A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Door closer suitable for normally-open fireproof door
According to the door closer suitable for the normally-open fireproof door, the door closer outer main body, the rotating tooth block and the normally-open fixing assembly are provided, through the structural design of the normally-open fixing assembly, the normally-open fireproof door can be normally opened at any angle of 180 degrees, and the door closer has the function of fixing the door when the door is opened to any position; the problems that the opening angle of an existing door closer is limited, and the position cannot be fixed are solved, and use convenience is improved.
本发明提供了一种适用于常开防火门的闭门器，闭门器外主体、转动齿块和常开固定组件，通过对常开固定组件的结构设计，实现了可将常开防火门开启180度的任意角度的常开，具有对门开启到任意位置进行固定的功能，解决了现有的闭门器开启角度受限并无法做到位置固定的问题，提高了使用便捷性。
Door closer suitable for normally-open fireproof door
According to the door closer suitable for the normally-open fireproof door, the door closer outer main body, the rotating tooth block and the normally-open fixing assembly are provided, through the structural design of the normally-open fixing assembly, the normally-open fireproof door can be normally opened at any angle of 180 degrees, and the door closer has the function of fixing the door when the door is opened to any position; the problems that the opening angle of an existing door closer is limited, and the position cannot be fixed are solved, and use convenience is improved.
本发明提供了一种适用于常开防火门的闭门器，闭门器外主体、转动齿块和常开固定组件，通过对常开固定组件的结构设计，实现了可将常开防火门开启180度的任意角度的常开，具有对门开启到任意位置进行固定的功能，解决了现有的闭门器开启角度受限并无法做到位置固定的问题，提高了使用便捷性。
Door closer suitable for normally-open fireproof door
适用于常开防火门的闭门器
WANG XIAOYAN (author) / ZHANG ZHIYI (author) / XIE JINYUAN (author) / XU CHENGCHAO (author) / CAI JUNJUN (author) / LONG FENG (author) / WANG QI (author) / LI HAO (author)
2024-12-06
Patent
Electronic Resource
Chinese
Normally-open fireproof door self-locking door closer with control device
| European Patent Office | 2021