KR20090091480A - Backset used for door lock - Google Patents

Backset used for door lock Download PDF

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Publication number
KR20090091480A
KR20090091480A KR1020080016761A KR20080016761A KR20090091480A KR 20090091480 A KR20090091480 A KR 20090091480A KR 1020080016761 A KR1020080016761 A KR 1020080016761A KR 20080016761 A KR20080016761 A KR 20080016761A KR 20090091480 A KR20090091480 A KR 20090091480A
Authority
KR
South Korea
Prior art keywords
cam
dead
latch
backset
door lock
Prior art date
Application number
KR1020080016761A
Other languages
Korean (ko)
Inventor
김세진
Original Assignee
블루솔텍(주)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 블루솔텍(주) filed Critical 블루솔텍(주)
Priority to KR1020080016761A priority Critical patent/KR20090091480A/en
Publication of KR20090091480A publication Critical patent/KR20090091480A/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/0017—Locks with sliding bolt without provision for latching
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B2047/0014—Constructional features of actuators or power transmissions therefor
    • E05B2047/0018—Details of actuator transmissions
    • E05B2047/002—Geared transmissions

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Lock And Its Accessories (AREA)

Abstract

A backset of a door locker is provided to reduce the manufacturing cost by reducing the number of component and to make the configuration of inside simple. A backset of a door locker comprises a dead bolt(21), a latch holder, a motor unit(10), and a gear pressure spring(13). The latch holder slides between a dead cam and a latch cam and is connected with the dead cam and the latch cam. The motor unit rotates a worm gear(11) using the power source. The gear pressure spring surrounds a gear pressure pin(12a). The one end of the gear pressure spring is connected to the thread of the worm gear around the gear pressure pin. The one end of the gear pressure spring is moved to top and bottom in the worm gear rotation along the thread. The dead cam and the latch cam are connected and operated by sliding the latch hole by pressing the other end of the gear pressure spring with a gear pressure roller(12b).

Description

BACKSET USED FOR DOOR LOCK}

The present invention relates to a backset of a door lock device of the present invention, and more particularly, to a back lock of a door lock device capable of operating a door lock device even in a narrow space by using a gear arm spring mounted inside the back set for interlocking a dead cam and a latch cam. .

Conventional door lock device is a security device that is mounted to the door (door) to secure the door to the door frame (doorframe, door frame) according to the user operation, or to release the state fixed to the door frame. The door lock device is largely composed of an inner case installed at the indoor side, an outer case installed at the outdoor side, and a backset formed between the inner case and the outer case.

Backset of the conventional door lock device has a problem of excessive use of space in the backset by having a dead lever and a latch lever for operating the dead bolt and latch bolt, and adds a function to meet more requirements to the user If necessary, it needs to be newly modified, and it is necessary to make the deadbolt lock control more stable.

Therefore, in order to solve the above problems, the present invention installs a latch holder that slides using a gear arm spring to interlock a dead cam and a latch cam, thereby simplifying the internal configuration and reducing the number of parts, thereby reducing material costs. To solve the problem, it is a problem to provide a backset of a door lock device that can improve a structure that causes a complicated state of operating a locked state.

Backset of the door lock device mounted to the door according to the present invention, the dead cam is formed with a ring interlocking the inner handle and the outer handle; A latch cam positioned above the dead cam and interlocked with the dead cam; And a dead bolt fitted into a groove formed in the door frame by interlocking the dead cam and the latch cam, wherein the dead cam and the latch cam slide together between the dead cam and the latch cam. A latch holder that enables this; A motor unit rotating the worm gear by an applied power source; And a gear arm pin wound in a cylindrical shape, one end of which is connected to the screw bone of the worm gear with the gear arm pin as a central axis, moving up and down along the screw bone when the worm gear rotates, and moving up and down of the one end. By the other end by applying a force to the gear arm roller by sliding the latch holder may include a gear arm spring for allowing the dead cam and the latch cam to interlock.

Preferably, the latch holder slides in the dead bolt direction so that the dead cam and the latch cam interlock with each other.

The other end of the gear arm spring is preferably formed in a "b" shape.

The other end of the gear arm spring is preferably formed in a "-" shape.

Preferably, the dead cam has an interlocking groove which allows the latch holder to slide in the direction of the dead bolt.

The dead cam may further include a first dead cam spring surrounding the ring and maintaining the rotation angle of the latch cam horizontally.

Preferably, the dead cam has a protrusion formed to protrude from the second dead cam spring for fixing the latch holder.

The second dead cam spring is preferably positioned in the opposite direction of the dead bolt when the latch holder is not applied to the latch holder.

The latch holder preferably forms one or more protrusions to secure the latch cam.

The present invention installs a latch holder sliding by using a gear arm spring in the door lock device by interlocking the dead cam and the latch cam, thereby simplifying the internal configuration and reducing the number of parts to reduce the material cost, locking state It is possible to reduce the a / s that can occur in the future by improving the structure that causes frequent failures due to the complicated structure for operating the system, and can enhance the competitiveness of the product by reducing future costs and improving the reliability of the product.

Hereinafter, a backset of a door lock device according to an exemplary embodiment of the present invention will be described with reference to FIGS. 1 to 5.

1 is a front view illustrating a structure of a backset of a door lock device in which a dead bolt is locked according to a first embodiment of the present invention, FIG. 2 is a cross-sectional view of the backset of the door lock device of FIG. 1, and FIG. 2 is a perspective view illustrating only a part of a backset of a door lock device in which a dead bolt is locked according to the first embodiment of the present invention, and FIG. 4 is a dead cam and a latch cam according to the second embodiment of the present invention. FIG. 5 is a front view illustrating a structure of a back set of a door lock device, and FIG. 5 is a perspective view illustrating only a partial configuration of a back set of a door lock device in which a dead cam and a latch cam according to a second embodiment of the present invention shown in FIG. .

As shown in Figure 1 and 2, the back bolt of the dead bolt locked door lock device according to the first embodiment of the present invention is a dead bolt 21, dead cam 60 and latch cam 40, latch holder ( 41).

In addition, a gear arm pin 12a for applying a force to the latch holder 41 due to the rotation of the motor unit 10 for rotating the worm gear 11 by the applied power, and the worm gear 11 of the motor unit 10. And a gear arm roller 12b and a gear arm spring 13.

Here, the gear arm spring is formed by winding the gear arm pin 12a in a cylindrical shape, one end of which is connected to the screw bone of the worm gear 11 with the gear arm pin 12a as a central axis along the screw bone when the worm gear 11 rotates. It moves up and down, and the other end is applied to the gear arm roller 12b by one end of the up and down movement to slide the latch holder 41 in the direction of the dead bolt, thereby causing the dead cam 60 and the latch cam 40 to move. To work together.

In addition, the other end of the gear arm spring 13 may be a "-" shape, may be a "-" shape. That is, in the case of the "a" shape, there is an advantage that the force can be applied to the gear arm roller 12b in a smaller space by using the bent portion.

The dead bolt 21 moves between the locking position A outside the backset and the release position B inside the backset. If the dead bolt 21 is in the locking position (A), the door remains locked, and if the dead bolt 21 is in the unlocking position (B) by a release operation applied by a normal procedure. The locked state of the door is released.

In addition, the dead bolt 21 is preferably implemented by the dead bolt member 21 and the dead bolt plate (22). One end of the dead bolt plate 22 is connected to the dead bolt member 21, and the other end of the dead bolt plate 22 is formed with a hole for penetrating the guide pins (23a, 23b).

Here, the guide pins 23a and 23b are sandwiched between the grooves 70a and 70b of the cover to reciprocate. Here, the guide bushings 24a and 24b are formed so that the guide pins 23a and 23b are fitted in the penetrated center portion. The guide bushings 24a and 24b reciprocate the grooves 70a and 70b of the base 70 in conjunction with the guide pins 23a and 23b.

Dead cam 40 is one side of the latch holder 41 to move in the direction of the dead bolt when the latch holder 41 is applied by the gear arm roller 12b on the base of the door lock device Interlocking grooves (not shown) are created.

In addition, the dead cam 40 further includes a first dead cam spring 41b that surrounds the ring and keeps the rotation angle of the latch cam 60 horizontal. That is, the first dead cam spring 41b wraps around the ring of the dead cam 40, and both ends are bent, so that the horizontal side parallel to the dead cam 40 fixes the dead cam 40. The vertical side formed vertically matches the grooves of the dead cam 40 and the latch cam 60 so that the dead cam 40 and the latch cam 60 can be interlocked in parallel.

And, the dead cam 40 is fitted with a second dead cam spring 60a to fix the latch holder 41, to form a protrusion (not shown) on the top of the dead cam 40 to fit this do. Here, the latch holder 41 is returned to the position before receiving the force by the gear arm spring 13, that is, the opposite direction of the dead bolt, through the second dead cam spring 60a fitted to the protrusion.

At this time, before the gear arm spring 13 receives the force from the motor unit 10, the dead cam 40 and the latch cam 60 correspond to the state that is not interlocked, that is, only the dead cam 40 including the ring The dead cam 40 and the latch cam 60 only operate independently of each other by being locked to be free to rotate. It is also said to be idle.

In addition, the latch holder 41 may form a protrusion 41a to fix the latch cam 40. Here, the protrusion 41a may be formed in a quadrangular shape, and it is obvious that the groove is formed at the position of the latch cam 40 corresponding to the rectangular protrusion. At this time, the groove should be longer than the length of the square projection so that the linear projection can freely move linearly.

3 is a perspective view illustrating only a part of a backset of a door lock device in which a dead bolt is locked according to a first embodiment of the present invention shown in FIGS. 1 and 2. As shown in Fig. 3, the gear arm spring 13 is connected to the screw bone having one end formed on the worm gear 11 of the motor unit 10 with the gear arm pin 12a as the axis, and the other end of the gear arm roller. It is formed in the shape of “a” to exert strength upon (12b).

Then, when the worm gear 11 rotates, one end of the gear arm spring 13 moves up and down, and the other end pushes the gear arm roller 12b in the direction of the dead bolt due to the movement of the one end.

At this time, the latch holder 41 is slid in the direction of the dead bolt to be fixed by the second dead cam spring 60a, and the groove of the dead cam 40 and the latch cam 60 by the first dead cam spring 41b. Will match each other.

Then, the dead cam 40 and the latch cam 60 are interlocked to position the dead bolt 21 in the release position B by the rotational movement about the cam axis R. As shown in FIG. This will be described in detail with reference to FIGS. 4 and 5 below.

4 is a front view illustrating a structure of a backset of a door lock device in which a dead cam and a latch cam are interlocked according to a second embodiment of the present invention, and FIG. 5 is a second embodiment of the present invention shown in FIG. It is a perspective view which shows only a partial structure of the backset of the door lock apparatus which a dead cam and a latch cam linked.

4 and 5, first, when the dead cam 40 and the latch cam 60 is interlocked, when the user enters a password, the power of the motor unit 10 is applied, and the motor unit 10 Rotates the worm gear so that one end of the gear arm spring 13 located at the end of the worm gear is moved to the root side of the worm gear.

On the other hand, the other end of the gear arm spring 13 exerts a force on the gear arm roller 12b to the dead bolt side (or dead cam side), and the gear arm roller 12b is provided with the moving groove 14 formed on the base. Accordingly, the latch holder 41 is slidably moved in the dead bolt direction.

On the other hand, when the inner handle lever is inserted into C, the outer handle lever is inserted into D, and the dead cam 40 and the latch cam 60 are interlocked, that is, the dead cam 40 when the latch holder 41 is locked. ) And the latch cam 60 are interlocked. Here, the inner handle is always interlocked with the dead cam 40, the outer handle releases the dead bolt 20 only when the latch holder 41 is locked and the dead cam 40 and the latch cam 60 is interlocked. can do. In addition, when the latch holder 41 is in the unlocked state, the dead cam 40 and the latch cam 60 do not interlock at all times.

Thus, when the inner handle inserted in C rotates counterclockwise (or clockwise), the dead cam always rotates counterclockwise (or counterclockwise) with the inner handle, and the outer handle is rotated by the normal procedure. The dead cam can be rotated counterclockwise only by an applied release method. In this way, rotation of the dead cam in the counterclockwise (or clockwise) direction by the inner or outer handle moves the guide bushing 24b along the groove 70b of the base 70. As the guide bushing 24b moves, the dead bolt 20 also moves to the release position B in conjunction with each other.

On the other hand, the sliding direction of the latch holder 41 is not limited to the direction of the dead bolt 21, it may be modified depending on the position of the motor unit 10, gear arm pins and gear arm rollers (12a, 12b). have.

Thus, the backset of the door lock device according to the present invention, by installing a latch holder sliding by using a gear arm spring to interlock the dead cam and the latch cam, to simplify the configuration of the backset, reduce the number of parts to reduce the material cost It is possible to reduce the cost, and the structure that operates the locked state can improve the structure that caused frequent failures, thereby reducing the a / s that can occur in the future, and strengthening the product's competitiveness by reducing future costs and improving the reliability of the product. You can.

As such, the technical configuration of the present invention described above can be understood by those skilled in the art that the present invention can be implemented in other specific forms without changing the technical spirit or essential features of the present invention. Therefore, the above-described embodiments are to be understood in all respects as illustrative and not restrictive, and the scope of the present invention is indicated by the appended claims rather than the detailed description, and the meaning and scope of the claims and their equivalents. All changes or modifications derived from the concept should be construed as being included in the scope of the present invention.

1 is a front view illustrating a structure of a back set of a door lock device in which a dead bolt is locked according to a first embodiment of the present invention;

2 is a cross-sectional view of the backset of the door lock device of FIG.

3 is a perspective view showing only a partial configuration of a backset of a door lock device in which a dead bolt is locked according to a first embodiment of the present invention shown in FIGS. 1 and 2;

4 is a front view illustrating a structure of a backset of a door lock device in which a dead cam and a latch cam are linked according to a second embodiment of the present invention;

5 is a perspective view illustrating only a partial configuration of a backset of a door lock device in which a dead cam and a latch cam are interlocked according to the second embodiment of the present invention shown in FIG. 4.

Claims (9)

A dead cam having a ring interlocked with the inner handle and the outer handle; A latch cam positioned above the dead cam and interlocked with the dead cam; And a dead bolt fitted into a groove formed in the door frame by interlocking the dead cam and the latch cam. A latch holder sliding between the dead cam and the latch cam to enable the dead cam to interlock with the latch cam; A motor unit rotating the worm gear by an applied power source; And It is formed by winding a gear arm pin in a cylindrical shape, one end of which is connected to the screw bone of the worm gear with the gear arm pin as a central axis, and moves up and down along the screw bone when the worm gear rotates. And a gear arm spring on which the other end forces the gear arm roller to slide the latch holder so that the dead cam and the latch cam interlock with each other. The method of claim 1, The latch holder is sliding in the direction of the dead bolt backset of the door lock device that the dead cam and the latch cam is interlocked. The method of claim 1, The other end of the gear arm spring is a backset of the door lock device is formed in a "b" shape. The method of claim 1, The other end of the gear arm spring is a backset of the door lock device is formed in a "-" shape. The method of claim 1, The dead cam is a backset of the door lock device in which an interlocking groove is formed to allow the latch holder to slide in the direction of the dead bolt. The method of claim 1, The dead cam further comprises a first dead cam spring surrounding the ring and maintaining the rotation angle of the latch cam horizontally. The method of claim 1, The dead cam is a backset of the door lock device formed with a protrusion protruding into the second dead cam spring for fixing the latch holder. The method of claim 7, wherein And the second dead cam spring positions the latch holder in a direction opposite to the dead bolt when no force is applied to the latch holder. The method of claim 1, And the latch holder forms one or more protrusions to secure the latch cam.
KR1020080016761A 2008-02-25 2008-02-25 Backset used for door lock KR20090091480A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020080016761A KR20090091480A (en) 2008-02-25 2008-02-25 Backset used for door lock

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Application Number Priority Date Filing Date Title
KR1020080016761A KR20090091480A (en) 2008-02-25 2008-02-25 Backset used for door lock

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102979368A (en) * 2012-12-14 2013-03-20 杨晋 Mechanical lock
CN104265085A (en) * 2014-08-14 2015-01-07 林荣炽 Glass door lock
CN104453476A (en) * 2014-10-23 2015-03-25 林荣炽 Glass door lock with inner-door locking function
CN105220946A (en) * 2015-10-19 2016-01-06 吴江市莘塔前进五金厂 A kind of latch bolt safe-guard door lock
CN109372331A (en) * 2018-12-20 2019-02-22 宁波新万泰消防设备有限公司 A kind of fire exit door using electric-mechanic locking
CN110965856A (en) * 2019-12-31 2020-04-07 王力安防科技股份有限公司 Lock tongue opening and closing structure and door lock with same

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102979368A (en) * 2012-12-14 2013-03-20 杨晋 Mechanical lock
CN104265085A (en) * 2014-08-14 2015-01-07 林荣炽 Glass door lock
CN104453476A (en) * 2014-10-23 2015-03-25 林荣炽 Glass door lock with inner-door locking function
CN105220946A (en) * 2015-10-19 2016-01-06 吴江市莘塔前进五金厂 A kind of latch bolt safe-guard door lock
CN105220946B (en) * 2015-10-19 2017-06-30 吴江市莘塔前进五金厂 A kind of latch bolt safe-guard door lock
CN109372331A (en) * 2018-12-20 2019-02-22 宁波新万泰消防设备有限公司 A kind of fire exit door using electric-mechanic locking
CN110965856A (en) * 2019-12-31 2020-04-07 王力安防科技股份有限公司 Lock tongue opening and closing structure and door lock with same

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