KR102449598B1 - Auto-latch type door lock that can be unlocked manually - Google Patents

Abstract

The present invention relates to an auto-latch type door lock device capable of manually unlocking. More specifically, according to the auto-latch type door lock device capable of manually unlocking, by moving an operating protrusion unit and inserting and operating an operating key, the door lock can be easily unlocked without a separate power source.

Description

Manually Unlockable Auto Latch Door Lock {Manually Unlockable Auto Latch Door Lock}

The present invention relates to an auto-latch-type door locking device capable of manually unlocking, and more particularly, to a manual door lock that can be easily unlocked without a separate power source by moving a manipulation protrusion and inserting a manipulation key to operate it. It relates to an auto-latch type door lock that can be unlocked.

In general, the door lock motive may include a latch bolt protruding and retracted to the side of the door by a rotation means such as a lever. In addition, a door lock Mortise having a locking structure by a latch bolt and a dead bolt by installing a dead bolt that is locked and released by a knob or a grip has been developed and used.

On the outside of the door, a key input button, a safety key with a built-in semiconductor chip for fingerprint recognition and visitor authentication is used. Inside the door, an auto latch door lock mortise that can release the dead bolt with the power of the motor by pressing the button. has also been developed and used. This auto-latch door lock motive can automatically move the dead bolt to the locked position through the power of the motor after the door is closed, even if the user forgets to lock the door. In addition, the door can be opened without using a push-pull or handle by releasing the dead bolt and latch bolt of Mortis after occupant authentication.

The following Patent Document 1 discloses a door lock mortise capable of automatically releasing a dead bolt and a latch bolt. This conventional auto latch door lock mortise can release the latch bolt and the dead bolt, but there is a problem in that there is no way to operate the door lock in an unavoidable situation in which battery discharge and entrant authentication are impossible. In addition, when unlocking the lock by using the emergency key of the door lock, only the dead bolt of the Mortis is released, so there is a problem that the lock of the latch bolt cannot be unlocked and the door cannot be opened.

Laid-open Patent 10-2020-0099959 (Latch bolt automatic release type door lock mortise)

An object of the present invention is to provide an auto-latch-type door locking device capable of manually unlocking a door lock, which can be easily unlocked without a separate power source by moving a manipulation protrusion and inserting a manipulation key to operate.

In order to solve the above problems, the present invention provides an auto-latch-type door lock that can be manually unlocked, comprising: a fixed handle part that can be held and pulled by hand while being installed on the outer surface of the door; a mortise unit including a dead bolt, a latch bolt, a dead bolt operation unit capable of locking or unlocking the dead bolt by an external operation, and a latch bolt operation unit capable of locking or unlocking the latch bolt by an external operation; a locking device cover having a first key hole in the form of a through hole on its upper surface; a manipulation protrusion exposed to the outside of the first key hole; and a rib body coupled to the manipulation protrusion, and a key cover rib part capable of vertical movement as the user moves the manipulation protrusion; a latch bolt operation part rotating part for rotating the latch bolt operation part according to the vertical movement of the key cover rib part; and a dead bolt operation unit rotating unit for rotating one or more elements of the dead bolt operation unit by manipulation of an external key inserted through the first key hole, wherein the user moves the operation projection and the first key Provided is an auto latch type door lock in which the dead bolt and the latch bolt can be released by inserting the key into the hole and operating the key.

In one embodiment of the present invention, the key cover rib part can open and close a region into which an external key can be inserted among the regions of the first key hole by moving up and down as the user moves the manipulation protrusion, As the user moves the manipulation protrusion, the latch bolt manipulation unit rotating unit and the latch bolt manipulation unit are operated to release the latch bolt.

In one embodiment of the present invention, the latch bolt operation part rotating part, a latch bolt shaft fastened to the latch bolt operation part; and a latch bolt rotor fastened with a part of the latch bolt shaft and including a latch bolt rotor projection on one surface capable of being in contact with an external element, wherein the rib body has a key cover rib having a structure protruding from the lower side and a protrusion; as the key cover rib part is moved up and down, the key cover rib protrusion and the latch bolt rotor protrusion are engaged to rotate the latch bolt rotor, and by the rotation of the latch bolt rotor, the latch bolt The shaft rotates, the latch bolt operation unit operates according to the rotation of the latch bolt shaft, and the latch bolt can be released.

In one embodiment of the present invention, the key cover rib protrusion has a clearance with the latch bolt rotor protrusion, and while the rib body moves from the initial point to the first point, the key cover rib protrusion and the latch bolt rotor protrusion are in contact Without, while the rib body moves from the initial point to the second point thereafter, the key cover rib protrusion and the latch bolt rotor protrusion come into contact with each other, so that the vertical movement of the rib body is converted into a rotational motion of the latch bolt rotor. can

In one embodiment of the present invention, the dead bolt operation unit rotating unit, the receiving groove for accommodating an external key is formed, the external key is inserted into the key driven rotating unit that can be rotated by a user's operation; a first gear engaged with the key-driven rotating unit to rotate according to the rotation of the key-driven rotating unit; a second gear engaged with the first gear and rotating according to the rotation of the first gear; and a dead bolt shaft that is engaged with the second gear and rotates according to the rotation of the second gear, and the dead bolt operation unit is driven by the rotation of the dead bolt shaft to release the dead bolt.

In one embodiment of the present invention, the second gear includes a second gear inner protrusion having a plurality of protrusions inside the hole for inserting the dead bolt shaft, and the second gear inner protrusion and the dead bolt shaft. The dead bolt shaft and the second gear can operate in conjunction with each other by contact, and the second gear inner protrusion allows the second gear to rotate when the dead bolt shaft is rotated by a predetermined amount or more, The second gear inner projection may be spaced apart.

According to an embodiment of the present invention, the latch bolt is unlocked by moving the operation protrusion in a situation where battery discharge and occupant authentication are impossible, and the dead bolt is unlocked by inserting a key into the first key hole and manipulating it. It can have the effect of unlocking Mortis.

According to an embodiment of the present invention, as the user moves the manipulation protrusion and the latch bolt rotor protrusion and the key cover rib protrusion are engaged with each other, the latch bolt manipulation unit rotating unit and the latch bolt manipulation unit operate, releasing the latch bolt without a separate power source can be effective.

According to an embodiment of the present invention, by having a plurality of protrusions in the inner hole of the second gear and fastening the dead bolt shaft to the inner hole of the gear, the dead bolt shaft has a free space in which the dead bolt shaft can rotate without rotation of the second gear. can be effective.

1 schematically shows a perspective view of an auto-latch-type door lock according to an embodiment of the present invention.
Figure 2 schematically shows a perspective view of a mortise portion according to an embodiment of the present invention.
3 schematically shows an exploded perspective view of a mortis part according to an embodiment of the present invention.
4 schematically shows a dead bolt operation unit rotating unit, a latch bolt operating unit rotating unit, and a key cover rib unit according to an embodiment of the present invention.
Figure 5 schematically shows the coupling state of the mortis unit and the locking device cover according to an embodiment of the present invention.
6 schematically shows the internal structure of the outer part of the mortise part according to an embodiment of the present invention.
7 schematically shows an operating state of a second gear according to an embodiment of the present invention.
8 schematically shows an auto-latch-type door locking device according to an embodiment of the present invention.

In the following, various embodiments and/or aspects are now disclosed with reference to the drawings. In the following description, for purposes of explanation, numerous specific details are set forth to provide a thorough understanding of one or more aspects. However, it will also be recognized by one of ordinary skill in the art that such aspect(s) may be practiced without these specific details. The following description and accompanying drawings set forth in detail certain illustrative aspects of one or more aspects. These aspects are illustrative, however, and some of the various methods in principles of various aspects may be employed, and the descriptions set forth are intended to include all such aspects and their equivalents.

Further, various aspects and features will be presented by a system that may include a number of devices, components and/or modules, and the like. It is also noted that various systems may include additional apparatuses, components, and/or modules, etc. and/or may not include all of the apparatuses, components, modules, etc. discussed with respect to the drawings. must be understood and recognized.

As used herein, “embodiment”, “example”, “aspect”, “exemplary”, etc. may not be construed as an advantage or an advantage in any aspect or design described above over other aspects or designs. . The terms '~part', 'component', 'module', 'system', 'interface', etc. used below generally mean a computer-related entity, for example, hardware, hardware A combination of and software may mean software.

As used herein, '~ part' or '~ module' may be implemented through one or more physical members, one or more hardware, one or more combinations of hardware and software, or one or more software. In addition, when there are a plurality of '~parts' or '~modules', each '~unit' or '~module' is each one or more physical members, one or more hardware, one or more hardware and software combinations, or It may be implemented by one or more software, but is not limited thereto, and in implementing a plurality of '~ parts' or '~ modules', one or more hardware, one or more hardware and software combinations, or one or more redundantly applied There may be software. For example, if there are first hardware, second hardware, and first software, and there are part A, part B, part C, and part D, part A is implemented by a combination of the first hardware and first software, and part B is It may be implemented by a combination of the first hardware and the second software, the C part may be implemented by the second hardware, and the D part may be implemented by the first software.

Also, the terms “may include” and/or “comprising” mean that the feature and/or element is present, but the presence or addition of one or more other features, elements, and/or groups thereof. should be understood as not to exclude.

Also, terms including an ordinal number such as first, second, etc. may be used to describe various elements, but the elements are not limited by the terms. The above terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, a first component may be referred to as a second component, and similarly, a second component may also be referred to as a first component. The term and/or may include a combination of a plurality of related listed items or any of a plurality of related listed items.

In addition, the terms used herein are used only to describe specific embodiments, and are not intended to limit the present invention. The singular expression may include the plural expression unless the context clearly dictates otherwise. In the present specification, terms such as “comprise” or “have” are intended to designate that a feature, number, step, operation, component, part, or combination thereof described in the specification exists, but one or more other features It is to be understood that this does not preclude the possibility of the presence or addition of numbers, steps, operations, components, parts, or combinations thereof.

In addition, in the embodiments of the present invention, unless otherwise defined, all terms used herein, including technical or scientific terms, are generally understood by those of ordinary skill in the art to which the present invention belongs. have the same meaning as Terms such as those defined in a commonly used dictionary should be interpreted as having a meaning consistent with the meaning in the context of the related art, and unless explicitly defined in an embodiment of the present invention, an ideal or excessively formal meaning is not interpreted as

1 schematically shows a perspective view of an auto-latch-type door lock according to an embodiment of the present invention, and FIG. 2 schematically shows a perspective view of a mortis unit 2000 according to an embodiment of the present invention.

According to an embodiment of the present invention, an auto-latch-type door lock capable of manually unlocking a door lock includes: a fixed handle unit 1000 that is installed on an outer surface of a door and has a form that can be grasped and pulled by hand; Dead bolt 2100, latch bolt 2200, dead bolt operation part 2010 capable of locking or unlocking the dead bolt 2100 by an external operation, locking the latch bolt 2200 by an external operation Or a mortise unit 2000 including a latch bolt operation unit 2020 that can be released; and a locking device cover 1200 in which the first key hole 1310 in the form of a through hole is formed on the upper surface.

The fixed handle unit 1000 may include a handle unit 1100 , a locking device cover 1200 , and a manipulation protrusion 1300 in an embodiment of the present invention.

As shown in (a) of Figure 1, the fixed handle portion 1000 is coupled to a portion of the upper surface of the locking device cover 1200, each of both ends of the handle portion 1100, the operation in the center It is a form in which the protrusion 1300 is formed.

The handle unit 1100, as shown in (a) of Figure 1, may correspond to the handle of the front handle fixed type door lock, may be fixed without mechanical movement. In this case, the handle unit 1100 may be implemented with an authentication module such as a password input means and a fingerprint recognition sensor for realizing an occupant authentication according to an embodiment of the present invention.

Basically, the auto latch type door lock of the present invention can be unlocked by releasing the dead bolt and/or the latch bolt by operating the motor inside the door lock when the user authenticates through the authentication module. .

The locking device cover 1200, in an embodiment of the present invention, a first key hole 1310 in the form of a through hole may be formed on the upper surface.

As shown in (a) of FIG. 1, the first key hole 1310 in the form of a through hole is formed on the upper surface of the locking device cover 1200, and in a normal state, the first key hole 1310 is formed. The manipulation protrusion 1300 may be disposed on the lower side of the . In this state, the user may provide authentication information to the door lock device based on normal authentication for the door lock, for example, input of a password or input of biometric information or a user terminal such as a smart phone.

Since the conventional auto latch mortise generally drives the dead bolt 2100 and the latch bolt 2200 using a motor, when the battery of the auto latch mortise is discharged, the dead bolt 2100 and the latch from the outside There is a hassle to manually release the bolt (2200).

In addition, although a key is mainly used as a method for manually releasing the dead bolt 2100 and the latch bolt 2200 from the outside, only the dead bolt 2100 can be released by the key, and the latch Since the bolt 2100 is not released, there is a problem in that the lock of the door on which the auto-latch motive is installed cannot be released or must be released through a separate means.

In order to solve such a problem, the auto latch type door lock of the present invention is provided with the manipulation protrusion 1300 .

In this case, the latch bolt 2200 is automatically released by moving the manipulation protrusion 1300 upward, and the dead bolt 2100 is released by inserting and manipulating the key into the first key hole 1310. can A detailed configuration and operation mechanism for this will be described later.

More specifically, the manipulation protrusion 1300 may move up and down by a user's manipulation inside the first key hole 1310 in an embodiment of the present invention.

1 (a) schematically shows a state in which the manipulation protrusion 1300 is positioned below the first key hole 1310. As shown in FIG.

In this case, the lower side of the first key hole 1310 may be closed by the manipulation protrusion 1300 , and the upper side of the first key hole 1310 may be opened.

FIG. 1B schematically shows a state in which the manipulation protrusion 1300 is moved upward by the user and is positioned above the first key hole 1310 .

In this case, the upper side of the first key hole 1310 may be closed by the manipulation protrusion 1300 , and the lower side of the first key hole 1310 may be opened. When the manipulation protrusion 1300 moves so that the lower side of the first key hole 1310 is opened, the latch bolt 2200 provided in the mortise part 2000 is released by the operation of the internal configuration to be described later. can

That is, by moving the manipulation protrusion 1300 upward, the latch bolt 2200 can be released, which is, as shown in FIG. 2, the latch bolt manipulation unit 2020 provided in the mortise unit 2000. can be performed by

The latch bolt manipulator 2020, in an embodiment of the present invention, is formed in the form of a through groove, and may include all members for moving the latch bolt 2200 inside the mortise unit 2000 .

The latch bolt operation unit 2020, as shown in FIG. 2, has a groove into which a rotatable shaft can be inserted, and as it rotates, a rotational motion can be converted into a translational motion of the latch bolt 2200. has a structure in which the door is unlocked by pulling in the direction of the body of the mortise unit 2000 when rotated in the direction of one end, and protrudes from the body of the mortise unit 2000 when rotated in the direction of the other end A lock function can be performed.

As shown in (c) of FIG. 1 , the operation key 1320 may be inserted into the first key hole 1310 in a state where the operation protrusion 1300 is located on the upper side.

At this time, in a state in which the operation protrusion 1300 is moved upward, the operation key 1320 is inserted into the first key hole 1310, and by operating the operation key 1320, the dead bolt ( 2100) may be released, and may be performed by the dead bolt operation unit 2010 provided in the mortis unit 2000, which will be described later.

Figure 2 schematically shows a perspective view of a mortise portion according to an embodiment of the present invention.

The dead bolt operation unit 2010, in one embodiment of the present invention, has the form of a through-groove formed in the mortise body, and corresponds to an element for moving the dead bolt 2100 inside the mortice unit 2000 .

The dead bolt operation unit 2010, as shown in FIG. 2, has a groove into which a rotatable shaft can be inserted, and as the shaft coupled to the groove rotates, the dead bolt operation unit 2010 can rotate. have. The inside of the mortise unit 2000 has internal components capable of converting the rotational motion of the dead bolt operation unit 2010 into a translational motion of the dead bolt 2100 .

When the dead bolt operation unit 2010 rotates in one direction, the dead bolt 2100 is pulled toward the body of the mortise unit 2000 to unlock the door, and when rotated in the other direction, the dead bolt 2100 ) may protrude from the body of the mortise unit 2000 to perform a door lock function.

In addition, as shown in FIG. 2 , the mortise part 2000 may include one or more mortise part through-holes 2030 disposed between the dead bolt operation part 2010 and the latch bolt operation part 2020. have.

The mortise part through hole 2030 may, in an embodiment of the present invention, pass through a member connecting the fixed handle part 1000 and the door on which the auto latch type door lock is disposed.

As shown in FIG. 2 , the mortise part may include the dead bolt 2100 , the latch bolt 2200 , and a sub-latch bolt 2300 .

The dead bolt 2100, in an embodiment of the present invention, may be disposed on an upper side of one end surface of the mortise unit 2000 .

The dead bolt 2100 protrudes in the shape of a rectangular parallelepiped column on the upper side of one end surface of the mortise part 2000, and has a shape that does not have bevel surfaces at both ends, so that in the unlocked state, it is inside the body of the mortice part. It is in the retracted state, and in the locked state, it may be in a state protruding from the main body of the mortise part.

With this structure, the dead bolt 2100 may perform a locking function of the auto latch type door lock.

The latch bolt 2200, in an embodiment of the present invention, may be disposed below one end surface of the mortise part 2000 .

As shown in FIG. 2 , the latch bolt 2200 protrudes in a triangular prism shape on the upper side of one end surface of the mortise part 2000 , and is connected to an internal spring, has an inclined surface at one end, and an inclined surface at the other end. By not having , the door can slide in and protrude by the slope when the door is closed.

With this structure, the latch bolt 2200 may perform a closing function of the auto latch type door lock.

As an additional configuration in the present invention, the sub-latch bolt 2200 may be disposed between the dead bolt 2100 and the latch bolt 2200 in an embodiment of the present invention.

In an embodiment of the present invention, the sub-latch bolt 2200 may sense whether the door on which the mortise part through-hole 2030 and the auto-latch-type door locking device are disposed is opened or closed.

More specifically, the sub-latch bolt 2200, in an embodiment of the present invention, protrudes in a triangular prism shape from one end surface of the mortise part 2000, is connected to an internal spring, and has bevel surfaces at both ends. By having it, it can have a shape that can be slid so that there is no jam in opening and closing the door, it is pressed by the wall when the door is closed, and can be protruded by a spring when the door is open.

With such a structure, a difference in displacement of the sub-latch bolt 2200 may occur according to the opening and closing of the door, and the sub-latch bolt 2200 may sense whether the door is opened or closed based on this.

3 schematically shows an exploded perspective view of the mortise unit 2000 according to an embodiment of the present invention.

An auto-latch-type door lock capable of manually unlocking according to an embodiment of the present invention includes: a fixed handle unit 1000 that is installed on the outer surface of a door and can be grasped and pulled by hand; Dead bolt 2100, latch bolt 2200, dead bolt operation part 2010 capable of locking or unlocking the dead bolt 2100 by an external operation, locking the latch bolt 2200 by an external operation Or a mortise unit 2000 including a latch bolt operation unit 2020 that can be released; a locking device cover 1200 having a first key hole 1310 in the form of a through hole on its upper surface; a manipulation protrusion 1300 exposed to the outside of the first key hole; and a rib body 2410 coupled to the manipulation protrusion 1300, and a key cover rib 2400 capable of vertical movement as the user moves the manipulation protrusion 1300; a latch bolt operation part rotating part for rotating the latch bolt operation part 2020 according to the vertical movement of the key cover rib part 2400; and a dead bolt operation unit rotating unit for rotating one or more elements of the dead bolt operation unit 2010 by manipulation of an external key inserted through the first key hole 1310; ) and inserting the key into the first key hole 1310 to operate the key, the dead bolt 2100 and the latch bolt 2200 may be released.

The key cover rib portion 2400, in one embodiment of the present invention, the first key hole (1310) is exposed to the outside of the manipulation protrusion (1300); and a rib body 2410 coupled to the manipulation protrusion 1300 , and can move up and down as the user moves the manipulation protrusion 1300 .

A plurality of key cover rib projections 2420 are formed on the lower side of the rib body 2410, and a second key hole 2430 is formed on the upper side. In addition, the manipulation protrusion 1300 may be disposed above the second key hole 2430 .

As described above, when the manipulation protrusion 1300 is located below the first key hole 1310 , the upper side of the first key hole 1310 may be opened, and the manipulation protrusion 1300 . When is located on the upper side of the first key hole 1310, the lower side of the first key hole 1310 may be open. As described above, in a state in which the lower side of the first key hole 1310 is opened, the second key hole 2430 may be disposed coaxially with the open lower side of the first key hole 1310 .

Accordingly, when the user moves the manipulation protrusion 1300 upward, the open portion of the first key hole 1310 and the second key hole 2430 may be coaxially disposed, and the manipulation A key can be inserted into the third key hole 2142 of the key driving rotating part 2141 to be described later through the first key hole 1310 and the second key hole 2430, and in this state, the According to the rotation of the operation key, the key driving rotation unit 2141 may rotate.

In addition, in the rib body 2410 according to an embodiment of the present invention, as the user moves the operation protrusion 1300, the latch bolt operation part rotating part b and the latch bolt operation part 2020 are operated to operate. The latch bolt 2200 may be released.

With this structure, the operation key 1320 includes a first key hole 1310 formed in the locking device cover 1200, a second key hole 2430 formed in the key cover rib part 2400, and a key. It can be inserted by continuously passing through the third key hole 2142 formed in the driving rotating part support 2140 .

The latch bolt operation unit rotating unit (b) may rotate the latch bolt operating unit 2020 according to the vertical movement of the key cover rib unit 2400 in an embodiment of the present invention.

The latch bolt operation part rotating part (b) according to an embodiment of the present invention includes: a latch bolt shaft 2210 fastened to the latch bolt operation part 2020; and a latch bolt rotor 2220 that is fastened to a part of the latch bolt shaft 2210 and includes a latch bolt rotor protrusion 2221 that can be in contact with an external element on one surface.

In addition, as shown in FIG. 3 , the rib body 2410 may include a key cover rib protrusion 2420 having a structure protruding from the lower side.

In this configuration, as the user moves the manipulation protrusion 1300 up and down, the rib body 2410 moves up and down.

When the rib body 2410 is moved, the key cover rib protrusion 2420 formed on the rib body 2410 and the latch bolt rotor protrusion 2221 formed on the latch bolt rotor 2220 are engaged and the latch bolt rotor 2220 can be rotated, and by the rotation of the latch bolt rotor 2220, the latch bolt shaft 2210 rotates, and the latch bolt operation unit 2020 moves according to the rotation of the latch bolt shaft 2210. operation, and the latch bolt 2200 may be released.

That is, as the user moves the manipulation protrusion 1300, it moves up and down to open and close a region in which an external key can be inserted among the regions of the first key hole 1310, and the manipulation protrusion 1300. As the user moves, the latch bolt 2200 may be released by operating the latch bolt manipulator rotating part b and the latch bolt manipulator 2020.

Preferably, the key cover rib protrusion 2420 according to an embodiment of the present invention has a clearance with the latch bolt rotor protrusion 2221, and the rib body 2410 moves from the initial point to the first point. During the period, the key cover rib protrusion 2420 and the latch bolt rotor protrusion 2221 do not contact, and while the rib body 2410 moves from the first point to the second point thereafter, the key cover rib protrusion 2420 ) and the latch bolt rotor projection 2221 are in contact, so that the vertical movement of the rib body 2410 may be converted into a rotational movement of the latch bolt rotor 2220 .

Due to this play, the amount of rotation of the latch bolt rotor 2220 with respect to the vertical movement of the rib body 2410 may be determined.

As described above, in one embodiment of the present invention, the user moves the manipulation protrusion 1300 so that the latch bolt rotor protrusion 2221 and the key cover rib protrusion 2420 are engaged with each other while the latch bolt manipulation unit rotating part (b) and the latch bolt As the manipulation unit 2020 operates, the effect of releasing the latch bolt 2200 may be exhibited by the manipulation of the manipulation protrusion 1300 .

The dead bolt operation unit rotating part (a) is, in one embodiment of the present invention, the dead bolt operation part ( 2010) can rotate one or more elements.

As shown in FIG. 3 , the dead bolt operation unit rotating part (a) has a receiving groove that can accommodate an external key, and the external key is inserted into a key that can be rotated by a user's manipulation. driving rotation unit 2141; a first gear 2120 coupled to the key driven rotating unit 2141 and rotating according to the rotation of the key driving rotating unit 2141; a second gear 2130 coupled to the first gear 2120 and rotating according to the rotation of the first gear 2120; and a dead bolt shaft 2110 that is engaged with the second gear 2130 and rotates according to the rotation of the second gear 2130 .

The first gear 2120 includes a fastening groove 2122 in which a through hole is formed in the center, a half-moon-shaped groove is formed on an upper side of the through hole, and a first gear disposed on an outer circumferential surface of the fastening groove 2122. (2121).

The fastening groove 2122 may be coupled to the key driven rotating part supporting part 2140 , and the first gear tooth 2121 may be engaged with the second gear tooth 2131 formed in the second gear 2130 . .

The second gear 2130 includes a second gear tooth 2131 that can be meshed with the first gear 2120 , and a second second having a plurality of protrusions inside a hole through which the dead bolt shaft 2110 can be inserted. It may include a gear inner projection (2132).

In an embodiment of the present invention, the second gear inner protrusion 2132 may rotate by applying a rotational force so that the corners and protrusions of the dead bolt shaft 2110 engage with each other. In this case, the dead bolt 2100 of the auto latch type door lock may be released.

In addition, a plurality of protrusions are formed inside the second gear 2130 , and a relatively large clearance is formed between the plurality of protrusions. Due to this, the dead bolt shaft 2110 can freely rotate in a preset angle range.

In one embodiment of the present invention, it is preferable that the preset angle range is an angle range of 30 degrees to 90 degrees.

According to this structure, the dead bolt shaft 2110 and the second gear 2130 can operate in conjunction with each other by the contact between the second gear inner protrusion 2132 and the dead bolt shaft 2110, The second gear inner protrusion 2132 is spaced apart between the second gear inner protrusion 2132 so that the second gear 2130 can rotate when the dead bolt shaft 2110 is rotated by a predetermined amount or more. has been With such a spaced configuration, when the dead bolt shaft 2110 is rotated by an automatic control element such as an auto-latch-type motor, the second gear 2130 can be prevented from rotating.

The key-driven rotating unit support 2140 is rotatably supported by a key-driven rotating unit 2141 capable of manipulating the dead bolt operating unit rotating unit (a) by inserting the operation key 1320 . A third key hole 2142 into which the operation key 1320 can be inserted and coupled is formed in the key driving rotation unit 2141 . When the operation key is inserted into the third key hole 2142 and the user rotates the operation key in a state in which the key driving rotation unit 2141 and the operation key are coupled, the key driving rotation unit 2141 rotates. can do.

The dead bolt shaft 2110 may have a polygonal shape, and may be fixed to the dead bolt manipulator 2010 and rotated.

In the dead bolt operation unit rotating unit (a), the operating key 1320 is inserted into the third key hole 2142 of the key driving rotating unit supporting unit 2140 and rotated, and the key driving rotating unit 2141 is rotated, and the first The first gear 2120 may be rotated, the second gear 2130 may be rotated, the dead bolt shaft 2110 may be rotated, and the dead bolt manipulation unit 2010 may be rotated.

By driving the dead bolt operation unit 2010 by rotation of the dead bolt shaft 2110, the lock of the dead bolt 2100 may be released.

Preferably, the dead bolt operation unit 2010 is driven by the rotation of the dead bolt shaft 2110, so that the dead bolt 2100 can be released.

With this structure, the user moves the manipulation protrusion 1300 and inserts the key into the first key hole 1310 to operate the key, so that the dead bolt 2100 and the latch bolt 2200 are can be released

4 schematically shows a dead bolt operation unit rotating unit (a), a latch bolt operating unit rotating unit (b), and a key cover rib unit 2400 according to an embodiment of the present invention.

Figure 4 (a) schematically shows the disassembled state of the dead bolt operation unit rotating unit (a), the latch bolt operating unit rotating unit (b), and the key cover rib unit (2400).

As shown in Figure 4 (a), the dead bolt operation unit rotating portion (a) is a first gear 2120, a second gear 2130 that can be meshed with the first gear 2120, an operation key 1320 ) may include a key-driven rotating part support 2140 that can be inserted, and a dead bolt shaft 2110 that can be coupled to the second gear 2130 .

As described above, the key driven rotating unit support 2140 is a key driven rotating unit 2141 capable of operating the dead bolt operating unit rotating unit (a) by inserting the operation key 1320 and the operation key 1320 passes through. It may include a third key hole (2142).

In addition, as shown in (a) of Figure 4, the key driven rotating part 2141 may include a fastening protrusion 2143 having a half-moon-shaped shaft. At this time, the fastening protrusion 2143 may be fitted with the fastening groove 2122 formed in the center of the first gear 2120 disposed on the same axis.

The first gear teeth 2121 formed on the outer peripheral surface of the first gear 2120 may mesh with the second gear teeth 2131 formed on the outer peripheral surface of the second gear 2130 .

However, the fastening groove 2122 and the fastening protrusion 2143 are not limited to a half-moon shape, and may be in the form of a groove and a protrusion having a shape that can be rotated without sliding.

In addition, as shown in (a) of FIG. 4 , the second gear 2130 may include a second gear inner protrusion 2132 . At this time, the second gear inner protrusion 2132 may be fitted with the dead bolt shaft 2110 disposed on the same axis.

In one embodiment of the present invention, the latch bolt shaft 2210 may be disposed on the outdoor side, and the main shaft 2230 may be disposed on the indoor side. In addition, the latch bolt shaft 2210 is connected to the mortise unit 2000 to release only the latch bolt 2200 , and the main shaft 2230 includes the latch bolt 2200 and the dead bolt 2100 . ) can be released at the same time. The latch bolt shaft 2210 and the main shaft 2230 are rotatably coupled to each other. That is, only the latch bolt shaft 2210 may rotate while the main shaft 2230 is fixed inside the mortis body.

As shown in (b) of FIG. 4 , the dead bolt operation unit rotating part (a), the latch bolt operating unit rotating part (b), and the key cover rib part 2400 may be assembled.

In one embodiment of the present invention, the dead bolt operation unit rotating unit (a) may be assembled to have the same central axis as the key driven rotating unit supporting unit 2140 and the first gear 2120 . The second gear 2130 may be assembled to have the same central axis as the dead bolt shaft 2210 , and the first gear 2120 and the second gear 2130 may be assembled by meshing with each other.

In an embodiment of the present invention, the latch bolt shaft 2210 , the main shaft 2230 , and the latch bolt rotor 2220 may be assembled to have the same central axis.

5 schematically shows the coupling state of the mortis unit 2000 and the locking device cover 1200 according to an embodiment of the present invention.

As shown in FIG. 5 , the mortise part 2000 may be connected to the locking device cover 1200 . Preferably, the dead bolt 2100, the latch bolt 2200, and the sub-latch bolt 2200 are installed in a direction toward the wall, and the dead bolt 2100 and the latch bolt 2200 protrude. The lock function can be performed by hanging it on the wall.

More preferably, the mortise unit 2000 may be installed to be buried in the door, and the locking device cover 1200 may be installed to the outside of the door. Accordingly, the mortise unit 2000 may have a certain amount of clearance with the locking device cover 1200 due to the thickness of the door sheet metal.

6 schematically shows the internal structure of the outer part of the mortise part 2000 according to an embodiment of the present invention.

As described above, the manipulation protrusion 1300 can be moved up and down by the user. Figure 6 (a) shows when the key cover rib portion 2400 is located on the lower side.

At this time, the manipulation protrusion 1300 is located below the first key hole 1310, and the second key hole 2430 is in a closed state. In addition, the latch bolt rotor projection 2221 corresponds to a state that does not contact the key cover rib projection 2420 .

Figure 6 (b) shows when the key cover rib part 2400 is located on the lower side by the user's operation.

When the user pushes the manipulation protrusion 1300 upward, the rib body 2410 moves upward as a whole. Accordingly, the key cover rib protrusion 2420 pushes up the latch bolt rotor protrusion 2221 while the latch The bolt shaft 2210 may be rotated.

In one embodiment of the present invention, the latch bolt 2200 may be rotated by 10 degrees to 40 degrees by the rotating latch bolt shaft 2210 . At this time, the key cover rib protrusion 2420 and the latch bolt rotor protrusion 2221 may have a certain amount of play to rotate as described above.

By such an operation, the latch bolt 2200 may be released as shown in FIG. 6(b) .

More specifically, the key cover rib part 2400 may be disposed adjacent to the lower side of the second gear 2130 . At this time, the manipulation protrusion 1300 is moved upward by the user, and corresponds to the state in which the first key hole 1310 is opened. In this case, the latch bolt 2200 provided in the mortise part 2000 may be released.

In this way, as the user moves the manipulation protrusion 1300, the latch bolt rotor protrusion 2221 and the key cover rib protrusion 2420 are engaged with each other, and the latch bolt manipulation unit rotating part (b) and the latch bolt manipulation unit 2020 are As it operates, the effect of releasing the latch bolt 2200 can be exhibited without a separate power source.

7 schematically shows an operating state of the second gear 2130 according to an embodiment of the present invention.

The second gear 2130 according to an embodiment of the present invention includes a second gear inner protrusion 2132 having a plurality of protrusions inside a hole through which the dead bolt shaft 2110 can be inserted. Due to the contact between the second gear inner protrusion 2132 and the dead bolt shaft 2110 , the dead bolt shaft 2110 and the second gear 2130 may operate in cooperation with each other.

The second gear inner protrusion 2132 is spaced apart between the second gear inner protrusion 2132 so that the second gear 2130 can rotate when the dead bolt shaft 2110 is rotated by a predetermined amount or more. may have been

As shown in (a) of FIG. 7 , the upper surface of the dead bolt shaft 2110 is in contact with the second gear inner protrusion 2132 formed on the left side, and the lower surface of the dead bolt shaft 2110 is formed on the right side. It may be in contact with the second gear inner protrusion 2132 .

In this case, the position of the dead bolt shaft 2110 may be fixed by the second gear inner protrusion 2132 formed in the center of the second gear 2130 .

In addition, as the plurality of second gear inner projections 2132 are spaced apart as described above, when the dead bolt shaft is rotated by an automatic operation means inside the mortise, the dead bolt shaft is moved up to a preset angle. The rotation is not connected to the rotation of the second gear 2130 . In an embodiment of the present invention, the preset angle may correspond to a range of 30 degrees to 90 degrees. Such a preset angle may be determined by a separation angle between the second gear inner protrusions 2132 and/or a cross-sectional dimension of the dead bolt shaft.

On the other hand, when the second gear 2130 rotates, it is possible to rotate the dead bolt shaft 2110 without loss.

In this case, as shown in (b) of FIG. 7 , the upper surface of the dead bolt shaft 2110 is in contact with the second gear inner protrusion 2132 formed on the right side, and the lower surface of the dead bolt shaft 2110 is It may come into contact with the second gear inner protrusion 2132 formed on the left side.

As described above, as the distance between the second gear inner protrusions 2132 is separated, the dead bolt shaft 2110 rotates less than a preset angle without rotating the second gear 2130, It can rotate independently. That is, the dead bolt shaft 2110 can be independently rotated by the motor even when the second gear 2130 does not rotate.

According to an embodiment of the present invention, the second gear 2130 has a plurality of protrusions in the inner hole, and by fastening the dead bolt shaft 2110 to the inner hole of the gear, the dead bolt shaft without rotation of the second gear 2130 (2110) can exhibit the effect of having a free space that can be rotated. With this configuration, it is possible to prevent interference between the operation of the dead bolt shaft 2110 by the second gear 2130 and the internal motor.

8 schematically shows an auto-latch-type door locking device according to an embodiment of the present invention.

8A and 8B are perspective views of the auto latch type door locking device, respectively, and FIG. 8C schematically shows an exploded perspective view.

The fixed handle unit 1000 includes a handle unit 1100 that is a front handle fixed type handle, a locking device cover 1200 connected to the door, and a manipulation protrusion 1300 that can open and close the first key hole 1310. and a first key hole 1310 into which the lock device cover 1200 operation key 1320 can be inserted.

Preferably, the connection part 3000 may be coupled to the locking device cover 1200 to pass through the mortise part through hole 2030 and the door, and may be coupled to an indoor or outdoor door lock.

As described above, the handle unit 1100 is a front handle fixed type handle, and the handle is fixed without mechanical movement. In addition, a password and fingerprint recognition sensor capable of implementing an occupant authentication function may be applied, and may have a structure that can be grabbed and pulled when the mortis unit 2000 is unlocked and the door can be opened.

As described above, the auto-latch-type door locking device capable of manually unlocking the door according to an embodiment of the present invention includes: a fixed handle unit 1000 that is installed on the outer surface of the door and has a form that can be grasped and pulled by hand; Dead bolt 2100, latch bolt 2200, dead bolt operation part 2010 capable of locking or unlocking the dead bolt 2100 by an external operation, locking the latch bolt 2200 by an external operation Or a mortise unit 2000 including a latch bolt operation unit 2020 that can be released; It may include; a rib body 2410 coupled to the manipulation protrusion 1300, and a key cover rib unit 2400 capable of vertical movement as the user moves the manipulation protrusion 1300.

In addition, the locking device cover 1200 may further include the first bracket 1210 and the second bracket 1220 . The first bracket 1210 and the second bracket 1220 include the dead bolt operation part rotating part (a) that can be operated by inserting the operation key 1320, the latch bolt operation part rotating part (b), and the A plate for fixing the key cover rib 2400, and a cover coupled to be included in the locking device cover 1200 may serve.

According to an embodiment of the present invention, the latch bolt is unlocked by moving the operation protrusion in a situation where battery discharge and occupant authentication are impossible, and the dead bolt is unlocked by inserting a key into the first key hole and manipulating it. It can have the effect of unlocking Mortis.

According to an embodiment of the present invention, as the user moves the manipulation protrusion and the latch bolt rotor protrusion and the key cover rib protrusion are engaged with each other, the latch bolt manipulation unit rotating unit and the latch bolt manipulation unit operate, releasing the latch bolt without a separate power source can be effective.

According to an embodiment of the present invention, by having a plurality of protrusions in the inner hole of the second gear and fastening the dead bolt shaft to the inner hole of the gear, the dead bolt shaft has a free space in which the dead bolt shaft can rotate without rotation of the second gear. can be effective.

As described above, although the embodiments have been described with reference to the limited embodiments and drawings, various modifications and variations are possible from the above description by those skilled in the art. For example, the described techniques are performed in an order different from the described method, and/or the described components of the system, structure, apparatus, circuit, etc. are combined or combined in a different form than the described method, or other components Or substituted or substituted by equivalents may achieve an appropriate result.

Therefore, other implementations, other embodiments, and equivalents to the claims are also within the scope of the following claims.

1000: fixed handle portion 1100: handle portion
1200: locking device cover 1210: first bracket
1220: second bracket 1300: manipulation protrusion
1310: first key hole 1320: operation key
2000: Mortis Department 2010: Deadbolt Control Department
2020: Latch bolt control unit 2030: Mortise sub through hole
2100: dead bolt 2110: dead bolt shaft
2120: first gear 2121: first gear tooth
2122: fastening groove 2130: second gear
2131: second gear tooth 2132: second gear inner projection
2140: key driven rotating part support 2141: key driven rotating part
2142: third key hole 2143: fastening protrusion
2200: latch bolt 2210: latch bolt shaft
2220: latch bolt rotor 2221: latch bolt rotor projection
2222: latch bolt coupling groove 2230: main shaft
2300: sub latch bolt part 2400: key cover rib part
2410: rib body 2420: key cover rib projection
2430: second key hole 3000: connection part
3100: connection cover

Claims (6)

An auto latch type door lock that can be unlocked manually,
a fixed handle part that is installed on the outer surface of the door and can be held and pulled by hand;
a mortise unit including a dead bolt, a latch bolt, a dead bolt operation unit capable of locking or unlocking the dead bolt by an external operation, and a latch bolt operation unit capable of locking or unlocking the latch bolt by an external operation;
a locking device cover having a first key hole in the form of a through hole on its upper surface;
a manipulation protrusion exposed to the outside of the locking device cover through the first key hole; and a rib body coupled to the manipulation protrusion, and a key cover rib part capable of vertical movement as the user moves the manipulation protrusion;
a latch bolt operation part rotating part for rotating the latch bolt operation part according to the vertical movement of the key cover rib part; and
and a dead bolt operation unit rotating unit for rotating one or more elements of the dead bolt operation unit by operation of an external key inserted through the first key hole;
The user operates the key by moving the manipulation protrusion and inserting the key into the first key hole, whereby the dead bolt and the latch bolt can be released.
The method according to claim 1,
The key cover rib part,
As the user moves the manipulation protrusion, it moves up and down to open and close a region in which an external key can be inserted among the regions of the first key hole,
An automatic latch type door lock capable of releasing the latch bolt by operating the latch bolt control unit rotating unit and the latch bolt operating unit as the user moves the operating protrusion.
The method according to claim 1,
The latch bolt operation part rotating part,
a latch bolt shaft coupled to the latch bolt operation unit; and a latch bolt rotor fastened to a part of the latch bolt shaft, and including a latch bolt rotor projection on one surface that can be in contact with an external element.
The rib body includes a key cover rib protrusion having a structure protruding from the lower side, and as the key cover rib part is moved up and down, the key cover rib protrusion and the latch bolt rotor protrusion are engaged to rotate the latch bolt rotor. can,
The latch bolt shaft rotates by the rotation of the latch bolt rotor, the latch bolt operation unit operates according to the rotation of the latch bolt shaft, and the latch bolt can be released.
4. The method according to claim 3,
The key cover rib projection has a clearance with the latch bolt rotor projection,
While the rib body moves from the initial point to the first point, the key cover rib projection and the latch bolt rotor projection do not contact,
While the rib body moves from the initial point to the second point thereafter, the key cover rib protrusion and the latch bolt rotor protrusion come into contact with each other, so that the vertical movement of the rib body is converted into rotational motion of the latch bolt rotor, auto latch type door lock.
The method according to claim 1,
The dead bolt operation part rotating part,
a key driving rotation unit having a receiving groove for accommodating an external key, the external key being inserted and rotating by a user's manipulation;
a first gear engaged with the key-driven rotating unit to rotate according to the rotation of the key-driven rotating unit;
a second gear engaged with the first gear and rotating according to the rotation of the first gear;
A dead bolt shaft that is engaged with the second gear and rotates according to the rotation of the second gear;
The dead bolt operation unit is driven by the rotation of the dead bolt shaft to release the dead bolt.
6. The method of claim 5,
The second gear includes a second gear inner protrusion having a plurality of protrusions inside the hole through which the dead bolt shaft can be fitted,
The dead bolt shaft and the second gear may operate in conjunction with each other by the contact between the inner projection of the second gear and the dead bolt shaft,
The second gear inner protrusion is spaced apart between the second gear inner protrusion so that the second gear can rotate when the dead bolt shaft is rotated by a predetermined amount or more.

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