A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Disclosed is an automatic closing apparatus for a fire door. The automatic closing apparatus for a fire door according to one embodiment of the present invention comprises: a rotation unit including a rotary shaft coupled to an arm of a door closer, and a wheel portion rotated with the rotary shaft and formed with a concave groove at one side thereof while the rotary shaft is coupled through the rotary shaft; a locking unit arranged adjacent to the rotation unit, and provided with a locking member preventing rotation of the wheel portion by being inserted into the concave groove; and a locking releasing unit provided with a first link coupled to the locking unit at one end thereof, a second link coupled to the other end of the first link at one end thereof, and a pressing portion, wherein the pressing portion is provided adjacent to a link coupling portion of the first link and the second link and presses the first link or the second link to bend the link coupling portion while the locking unit move away from the wheel portion in accordance with a fire occurrence signal such that the locking member is released from being inserted to the concave groove.
방화문용 자동 폐쇄장치가 개시된다. 본 발명의 일 실시예에 따른 방화문용 자동 폐쇄장치는 도어클로저의 아암이 결합되는 회전축과, 회전축이 관통결합되고 회전축과 함께 회전되며 일측에 요홈이 형성된 휠부를 구비한 회전유닛; 회전유닛에 인접하게 배치되며, 요홈에 삽입되어 휠부의 회전을 방지하는 로킹부재를 구비한 로킹유닛; 및 로킹유닛에 일단이 결합된 제1 링크와, 제1 링크의 타단에 일단이 결합된 제2 링크와, 제1 링크와 제2 링크의 링크 결합부에 인접하게 마련되어 화재 발생 신호에 따라 로킹유닛이 휠부에서 멀어지는 방향으로 이동되어 로킹부재가 요홈에서 삽입해제되도록 제1 링크 또는 제2 링크를 가압하여 링크 결합부를 절곡시키는 가압부를 구비한 로킹 해제유닛를 포함한다.
Disclosed is an automatic closing apparatus for a fire door. The automatic closing apparatus for a fire door according to one embodiment of the present invention comprises: a rotation unit including a rotary shaft coupled to an arm of a door closer, and a wheel portion rotated with the rotary shaft and formed with a concave groove at one side thereof while the rotary shaft is coupled through the rotary shaft; a locking unit arranged adjacent to the rotation unit, and provided with a locking member preventing rotation of the wheel portion by being inserted into the concave groove; and a locking releasing unit provided with a first link coupled to the locking unit at one end thereof, a second link coupled to the other end of the first link at one end thereof, and a pressing portion, wherein the pressing portion is provided adjacent to a link coupling portion of the first link and the second link and presses the first link or the second link to bend the link coupling portion while the locking unit move away from the wheel portion in accordance with a fire occurrence signal such that the locking member is released from being inserted to the concave groove.
방화문용 자동 폐쇄장치가 개시된다. 본 발명의 일 실시예에 따른 방화문용 자동 폐쇄장치는 도어클로저의 아암이 결합되는 회전축과, 회전축이 관통결합되고 회전축과 함께 회전되며 일측에 요홈이 형성된 휠부를 구비한 회전유닛; 회전유닛에 인접하게 배치되며, 요홈에 삽입되어 휠부의 회전을 방지하는 로킹부재를 구비한 로킹유닛; 및 로킹유닛에 일단이 결합된 제1 링크와, 제1 링크의 타단에 일단이 결합된 제2 링크와, 제1 링크와 제2 링크의 링크 결합부에 인접하게 마련되어 화재 발생 신호에 따라 로킹유닛이 휠부에서 멀어지는 방향으로 이동되어 로킹부재가 요홈에서 삽입해제되도록 제1 링크 또는 제2 링크를 가압하여 링크 결합부를 절곡시키는 가압부를 구비한 로킹 해제유닛를 포함한다.
AUTOMATIC CLOSING APPARATUS FOR FIRE DOOR
방화문용 자동 폐쇄장치
SUNG SI HO (author)
2018-08-02
Patent
Electronic Resource
Korean
IPC:
E05F
DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION
,
Vorrichtungen zum Bewegen der Flügel in die Offen- oder Schließstellung
/
A62C
FIRE-FIGHTING
,
Feuerbekämpfung
/
E06B
Feste oder bewegliche Abschlüsse für Öffnungen in Bauwerken, Fahrzeugen, Zäunen oder ähnlichen Einfriedungen allgemein, z.B. Türen, Fenster, Läden, Tore
,
FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES, OR LIKE ENCLOSURES, IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES