A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention discloses a floor spring for door opening delaying. The floor spring for door opening delaying comprises a shell and a buffering device. The buffering device is arranged in the shell. The buffering device comprises a first piston. A first oil cavity and a second oil cavity are arranged in the shell and located on the two sides of the buffering device respectively. The shell is provided with a main oil path. The first oil cavity and the second oil cavity are communicated through the main oil path. A regulating valve is arranged on the main oil path. The first piston is provided with a controllable side oil path, and the controllable side oil path is communicated with the main oil path. During door opening, hydraulic oil flows into the first oil cavity from the second oil cavity through the controllable side oil path; the regulating valve is arranged on the main oil path and the controllable side oil path is arranged on the first piston so that the flowing speed of the hydraulic oil flowing to the controllable side oil path can be regulated and controlled through the regulating valve, and accordingly the flowing speed of the hydraulic oil flowing into the two oil cavities is controlled, the resistance is increased within a certain angle range during door opening, then door opening delaying is achieved, and a door is prevented from colliding with an interference object when the door is opened.
The invention discloses a floor spring for door opening delaying. The floor spring for door opening delaying comprises a shell and a buffering device. The buffering device is arranged in the shell. The buffering device comprises a first piston. A first oil cavity and a second oil cavity are arranged in the shell and located on the two sides of the buffering device respectively. The shell is provided with a main oil path. The first oil cavity and the second oil cavity are communicated through the main oil path. A regulating valve is arranged on the main oil path. The first piston is provided with a controllable side oil path, and the controllable side oil path is communicated with the main oil path. During door opening, hydraulic oil flows into the first oil cavity from the second oil cavity through the controllable side oil path; the regulating valve is arranged on the main oil path and the controllable side oil path is arranged on the first piston so that the flowing speed of the hydraulic oil flowing to the controllable side oil path can be regulated and controlled through the regulating valve, and accordingly the flowing speed of the hydraulic oil flowing into the two oil cavities is controlled, the resistance is increased within a certain angle range during door opening, then door opening delaying is achieved, and a door is prevented from colliding with an interference object when the door is opened.
Floor spring for door opening delaying
XU WENCAI (author)
2015-11-04
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
Internet-of-Things floor spring capable of automatically controlling opening and closing of door
| European Patent Office | 2020
Floor spring with door opening and closing strength adjusting and multi-point positioning functions
| European Patent Office | 2015