Heavy door and window pulley convenient to adjust and slide

• Main Author: LIU ZHAOQUAN
• Format: Patent
• Language: Chinese; English
• Published: 18.01.2022
• Subjects: FIXED CONSTRUCTIONS; HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS; KEYS; LOCKS; SAFES; WINDOW OR DOOR FITTINGS

The utility model belongs to the technical field of heavy door and window pulleys, in particular to a heavy door and window pulley convenient to adjust and slide, which comprises a pulley shell and a connecting shaft, a mounting frame is fixed on the outer side of the pulley shell, a first positioning rod is arranged on the inner wall of the mounting frame, and a second positioning rod is mounted on the outer side of the first positioning rod. A clamping plate is fixed to the end of the second positioning rod, an anti-skid pad is installed on the inner wall of the clamping plate, an ejector rod is fixed to the outer side of the clamping plate, a rotating rod is arranged in the middle of the ejector rod, a clamping block is fixed to the outer side of the rotating rod, a rotary knob is installed at the end of the rotating rod, and the connecting shaft is arranged in the pulley shell. And an extrusion block is installed on the outer side of the connecting shaft, a movable plate is fixed to the end of the extrusi