A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Speed-adjustable door closer
The invention discloses a speed-adjustable door closer. The speed-adjustable door closer comprises a gas adjustment device, a driving device and a swing rod, the gas adjustment device is arranged on a door frame, and the driving device and the swing rod are arranged on a door. One end of the swing rod is movably connected with the gas adjustment device while the other end of the swing rod is connected with the driving device. The gas adjustment device comprises a slide rail and a slide structure, the slide structure is matched with the slide rail which is arranged on the door frame, the slide structure and one side of the slide rail form a seal cavity, and the side wall of the seal cavity is provided with an adjustment structure for adjustment of gas discharging volume of the seal cavity. The swing rod is movably arranged on the slide structure, the driving device comprises an accommodation cavity, an elastic part, a roller and a driving part, the elastic part used for energy accumulation is arranged in the accommodation cavity which is formed on the door, the roller is arranged on the door movably, the driving part is used for transmitting energy of the elastic part to the roller, and the swing rod is fixedly connected onto the roller. The speed-adjustable door closer has the advantages of stability in door closing speed, low cost, avoidance of leakage and environment pollution and wide applicability to various doors.
Speed-adjustable door closer
The invention discloses a speed-adjustable door closer. The speed-adjustable door closer comprises a gas adjustment device, a driving device and a swing rod, the gas adjustment device is arranged on a door frame, and the driving device and the swing rod are arranged on a door. One end of the swing rod is movably connected with the gas adjustment device while the other end of the swing rod is connected with the driving device. The gas adjustment device comprises a slide rail and a slide structure, the slide structure is matched with the slide rail which is arranged on the door frame, the slide structure and one side of the slide rail form a seal cavity, and the side wall of the seal cavity is provided with an adjustment structure for adjustment of gas discharging volume of the seal cavity. The swing rod is movably arranged on the slide structure, the driving device comprises an accommodation cavity, an elastic part, a roller and a driving part, the elastic part used for energy accumulation is arranged in the accommodation cavity which is formed on the door, the roller is arranged on the door movably, the driving part is used for transmitting energy of the elastic part to the roller, and the swing rod is fixedly connected onto the roller. The speed-adjustable door closer has the advantages of stability in door closing speed, low cost, avoidance of leakage and environment pollution and wide applicability to various doors.
Speed-adjustable door closer
2015-09-16
Patent
Electronic Resource
English
IPC:
E05F
DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION
,
Vorrichtungen zum Bewegen der Flügel in die Offen- oder Schließstellung