3a. In addition, the fixing member 21 is bolted to the dead bolt 20. The fixing member 21 is formed with a spherical coupling hole 21a.

The dead bolt 20 is elastically biased in a direction in which the dead bolt 20 protrudes and immerses with respect to the housing 10 when the door 2 is locked and unlocked, respectively. One end of the torsion spring 22 is fixed to the protrusion pillar 112 protruding from the case, and the other end of the torsion spring 22 is fixed to the protrusion pillar 36 protruding from the intermediate member to be described later.

The intermediate member 30 is coupled to the dead bolt to move linearly with the dead bolt when the dead bolt 20 moves linearly. The intermediate member 30 has a shape corresponding to the coupling hole 21a of the fixing member and is inserted into the coupling hole 21a in the direction of movement of the dead bolt from the end of the hinge portion 31. The plate part 32 is formed to be elongated, the insertion part 33 is formed to extend in the thickness direction of the door 2 from one side of the plate part, and the engaging projection part 34 is formed to extend in the immersion direction of the dead bolt from the side of the insertion part. do. An inclined surface 35 is formed between the plate portion 32 and the insertion portion 33 inclined with respect to the moving direction of the dead bolt.

The insertion part 33 is movable between the fitting position and the detachment position. In the state where the insertion part 33 is located in the fitting position shown in FIG. 5, the door 2 is locked, and the insertion part 33 is inserted in the through-hole 111. As shown in FIG. When the insertion portion is located at the disengagement position shown in FIG. 6, the insertion portion 33 is separated from the through hole 111, and the locking of the door 2 is released when the first rotation member 40, which will be described later, is rotated.

The intermediate member 30 is the hinge portion 31 is rotatable by a certain angle in the coupling hole (21a), thereby allowing the insertion portion 33 is selectively positioned in the insertion position and the release position. In the state shown in FIG. 6, the plate part 32 of the intermediate member is caught by the fixing member 21 such that the intermediate member 30 can no longer rotate. The intermediate member 30 is elastically biased in the direction approaching the first rotating member 40 described later by the torsion spring 37. One side of the torsion spring 37 is welded and fixed to the fixing member 21, and the other side of the torsion spring 37 is supported by the plate part 32 to press the plate part toward the first rotating member 40.

The first rotating member 40 is rotatably coupled to the housing 40. The first rotating member 40 is provided with a groove portion 41, a coupling groove portion 42, a first pressing portion 43, a second pressing portion 44, and a gear portion 45.

The groove portion 41 is formed on the outer surface of the first rotating member 40. In the locked state of the door 2, the insertion part 33 is inserted into the groove part 41 as shown in FIG.

Coupling groove portion 42 can be inserted into the engaging projection 34 of the intermediate member. When the coupling protrusion 34 is inserted into the coupling groove 42 as described above, the pressing unit 51 of the second rotating member 50 is rotated when the second rotating member 50 to be described later is rotated while the door 2 is locked. Even when the member 30 is pressed, the intermediate member 30 is caught by the coupling groove 42 so that the intermediate member 30 does not move in the immersion direction of the dead bolt 20. Thus, the locked state of the door 2 continues to be maintained.

The first press part 43 and the second press part 44 are formed on both sides of the groove part 41 and face each other. The first pressing part 43 and the second pressing part 44 press the insertion part 33 of the intermediate member when the first rotating member 41 rotates to protrude the dead bolt 20 against the housing 10. Or linearly move in the immersion direction. That is, when the first rotating member 40 rotates in one direction, that is, clockwise in the state shown in FIGS. 3 and 5, the first pressing part 43 slides with respect to the inclined surface 35 in the rotation process. 6, the continuous rotation of the first rotating member 40 in this state is pressed by the first pressing portion of the insertion member 33 of the intermediate member 30 and the dead bolt 20 will move to the right. That is, the intermediate member 30 is moved to the right while maintaining the rotation state shown in FIG. In addition, when the first rotating member 40 is rotated in a direction opposite to one direction, that is, counterclockwise in the state shown in FIG. 4A, the second pressing unit 44 inserts the intermediate member 33 in the rotation process. Pressurized so that the intermediate member 30 and the dead bolt 20 is moved to the left.

The gear part 45 is formed on the outer surface of the first rotating member and includes a plurality of teeth. Here, the plurality of teeth form an arc as a whole. The gear part 45 is directly engaged with the gear 15 coupled to the output shaft of the motor 14. Therefore, when the motor 14 is driven, the first rotating member 40 rotates clockwise or counterclockwise.

In addition, the first rotation member 40 is provided with fitting holes 46 and 47 into which the rotation pin 130 and the handle pin 230 are fitted. When the rotating pin 130 and the handle pin 230 rotates, the rotating pin and the handle pin do not contact the inner walls of the fitting holes 46 and 47, respectively.

On the other hand, the first rotating member 40 can be selectively positioned between the fully locked position shown in solid line in FIG. 5 and the general locking position shown in phantom line in FIG. 5 with the door 2 locked. When the first rotating member 40 is located in the fully locked position, the second rotating member 50, which will be described later, rotates so that the pressing part 51 of the second rotating member presses the insertion part 33 of the intermediate member. Since the engaging projection 34 of the member is caught by the inner surface of the engaging groove 42 of the first rotating member, the locked state of the door 2 is maintained continuously. When the first rotating member 40 is positioned in the general locking position, the pressing part 51 of the second rotating member presses the insertion part 33 of the intermediate member when the second rotating member 50 is rotated. (2) can be unlocked.

The second rotating member 50 is disposed to face each other in the thickness direction of the first rotating member 40 and the door. The second rotating member 50 is coupled to the first rotating member 40 so as to be relatively rotatable, and in particular, is disposed coaxially with the first rotating member 40 and the handle 120, respectively. The pressing unit 51 is formed in the second rotating member 50. The pressing unit 51 is disposed to face the side of the insertion unit 33, as shown in Figure 7, the first rotating member 40 is located in the general locking position when the intermediate rotation of the second rotating member The insertion portion 33 of the member is pressed to linearly move the dead bolt 20 in the direction immersed with respect to the housing 10. That is, when the second rotating member 50 is rotated in one direction, that is, clockwise in the state shown in FIG. 3, the second rotating member 50 may be pressed against the insertion part 33. As the pressing unit 51 presses the insertion unit 33, the intermediate member 30 and the dead bolt 20 move to the right as shown in FIG. 4B. At this time, the first rotating member 30 maintains the stopped state. In addition, the rotation path of the pressing unit 51 formed when the second rotating member 50 rotates does not meet with the rotation path of the first pressing unit 43 formed when the first rotating member 40 rotates. The pressing section 51 is not caught by the first pressing section 43. In addition, the second rotating member 50 is pressed by the rotating pin 130 when the rotating pin described above is rotated in the clockwise direction. In addition, the second rotating member 50 is formed with a coupling hole 54 into which the rotating body 96 described later is fitted, and a through hole 55 connected with the coupling hole 54.

The second rotating member 50 is connected to the intermediate member 30 via the torsion spring 53. One end of the torsion spring 53 is fixed to the protruding pillar 52 protruding from the second rotating member 50, and the other end of the torsion spring 52 is fixed to the protruding pillar 38 protruding from the intermediate member. .

In addition, the mortise portion 300 includes a latch bolt 60, a moving member 70, an adjusting member 80, a connecting member 90, a third rotating member 95, and a rotating body 96. It is further provided.

The latch bolt 60 is installed inside the housing 10 so as to be linearly movable in a direction protruding and immersed with respect to the housing 10 through the latch bolt through hole 122. The latch bolt 60 has a bolt portion 61 fitted into the through hole 122 with a small gap therebetween and a fitting protrusion 62 extending from an end of the bolt portion. The latch bolt 60 is to prevent the door 2 from being arbitrarily opened by wind or weak vibration, and is inserted into the latch bolt receiving hole 3b formed in the door post 3. The latch bolt 60 is elastically biased in the direction in which the latch bolt 60 protrudes from the housing 10 by the compression coil spring 72. One end of the compression coil spring 72 is in contact with the fitting protrusion 62 of the latch bolt, and the other end of the compression coil spring 72 is in contact with the protrusion plate 113 protruding from the case.

The moving member 70 is installed in the housing 10 to be linearly movable. The moving member 70 is formed with a fitting groove 71 into which the fitting protrusion 62 of the latch bolt is inserted. In this way, the fitting protrusion 62 is fitted into the fitting groove 71 so that the latch bolt can rotate relative to the movable member.

The adjusting member 80 is coupled to the housing 10. The moving member 70 is pressed by the adjustment member 80 in the direction in which the dead bolt 20 is immersed with respect to the housing, that is, the right side, and thus the protruding length of the latch bolt 60 is adjusted. In this embodiment, the adjusting member 80 is made of a bolt is bolted to the housing 10, the bolt is arranged to block the moving member is fixed to the position of the moving member 70, ultimately latch bolt ( 60) the protruding length is adjusted.

On the other hand, when the mortise 300 is installed in the door 2, since the handle pin is not inserted into the mortise, the connecting member 90 to be described later can be freely rotated, so that the latch bolt 60 has the compression coil spring 72. It is arranged to fully protrude from the housing by the elastic force of the. In such a state that the latch bolt 60 is completely protruded, the bolt bolt 61 of the latch bolt does not contact the side wall of the latch bolt through hole 122 even if the latch bolt is rotated, so the latch bolt 60 is properly rotated. In this way, the direction of the latch bolt can be appropriately set in accordance with the opening direction of the door, for example, the left hand gate or the rain door. After setting the direction of the latch bolt, as shown in FIG. 8, when the adjusting member 80 is coupled to the housing, a part of the bolt portion 61 of the latch bolt is inserted into the latch bolt through hole 122. Since only a minute gap is formed between the sidewall of the latch bolt through hole 122, the latch bolt 60 cannot be rotated.

The connecting member 90 is rotatably coupled to the housing 10. The first wing portion 91 and the second wing portion 92 are formed in the connecting member 90. The first wing part 91 is disposed to contact the moving member 70. In the state shown in FIG. 8, when the connecting member 90 rotates in the counterclockwise direction, since the first blade 91 presses the moving member 70 to move the moving member 70 to the right, As a result, the latch bolt 60 is moved in the direction immersed with respect to the housing (10).

The third rotating member 95 is rotatably coupled to the housing 10. The third rotating member 95 is rotatable relative to the first rotating member 40 and the second rotating member 50, respectively. The third rotating member 95 is disposed coaxially with the first rotating member 40. The first protrusion 951 and the second protrusion 952 are formed in the third rotating member 95. The first protrusion 951 is arranged to contact the second blade portion 92 of the connecting member. The first protrusion 951 rotates the connecting member 90 counterclockwise by pressing the second blade 92 during the clockwise rotation of the third rotating member 95 in the state shown in FIG. 8. . In addition, the first protrusion 951 is disposed between the second blade portion 92 and the handle pin 230 so that the third rotating member 95 is pressed when the handle pin 230 is rotated in the clockwise direction. Is rotated. The second protrusion 952 is disposed to face the rotation pins. The second protrusion 952 is pressurized when the rotary pin 130 is rotated in the clockwise direction, such that the third rotating member 95 is rotated in the clockwise direction.

The rotating body 96 is rotatably installed with respect to the housing 10, as shown in FIG. That is, both ends of the rotating body 96 are fitted to the case 11 and the cover 13. The rotating body 96 is fitted with the first rotating member 40, the second rotating member 50 and the third rotating member 96, respectively. The rotary body 96 is provided with a key hole 961 into which the shaft of the key bundle 240 is inserted. The key hole 961 is formed complementarily with the shaft of the key bundle 240. When the key is inserted into the key hole 241 of the key bundle, the shaft rotates the rotating body 96.

In addition, the protrusion 962 is formed in the rotating body 96. The protrusion 962 is disposed to face the inner surface of the through hole 55 formed in the second rotating member 50. Since the protrusion 962 presses the second rotating member from the moment when the protrusion 962 contacts the inner surface of the through hole 55 during the rotation of the rotating body 96, the second rotating member 50. ) Can be rotated.

In the door lock device 1 configured as described above, as shown in FIG. 3, when the door 2 is locked, a predetermined number is input to the number input unit 211 to drive the motor 14. The first rotating member 40 is rotated. In addition, since the first pressing part 43 of the first rotating member presses the insertion part 33 of the intermediate member in the process of rotating the first rotating member, the dead bolt 20 moves in a direction immersed with respect to the housing. The door is unlocked. At this time, the second rotating member 50 is connected to the intermediate member 30 by the torsion spring 53 so as to rotate so as to be disposed at a position as shown in FIG. 4A. Then, when the user turns the handle to open the door, since the third rotating member 95 and the connecting member 90 rotates clockwise and counterclockwise, respectively, the latch bolt 60 moves linearly with respect to the housing. It is located in the immersed position. As such, when the handle 220 is released after the door 2 is opened from the outside, the handle returns to its original position by the elastic restoring force of the torsion spring (not shown), and detects the moment when the door is closed as described in the related art. When the motor 14 is operated to rotate the first rotating member 30 counterclockwise, the second pressing part 44 of the first rotating member presses the insertion part 33 of the intermediate member so that the door is closed. It is closed again by being locked.

In addition, when the handle 120 is rotated from the indoor side while the first rotating member is located in the general locking position, the rotating pin 130 fixed to the handle presses the second rotating member 50 so that the second rotating member is rotated. Will rotate. At this time, the first rotating member 40 is in a stationary state. In addition, the pressing unit 51 of the second rotating member presses the insertion unit 33 of the intermediate member in the process of rotating the second rotating member so that the dead bolt 20 moves in the immersed direction with respect to the housing 10. Therefore, the locking of the door is released as shown in FIG. 4B. In addition, during the rotation of the handle, since the third rotating part 95 material and the connecting member 90 is rotated, the latch bolt 60 is also linearly immersed in the housing. Thus, the user can open the door.

As such, when the handle 120 is released after the door 2 is opened from the indoor side, the handle returns to its original position by the elastic restoring force of the torsion spring (not shown). Then, when the door is closed, the first rotating member is rotated in the clockwise direction so that the insertion portion of the intermediate member is positioned in the groove of the first rotating member. Then, when the first rotating member is rotated counterclockwise again, the door is locked again. It can be closed in the closed state.

In addition, when the key is inserted into the key hole 241 and then turned from the outside, the rotating body 96 and the second rotating member 40 can be rotated, so that the door can be unlocked as described above. .

As described above, in the present embodiment, it is possible to release the locking of the door 2 only by rotating the handle 120 in the room, so in case of emergency, for example, in case of fire or earthquake, Even if the person on the side is mentally panic, the handle 120 can be easily rotated to escape. Therefore, it is possible to minimize human injury.

In addition, simply locking the door and setting the first rotating member 40 to be in the fully locked position, even if the handle 120 is rotated by inserting an extension through the delivery hole formed in the door, the locking state of the door is maintained. Since it cannot be released, it is possible to effectively prevent outside invasion unlike in the prior art. In addition, it is possible to effectively prevent the intruder entering the room through the glass window to escape by opening the door. Similarly, even if the intruder puts the copied key into the key hole 241 and turns it from the outside, the door 2 cannot be unlocked. In addition, when the user is normally authenticated on the outdoor side, the first rotating member 40 can be rotated, so that the door can be released without changing the position of the first rotating member to the general locking position. do.

On the other hand, in the present embodiment, the adjusting member 80 is configured to press the moving member, the adjusting member 80a may be installed to limit the rotation of the connecting member.

That is, as shown in Figure 9, the adjusting member (80a) is coupled through the housing. The adjusting member 80a is installed in contact with the connecting member 90 such that rotation of the connecting member 90 in one direction, that is, clockwise, is limited. Therefore, as described above, after the latch bolt is properly rotated according to the opening / closing direction of the door, for example, the left hand door or the rain door, the latch bolt can be installed in a non-rotable state by simply coupling the adjustment member to the housing.

As mentioned above, the present invention has been described in detail with reference to preferred embodiments, but the present invention is not limited to the above embodiments, and various modifications may be made by those skilled in the art within the technical idea of the present invention. It is obvious.

For example, in the present embodiment, the coupling protrusion and the coupling groove are formed in the intermediate member and the first rotating member, respectively. On the contrary, the coupling groove and the coupling protrusion are respectively formed in the intermediate member and the first rotating member. It may be.

In addition, unlike the present embodiment, the second pressing unit may be configured to be formed on the inner side of the engaging groove.

According to the present invention of the above configuration, it is possible to easily unlock the door simply by turning the handle, it is possible to easily escape in an emergency to minimize the occurrence of human injury. In addition, if only the first rotation member is positioned in the fully locked position, it is impossible to release the door without obtaining normal authentication on the indoor side or the outdoor side, thereby effectively preventing outside intrusion.

Claims (8)

A housing installed in the door; A dead bolt installed in the housing so as to linearly move in a direction protruding and immersing with respect to the housing, for locking and unlocking the door; An intermediate member coupled to the dead bolt to linearly move with the dead bolt when the dead bolt moves linearly; A first pressing part rotatably coupled to the housing, for urging the intermediate member to linearly move in a direction in which the dead bolt is immersed with respect to the housing when the rotation is performed in one direction; and a rotation in a direction opposite to the one direction A first rotating member having a second pressing portion for urging the intermediate member to linearly move in a direction in which the dead bolt protrudes with respect to the housing; And A pressing part rotatably coupled to the housing, the pressing part configured to rotate relative to the first rotating member, and press the media member to linearly move in a direction in which the dead bolt is immersed with respect to the housing during the rotation. Door lock device comprising a; two rotating member. The method of claim 1, A motor installed inside the housing; A gear coupled to the output shaft of the motor; The second rotating member is coupled to the housing so as to be rotatable around the central axis of rotation of the second rotating member, and presses the second rotating member to move in the direction in which the dead bolt is immersed with respect to the housing. Rotating pin to rotate; And It is further provided with a handle rotatably coupled to the interior side of the door, the rotary pin is fixed, The first rotation member, the door lock device, characterized in that the gear portion which is geared to the gear so that the first rotation member is rotatable when the motor is driven. The method of claim 1, Through holes are formed in the housing, The intermediary member has an insertion portion and is movable between a fitting position at which the insertion portion is fitted into the through hole when the door is locked, and a release position from which the insertion portion is separated from the through hole so that the door can be unlocked. Door lock device, characterized in that coupled to the dead bolt to. The method of claim 1, Any one of the intermediate member and the first rotating member is formed with a coupling protrusion, the other of the intermediate member and the first rotating member is formed with a coupling groove, At least one of the intermediate member and the first rotating member may be configured such that the engaging protrusion is inserted into the coupling groove so that the locking state of the door is maintained when the intermediate member is pressed by the pressing unit while the door is locked. It is possible to selectively position between the locking position and the general locking position in which the engaging projection is separated from the engaging groove so that the locking state of the door can be released when the intermediate member is pressed by the pressing unit while the door is locked. Door lock device, characterized in that. The method according to any one of claims 1 to 4, The intermediate member is rotatably coupled to the dead bolt, The intermediate member is elastically biased in a direction approaching the first rotating member, The dead bolt is elastically biased in a direction that protrudes and immersed with respect to the housing when the door is locked and unlocked, respectively. And the first rotating member and the second rotating member are coaxially connected to each other. The method of claim 1, A latch bolt installed in the housing to linearly move in a direction protruding and immersing with respect to the housing, the latch bolt being elastically biased in a direction protruding with respect to the housing; Rotatably coupled to the housing, each of which is rotatable relative to the first rotating member and the second rotating member, and connected to the latching bolt so that the latch bolt moves linearly in a direction immersed with respect to the housing during the rotation; A third rotating member; Rotation pins and handle pins respectively coupled to the housing so as to be rotatable around a rotation center axis of the third rotation member, and press the third rotation member to rotate the third rotation member when the rotation is performed; A handle rotatably coupled to the interior side of the door and having the rotation pin fixed thereto; And And a handle rotatably coupled to the outdoor side of the door and to which the handle pin is fixed. The method of claim 6, Rotatably coupled to the housing, the latch bolt is connected to the latch bolt to move in a direction in which the latch bolt is immersed relative to the housing, and to the third rotating member when the third rotating member is rotated. A connecting member connected to the third rotating member so as to be pressed by and rotated in the one direction; And a control member coupled to the housing and blocking the connection member so that rotation of the connection member in one direction is limited. The method of claim 1, A latch bolt installed in the housing to linearly move in a direction protruding and immersing with respect to the housing, the latch bolt being elastically biased in a direction protruding with respect to the housing; A moving member having a fitting groove in which the latch bolt is rotatably fitted and installed to be linearly movable in the housing; And And a control member coupled to the housing and configured to press the movable member in the immersion direction of the latch bolt so that the protruding length of the latch bolt is adjusted.

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