Steel disc type half-opening and closing device for door

• Main Authors: ZHANG XIAOMING, LI HAIYAN, ZHENG QIANGSHENG
• Format: Patent
• Language: Chinese; English
• Published: 02.06.2020
• Subjects: BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS ORWINDOWS; FIXED CONSTRUCTIONS; KEYS; LOCKS; SAFES; WINDOW OR DOOR FITTINGS

The invention discloses a steel disc type half-opening and closing device for a door. The steel disc type half-opening and closing device for the door comprises a fixed plate and a movable steel disc,wherein one end of the fixed plate is fixed to a wall on the back of the door; the other end of the fixed plate is articulated with the movable steel disc through a rotating shaft vertically arranged; the end, far away from the fixed plate, of the movable steel disc is set as a contact part; an adjusting device for adjusting the angle of the movable steel disc is arranged on the upper end of therotating shaft; and the movable steel disc is elastic. The steel disc type half-opening and closing device for the door can effectively prevent the door from being fully opened, can adjust the angle at which the door can be opened as needed, and has no need for performing drilling and other installation on the door to avoid the damage to the door. 本发明公开了钢片式门半开合装置，包括有固定板和活动钢片，固定板的一端固定在门背面的墙上，另一端通过竖直设置的转轴与活动钢片铰接，活动钢片上远离固定板的一