Curtain pull bead generally refers to the operation system of curtain pull by bead chain, which is referred to as curtain pull bead. The common curtain pull bead has the pull bead roller shutter, the pull bead blind, the pull bead cloth curtain and so on. Curtain pull bead is composed of shaft wheel, bead wheel, torsion spring, reel, support plate and other accessories.

 

 

When operating the curtain mechanism, pull the pull bead to drive the bead wheel to rotate. At this time, the tension in the direction of loosening the torsion spring makes the shaft wheel rotate along the reel and drive the rolling tube to rotate together with the support plate to make the rolling curtain fabric move up and down. Curtain beads are one of the most common curtains in the office.