Limiting mechanism and door opener

• Main Authors: MAO XIAOMING, WANG JIE, SHI MINQIANG, LU XINTAO
• Format: Patent
• Language: Chinese; English
• Published: 20.12.2022
• Subjects: CHECKS FOR WINGS; DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; FIXED CONSTRUCTIONS; KEYS; LOCKS; SAFES; WINDOW OR DOOR FITTINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING

The limiting mechanism comprises a base, a limiting switch, a rack and a positioning plate, the limiting switch is installed at the upper end of the base through a first supporting frame, a driving gear is arranged at the front end of the base, the rack is matched with the driving gear, the positioning plate is installed at the rear end of the rack, and the limiting switch is installed at the upper end of the positioning plate. A positioning part which is bent forwards is arranged at the right end of the positioning plate, and the positioning plate is matched with the limiting switch. According to the limiting mechanism and the door opener provided by the utility model, the limiting mechanism only needs the positioning plate and the limiting switch to position the door opening position, and the limiting switch is used for positioning, so that the accuracy can be ensured; the door opener can directly drive the rack to move by a set distance through the control panel without additionally arranging a door closin