Resistance-free spring door device

Resistance-free spring door device

The utility model relates to a resistance-free swing door device, which is mounted on a door leaf to realize resistance-free opening and closing of the door leaf, and comprises a fixture mounted on the door leaf, and the fixture is provided with a first surface plate and a second surface plate which...

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Hauptverfasser: ZHAO PENGFEI, GONG NINGNING, HAN XIWEI, CHEN BAJIN
Format: Patent
Sprache:chi ; eng
Schlagworte:
BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS ORWINDOWS
FIXED CONSTRUCTIONS
KEYS
LOCKS
SAFES
WINDOW OR DOOR FITTINGS
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creator ZHAO PENGFEI
GONG NINGNING
HAN XIWEI
CHEN BAJIN
description The utility model relates to a resistance-free swing door device, which is mounted on a door leaf to realize resistance-free opening and closing of the door leaf, and comprises a fixture mounted on the door leaf, and the fixture is provided with a first surface plate and a second surface plate which are oppositely arranged; the vertical rod is arranged between the first surface plate and the second surface plate in a penetrating mode, and a stop block fixedly arranged on the vertical rod is attached to the side, close to the second surface plate, of the first surface plate; a spring sleeved on the vertical rod is positioned between the first surface plate and the second surface plate; one end of the spring is in contact with the stop block; rollers are mounted at the bottoms of the vertical rods, and when the door leaf is in a closed state, the rollers are clamped into grooves formed in the ground. The utility model has the advantages that the pulley, the vertical rod and the spring sleeved on the vertical ro
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language chi ; eng
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subjects BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS ORWINDOWS
FIXED CONSTRUCTIONS
KEYS
LOCKS
SAFES
WINDOW OR DOOR FITTINGS
title Resistance-free spring door device
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