WINDOW BLIND AND LIFT CONTROL MODULE OF COVERING STRUCTURE THEREOF

摘要

A lift control module of a covering structure of a window blind is provided, which is received inside a headrail of the window blind to drive at least one lifting cord to lift or lower a bottom rail. The lift control module includes an output shaft and at least one rotation shaft, which are arranged along different axes. The lift control module is compatible with various kinds of window blinds, for different requirements may be satisfied by controlling the reeling of the at least one lifting cord through one or two rotation shafts.

主权项

1. A lift control module of a covering structure of a window blind, wherein the window blind comprises a headrail to receive the lift control module therein, at least one lifting cord to be reeled in or out by the lift control module, and a bottom rail to be lifted or lowered by the at least one lifting cord, comprising:
a first lift drum connected to an end of the at least one lifting cord; a second lift drum connected to another end of the at least one lifting cord; a first rotation shaft connected to the first lift drum; and a second rotation shaft connected to the second lift drum; wherein the first lift drum and the second lift drum are parallel to each other, and the first rotation shaft and the second rotation shaft are parallel to each other; the first lift drum and the second lift drum are drivable by the first rotation shaft and the second rotation shaft respectively to rotate in the same direction synchronously.