KR101968440B1 - Doorlock for Fireproof door with 3-point fixed structure - Google Patents

Doorlock for Fireproof door with 3-point fixed structure Download PDF

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Publication number
KR101968440B1
KR101968440B1 KR1020180030672A KR20180030672A KR101968440B1 KR 101968440 B1 KR101968440 B1 KR 101968440B1 KR 1020180030672 A KR1020180030672 A KR 1020180030672A KR 20180030672 A KR20180030672 A KR 20180030672A KR 101968440 B1 KR101968440 B1 KR 101968440B1
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KR
South Korea
Prior art keywords
door
bolt
fire door
latch
door lock
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KR1020180030672A
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Korean (ko)
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권영모
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주식회사 월드크로스
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    • 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
    • E05B63/14—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other
    • E05B63/146—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other locks with two or more bolts, each bolt itself being a tumbler
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
    • E05C9/04—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening
    • E05C9/042—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening with pins engaging slots
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
    • E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/04—Spring arrangements in locks
    • E05B2015/0496—Springs actuated by cams or the like
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/40—Physical or chemical protection
    • E05Y2800/414—Physical or chemical protection against high or low temperatures
    • E05Y2800/416—Physical or chemical protection against high or low temperatures against fire
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Type of wing
    • E05Y2900/132—Doors
    • E05Y2900/134—Fire doors

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Special Wing (AREA)

Abstract

The present invention relates to a door lock for a fire door with a three-point fixing structure comprising: an operating unit having a protruding part to operate a latch bolt and a protruding ring part to rotate a center plate cam; and a door lock assembly having a slide plate, wherein one side of a connection rod is connected to the center plate cam by a shaft pin, and the other side of the connection rod is connected to a dead bolt. An upper and a lower latch fixing unit are installed to penetrate an upper and a lower portion of the door lock assembly to fix an upper and a lower portion of a fire door, and a latch is connected thereto to enter an upper and a lower end of the fire door. The slide plate has an arc-shaped cam groove to guide a guide pin connected to the upper and the lower latch fixing unit to operate the upper and the lower latch fixing unit. The guide pin connected to the upper and the lower latch fixing unit passes through the arc-shaped cam groove to be exposed to an upper and a lower guide groove formed on a side plate. According to the present invention, a latch bolt and a dead bold making up a door lock can fix a side of a fire door on a door frame, and fix an upper and a lower portion of the fire door on the door frame at the same time. Therefore, the upper and the lower portion of the fire door are prevented from being bent by flames when a fire occurs.

Description

3점 고정구조를 갖는 방화문용 도어락{Doorlock for Fireproof door with 3-point fixed structure}{Doorlock for fireproof door with 3-point fixed structure}

본 발명은 3점 고정구조를 갖는 방화문용 도어락에 관한 것으로서, 더욱 상세하게는 도어락의 레치볼트와 데드볼트에 의한 방화문의 측방을 문틀에 괘정하면서 방화문 상,하방을 문틀에 동시에 괘정할 수 있도록 구성된 3점 고정구조를 갖는 방화문용 도어락에 관한 것이다.The present invention relates to a door lock for a fire door having a three-point fixing structure, and more particularly, to a door lock having a three-point fixing structure, and more particularly, To a door lock for a fire door having a three-point fixing structure.

주지하는 바와 같이 방화문은 주택 등 건축의 실내와 통로 사이 등에 설치되어 실외의 화재시 화염이나 연기가 실내에서 실외로 또는 실외에서 실내로 번지는 것을 방지할 수 있도록 하기 위한 것이다.As is known, a fire door is provided between a room and an interior of a building such as a house so as to prevent flames or smoke from being blown from the room to the outside or from outside to the room.

아파트 등이 초고층화됨에 따라 화재발생 위험요소가 많이 증가하고 있는 바, 화재 발생시 화염과 연기가 확산되는 것을 막지 못하면 고층에서 생활하고 있는 사람들이 화염과 연기의 확산에 의해서 인명과 재산의 피해가 발생할 수 있는 것이다.Apartment buildings, etc. have been increasing in number, and the risk of fire has increased so much that if people can not prevent the spread of flames and smoke when a fire occurs, people living in high-rise areas will suffer damage to lives and property due to the spread of flames and smoke. You can.

그래서 방화문은 화재시 화염에 의해서 도어락을 구성하는 레치볼트와 데드볼트가 파손되어 개방되거나 방화문의 상,하방이 휘어지는 것을 방지할 수 있는 기능이 있어야 한다.Therefore, the fire door must have the function to prevent the latch bolt and the dead bolt constituting the door lock from being opened by the flame during the fire, or to prevent the upper and lower sides of the fire door from bending.

종래 방화문용 도어락의 경우에 레치볼트와 데드볼트에 의한 방화문의 측방을 문틀에 괘정되도록 구성되어 있다.In the case of a door lock for a conventional fire door, the side of the fire door by the latch bolt and the dead bolt is configured to be folded in the door frame.

그러면, 화재시 화염에 의해서 도어락을 구성하는 레치볼트와 데드볼트가 방화문의 측방으로 괘정하여 방화문이 개방되는 것은 방지할 수 있으나 방화문의 상,하방이 휘어지는 것을 방지할 수 없기 때문에 화염에 의해서 방화문의 상,하방이 휘어지게 됨으로써, 화염이나 연기가 실내에서 실외로 또는 실외에서 실내로 확산되는 결과로 화재로 인한 피해를 입게 되는 것이다.In this case, it is possible to prevent the fire door from being opened by setting the latch bolt and the dead bolt constituting the door lock by the flame to the side of the fire door, but since the fire door can not prevent the upward and downward bending, As the upper and lower sides are bent, the flame or smoke is diffused from the room to the outside or from outside to the room, resulting in fire damage.

한국 등록특허: 제10-1634276호(2016년06월22일.등록)Korean Registered Patent: No. 10-1634276 (registered on June 22, 2016) 한국 등록특허: 제10-1468619호(2014년11월27일.등록)Korean Registered Patent: No. 10-1468619 (registered on November 27, 2014)

본 발명은 상기한 문제를 해결하기 위한 것으로서, 도어락을 구성하는 레치볼트와 데드볼트가 방화문의 측방을 도어프레임에 괘정하고 동시에 방화문의 상,하도 도어프레임에 괘정하여 화재시 화염에 의해서 방화문 상,하방이 휘어지는 것을 방지할 수 있도록 하여 화염이나 연기가 실내에서 실외로 또는 실외에서 실내로 확산되는 것을 방지할 수 있도록 3점 고정구조를 갖는 방화문용 도어락을 제공하려는 것이다.SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is an object of the present invention to provide a door lock structure, in which a latch bolt and a dead bolt constituting a door lock are arranged on a door frame, A door lock for a fire door having a three-point fixing structure so as to prevent a downward bending of the door from being spread out from the room to the outside or outdoors to prevent the flame or smoke from diffusing into the room.

본 발명에 3점 고정구조를 갖는 방화문용 도어락은, 레치볼트를 작동시키기 위한 돌출편과 중간판캠을 회전시키기 위한 돌환부가 형성된 작동구와, 상기 중간판캠에는 축핀에 의해서 연결로드의 일측이 연결되고 연결로드의 다른 한쪽은 데드볼트와 연결된 슬라이드판으로 구성된 도어락 어셈블리와, 도어락 어셈블리의 상,하를 관통하여 방화문의 상,하를 고정하기 위한 상,하측 빗장고정구가 설치되고 여기에 빗장이 연결되어 방화문의 상,하단으로 출입할 수 있게 구성되며, 상기 상,하측 빗장고정구를 작동시킬 수 있도록 상,하측 빗장고정구와 연결된 가이드핀을 안내하기 위한 호형캠홈이 형성된 슬라이드판과, 상기 호형캠홈에 상,하측 빗장고정구와 연결된 가이드핀이 통과되어 측면판에 형성된 상,하안내홈으로 노출되어 구성된 것을 특징으로 한다.The door lock for a fire door having a three-point fixing structure according to the present invention is characterized in that the door lock has a protruding piece for actuating the latch bolt and a protruding portion for rotating the intermediate plate cam, and one end of the connecting rod is connected to the intermediate plate cam by a shaft pin The other side of the connecting rod is composed of a door lock assembly composed of a slide plate connected to the dead bolt and an upper and a lower latch fastener for fixing the upper and lower portions of the door through the door lock assembly, A sliding plate having an arcuate cam groove for guiding a guide pin connected to the upper and lower latching fasteners so as to be able to move up and down from the fire door and to operate the upper and lower latching fasteners; And a guide pin connected to the lower latching fixture is passed through the upper and lower guide grooves formed on the side plate. The.

본 발명에 의하면, 도어락을 구성하는 레치볼트와 데드볼트가 방화문의 측방을 도어프레임에 괘정하고 동시에 방화문의 상,하도 도어프레임에 괘정할 수 있기 때문에 화재시 화염에 의해서 방화문의 상,하방이 휘어지는 것을 방지할 수 있는 효과가 있다.According to the present invention, since the latch bolt and the dead bolt constituting the door lock can be positioned on the door frame at the sides of the fire door, and can be positioned in the upper and lower door frames of the fire door, the upper and lower sides of the fire door are bent There is an effect that it can be prevented.

상기와 같이 방화문의 상,하방이 휘어지는 것을 방지할 수 있기 때문에 화재시 화염과 연기가 실내에서 실외로 또는 실외에서 실내로 확산되는 것을 방지할 수 있어 화재시 피해를 줄여 인명과 재산을 보호할 수 있는 매우 유익한 발명이다.Since it is possible to prevent the upper and lower portions of the fire door from being bent as described above, it is possible to prevent the flames and smoke from spreading from the room outdoors or outdoors to the room during a fire, It is a very beneficial invention.

도 1은 본 발명에 의한 레치볼트가 돌출된 상태의 예시도
도 2는 본 발명에 의한 레치볼트 및 데드볼트가 들어간 상태의 예시도
도 3은 본 발명에 의한 레치볼트 및 데드볼트가 돌출된 상태의 예시도
도 4는 본 발명에 의한 방화문용 도어락의 일부 분해사시도
도 5는 본 발명에 의한 방화문용 도어락이 방화문에 설치된 상태의 예시도1 is an exemplary view showing a state in which a latch bolt is protruded according to the present invention;
2 is an exemplary view showing a state in which the latch bolt and the dead bolt are inserted according to the present invention;
3 is an exemplary view showing a state in which the latch bolt and the dead bolt are protruded according to the present invention
4 is a partially exploded perspective view of a door lock for a fire door according to the present invention.
Fig. 5 is an exemplary view showing a state in which a door lock for a fire door according to the present invention is installed in a fire door

본 발명에 의한 3점 고정구조를 갖는 방화문용 도어락에 관한 구성을 첨부된 도면과 관련하여 상세하게 설명하면 다음과 같다.DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A door lock for a fire door having a three-point fixing structure according to the present invention will be described in detail with reference to the accompanying drawings.

본 발명에 의한 3점 고정구조를 갖는 방화문용 도어락은, 레치작동손잡이(10)에 의해 회전하는 작동구(11)가 설치되고, 상기 작동구(11)에는 상부에 레치볼트(12)를 작동시키기 위한 돌출편(11-1)과 중간판캠(13)을 회전시키기 위한 돌환부(11-2)가 형성되어 있다.A door lock for a fire door having a three-point fixing structure according to the present invention is provided with an operating port 11 which is rotated by the latch operating handle 10 and the latch bolt 12 is operated And a projection portion 11-2 for rotating the intermediate plate cam 13 are formed.

상기 중간판캠(13)에는 축핀(13-1)에 의해서 연결로드(14)의 일측이 연결되고 이렇게 연결된 연결로드(14)의 다른 한쪽은 데드볼트(20)가 구비된 슬라이드판(21)에 축핀(13-2)으로 연결되어 레치작동손잡이(10)의 작동에 의해서 레치볼트(12)와 데드볼트(20)가 작동할 수 있게 구성되어 있다.One end of the connecting rod 14 is connected to the intermediate plate 13 by a shaft pin 13-1 and the other end of the connecting rod 14 is connected to a slide plate 21 having a dead bolt 20 Is connected to the shaft pin 13-2 so that the latch bolt 12 and the dead bolt 20 can be operated by the operation of the latch operating knob 10.

상기 데드볼트(20)가 연결된 슬라이드판(21)에는 데드볼트용 자물쇠뭉치(25)의 돌출편(25-1)에 의해서 작동할 수 있게 걸림부(21-1)가 형성되어 도어락 어셈블리(30)가 구성된다.The slide plate 21 to which the dead bolt 20 is connected is formed with the latching part 21-1 so as to be operated by the projecting piece 25-1 of the lock bolt 25 for the dead bolt, ).

상기 도어락 어셈블리(30)의 상,하를 관통하여 상,하측 빗장고정구(1)(2)가 설치되고 상기 상,하측 빗장고정구(1)(2)에는 빗장(1-1)(2-1)을 연결하여 빗장이 방화문(40)의 상,하단으로 출입할 수 있게 구성된다.The upper and lower bolt fasteners 1 and 2 are provided so as to pass through the upper and lower portions of the door lock assembly 30 and the bolts 1-1 and 2-1 So that the bolt can be inserted into and out of the upper and lower ends of the fire door 40.

상기 도어락 어셈블리(30)를 구성하는 데드볼트(20)와 연결된 슬라이드판(21)에는 방화문의 상,하를 고정하기 위한 상,하측 빗장고정구(1)(2)를 작동시키기 위하여 상,하측 빗장고정구(1)(2)와 연결된 가이드핀(3)(4)을 이동시키기 위한 호형캠홈(5)(6)이 형성되고, 상기 호형캠홈(5)(6)에는 상,하측 빗장고정구(1)(2)와 연결된 가이드핀(3)(4)이 통과되어 측면판(31)에 형성된 상,하안내홈(7)(8)으로 노출되어 구성된다.The slide plate 21 connected to the deadbolts 20 constituting the door lock assembly 30 is provided with upper and lower latches 1 and 2 for operating the upper and lower latching fasteners 1 and 2 for fixing the upper and lower portions of the fire doors, Shaped cam grooves 5 and 6 for moving the guide pins 3 and 4 connected to the fasteners 1 and 2 are formed in the upper cam groove 5 and the upper cam groove 5, The upper and lower guide grooves 7 and 8 formed in the side plate 31 are exposed through the guide pins 3 and 4 connected to the guide pins 2 and 3, respectively.

도면의 미설명부호 50은 도어프레임, 51은 빗장홈을 의미하는 것이다.In the drawings, reference numeral 50 denotes a door frame, and 51 denotes a latch groove.

이러한 구성으로 된 본 발명의 3점 고정구조를 갖는 방화문용 도어락에 관한 작용을 상세히 살펴보면 다음과 같다.The operation of the door lock for a fire door having such a three-point fixing structure according to the present invention will now be described in detail.

방화문용 도어락의 어셈블리(30)를 구성하는 레치볼트(12)는 평상시 도1에서 보는 바와 같이 돌출되어 도어프레임(50)에 형성된 스트라이커 플레이트에 결합되며, 이렇게 스트라이커 플레이트에 결합된 레치볼트(12)는 도2에서 보는바와 같이 레치작동손잡이(10)의 작동에 의해서 후퇴하여 방화문을 개방할 수 있다.1, the latch bolt 12 constituting the door lock assembly 30 is coupled to the striker plate formed on the door frame 50 as shown in FIG. 1, and the latch bolt 12 coupled to the striker plate, As shown in FIG. 2, can be retracted by the operation of the latch operating handle 10 to open the fire door.

그리고, 데드볼트용 자물쇠뭉치(25)의 작동손잡이(도시하지 않음)를 돌리거나 데드볼트용 자물쇠뭉치(25)를 열쇠로 작동시키면, 데드볼트용 자물쇠뭉치(25)를 구성하는 돌출편(25-1)이 데드볼트용 자물쇠뭉치(25)의 일반적인 작용에 의해서 데드볼트(20)가 연결된 슬라이드판(21)이 함께 전진이동하여 데드볼트(20)가 스트라이커 플레이트에 결합된다.When the operating knob (not shown) of the lock bolt 25 for the dead bolt is turned or the lock bolt 25 for the dead bolt is operated with the key, the protruding pieces 25 -1 The slide plate 21 to which the dead bolt 20 is connected is moved forward by the general action of the lock bolt 25 for the dead bolt so that the dead bolt 20 is engaged with the striker plate.

상기와 같은 작용을 하게 되면, 슬라이드판(21)에 형성된 호형캠홈(5)(6)에 결합되어 있고, 상,하측 빗장고정구(1)(2)와 연결된 가이드핀(3)(4)이 호형캠홈(5)(6)에 의해서 상,하로 이동하며 이 때 가이드핀(3)(4)이 측면판(31)에 형성된 상,하안내홈(7)(8)을 따라 상,하로 이동하게 된다.The guide pins 3 and 4 connected to the upper and lower latching fixtures 1 and 2 are engaged with the arc-shaped cam grooves 5 and 6 formed on the slide plate 21, The guide pins 3 and 4 are moved upward and downward along the upper and lower guide grooves 7 and 8 formed in the side plate 31 by the arcuate cam grooves 5 and 6, .

그러면, 상,하측 빗장고정구(1)(2)와 연결되어 있는 빗장(1-1)(2-1)이 방화문(40)의 상,하단으로 돌출되어 도어프레임(50)에 형성된 빗장홈(51)에 결합된다.The bolts 1-1 and 2-1 connected to the upper and lower bolt fasteners 1 and 2 are protruded to the upper and lower ends of the fire door 40, 51).

따라서, 방화문은 도어락 어셈블리(30)의 작용에 의해서 레치볼트 및 데드볼트는 도어프레임(50)에 형성된 스트라이커 플레이트에 결합되고, 또 도어프레임(50)에 형성된 빗장홈(51)에는 빗장(1-1)(2-1)이 결합되어 결국 방화문(40)이 도어프레임(50)의 3곳에 고정되는 것이다.(도3,5참조)The latch bolt and the dead bolt are coupled to the striker plate formed on the door frame 50 by the action of the door lock assembly 30 and the bolt groove 51 formed on the door frame 50 is coupled with the latch 1) 2-1 are combined and eventually the fire door 40 is fixed to three places of the door frame 50 (see FIGS. 3 and 5).

상기와 같이 본 발명에 의한 3점 고정구조를 갖는 방화문용 도어락에 의해서 방화문(40)이 도어프레임(50)의 3곳에 고정되기 때문에 화재시, 방화문의 측방과, 방화문의 상,하방이 휘어지는 것을 방지할 수 있게 됨으로써, 화염과 연기가 실내에서 실외로 또는 실외에서 실내로 확산되는 것을 방지하여 화재로 인한 피해를 크게 줄일 수 있게 된다.As described above, since the door 40 is fixed to three places of the door frame 50 by the door lock for the door with the three-point fixing structure according to the present invention, the sides of the door and the upper and lower sides of the door are bent It is possible to prevent the flames and the smoke from diffusing from the room to the outside or from outside to the room, thereby greatly reducing the damage caused by the fire.

그리고, 평상시와 같이 레치볼트만을 의존하여 방화문을 열고 닫을 때에는 데드볼트용 자물쇠뭉치(25)의 작동손잡이를 돌리거나 데드볼트용 자물쇠뭉치(25)를 열쇠로 돌려주면, 일반적인 작용에 의해서 데드볼트(20)가 연결된 슬라이드판(21)이 후진이동하여 데드볼트(20)가 스트라이커 플레이트에서 분리시킨다.When the fire door is opened and closed by relying only on the latch bolt as usual, if the operating knob of the lock bolt for dead bolt 25 is turned or the lock bolt 25 for dead bolt is turned by a key, the dead bolt The slide plate 21 to which the dead bolt 20 is connected moves backward and the dead bolt 20 is separated from the striker plate.

그러면, 슬라이드판(21)에 형성된 호형캠홈(5)(6)에 결합되어 있고, 상,하측 빗장고정구(1)(2)와 연결된 가이드핀(3)(4)이 호형캠홈(5)(6)에 의해서 상호 당겨지면서 가이드핀(3)(4)이 측면판(31)에 형성된 상,하안내홈(7)(8)을 따라 이동하여 상,하측 빗장고정구(1)(2)에 연결된 빗장(1-1)(2-1)이 도어프레임(50)에 형성된 빗장홈(51)에서 빠지게 된다.The guide pins 3 and 4 connected to the upper and lower latching fasteners 1 and 2 are engaged with the arc-shaped cam grooves 5 and 6 formed on the slide plate 21, The guide pins 3 and 4 are moved along the upper and lower guide grooves 7 and 8 formed in the side plate 31 to be guided by the upper and lower latching fasteners 1 and 2 The connected bolts 1-1 and 2-1 are pulled out of the bolt grooves 51 formed in the door frame 50.

또 다른 수단으로는, 스트라이커 플레이트에 결합된 레치볼트(12)는 도2에서 보는바와 같이 레치작동손잡이(10)를 회전시키면, 레치작동손잡이(10)에 의해 회전하는 작동구(11)를 구성하는 돌출편(11-1)과 돌환부(11-2)가 같이 이동하여 레치볼트를 후진시키고 동시에 중간판캠(13)을 이동시킨다.Alternatively, the latch bolt 12 coupled to the striker plate may be configured to rotate the latch operating knob 10, as shown in Fig. 2, to actuate the operating knob 11 rotated by the latch operating knob 10 The projecting piece 11-1 and the projecting portion 11-2 move together to move the latch bolt back and simultaneously move the intermediate plate cam 13. [

상기 작용으로 중간판캠(13)에 축핀(13-1)으로 연결된 연결로드(14)가 데드볼트(20)와 연결된 슬라이드판(21)을 후진시켜 슬라이판에 연결된 데드볼트(20)를 스트라이커 플레이트에서 분리되며, 동시에 슬라이드판(21)에 형성된 호형캠홈(5)(6)에 결합되어 있고, 상,하측 빗장고정구(1)(2)와 연결된 가이드핀(3)(4)이 호형캠홈(5)(6)에 의해서 상호 당겨지면서 가이드핀(3)(4)이 측면판(31)에 형성된 상,하안내홈(7)(8)을 따라 이동하여 상,하측 빗장고정구(1)(2)에 연결된 빗장(1-1)(2-1)이 도어프레임(50)에 형성된 빗장홈(51)에서 빠지게 된다.The connecting rod 14 connected to the intermediate plate cam 13 by the shaft pin 13-1 is moved backward by the slide plate 21 connected to the dead bolt 20 to move the dead bolt 20 connected to the slider plate to the striker plate And the guide pins 3 and 4 connected to the upper and lower latching fasteners 1 and 2 are engaged with the arcuate cam grooves 5 and 6 formed on the slide plate 21, The guide pins 3 and 4 are moved along the upper and lower guide grooves 7 and 8 formed in the side plate 31 while being pulled by the upper and lower latching fasteners 1 and 5 The latches 1-1 and 2-1 connected to the door frame 50 are pulled out of the latching slot 51 formed in the door frame 50. [

1,2: 상,하측 빗장고정구
1-1,2-1: 빗장
3,4: 가이드핀
5,6: 호형캠홈
7,8: 상,하안내홈1,2: upper and lower latches
1-1, 2-1: the bolt
3,4: guide pin
5,6: Arch type cam home
7, 8: Upper and lower guide groove

Claims (1)

레치볼트(12)를 작동시키기 위한 돌출편(11-1)과 중간판캠(13)을 회전시키기 위한 돌환부(11-2)가 형성된 작동구(11)와,
상기 중간판캠(13)에는 축핀(13-1)에 의해서 연결로드(14)의 일측이 연결되고 이렇게 연결된 연결로드(14)의 다른 한쪽은 데드볼트(20)가 구비된 슬라이드판(21)에 축핀(31-2)으로 연결되어 구성된 도어락 어셈블리(30)와,
상기 도어락 어셈블리(30)의 상,하를 관통하여 방화문의 상,하를 고정하기 위한 상,하측 빗장고정구(1)(2)가 설치되고, 상기 상,하측 빗장고정구(1)(2)에는 빗장(1-1)(2-1)이 연결되어 방화문(40)의 상,하단으로 출입할 수 있게 구성되며,
상기 상,하측 빗장고정구(1)(2)를 작동시킬 수 있도록 상,하측 빗장고정구(1)(2)에 연결된 가이드핀(3)(4)을 안내하기 위한 호형캠홈(5)(6)이 형성된 슬라이드판(21)과,
상기 호형캠홈(5)(6)에 상,하측 빗장고정구(1)(2)와 연결된 가이드핀(3)(4)이 통과되어 측면판(31)에 형성된 상하안내홈(7)(8)으로 노출되어 구성된 것을 특징으로 하는 3점 고정구조를 갖는 방화문용 도어락.An operation hole 11 in which a projecting piece 11-1 for operating the latch bolt 12 and a projecting portion 11-2 for rotating the intermediate plate cam 13 are formed,
One end of the connecting rod 14 is connected to the intermediate plate 13 by a shaft pin 13-1 and the other end of the connecting rod 14 is connected to a slide plate 21 having a dead bolt 20 A door lock assembly 30 connected to the shaft pin 31-2,
Upper and lower latching fasteners 1 and 2 for fixing the upper and lower portions of the door through the upper and lower portions of the door lock assembly 30 are provided in the upper and lower latching fasteners 1 and 2, The latches 1-1 and 2-1 are connected to the upper and lower ends of the fire door 40,
Shaped cam grooves 5 and 6 for guiding the guide pins 3 and 4 connected to the upper and lower bolt fasteners 1 and 2 so as to operate the upper and lower bolt fasteners 1 and 2, A slide plate 21 formed with a groove,
The upper and lower guide grooves 7 and 8 formed on the side plate 31 by passing the guide pins 3 and 4 connected to the upper and lower bolt fasteners 1 and 2 through the arcuate cam grooves 5 and 6, The door lock for a fire door has a three-point fixing structure.
KR1020180030672A 2018-03-16 2018-03-16 Doorlock for Fireproof door with 3-point fixed structure KR101968440B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111502433A (en) * 2020-04-28 2020-08-07 安徽云涛智能科技有限公司 Top and bottom hook control mechanism of anti-theft door

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KR20090004379U (en) * 2007-11-06 2009-05-11 이성진 Combination structure of driving gear for door lock
KR101325682B1 (en) * 2012-05-03 2013-11-05 노틸러스효성 주식회사 Locking device for door
KR101468619B1 (en) 2012-11-08 2014-12-03 (주)에이스앤아이 Door locking device
KR101634276B1 (en) 2016-04-08 2016-06-30 주식회사 예스코리아 Door lock for shelter
KR20170008467A (en) * 2015-07-14 2017-01-24 (주)혜강씨큐리티 Doorlock Mortise having Dead-Latch Function

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090004379U (en) * 2007-11-06 2009-05-11 이성진 Combination structure of driving gear for door lock
KR101325682B1 (en) * 2012-05-03 2013-11-05 노틸러스효성 주식회사 Locking device for door
KR101468619B1 (en) 2012-11-08 2014-12-03 (주)에이스앤아이 Door locking device
KR20170008467A (en) * 2015-07-14 2017-01-24 (주)혜강씨큐리티 Doorlock Mortise having Dead-Latch Function
KR101634276B1 (en) 2016-04-08 2016-06-30 주식회사 예스코리아 Door lock for shelter

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