Imitative small size tensioning regulating mechanism of numb sofa (window) curtain surface fabric

The utility model provides an imitative small size tensioning regulating mechanism of numb sofa (window) curtain surface fabric, including pay -off subassembly, support, transmission assembly and tensioning assembly, transmission assembly sets up on the support, and transmission assembly includes upper portion transmission and lower part transmission, upper portion transmission and lower part transmission along the crisscross setting of horizontal direction, tensioning assembly sets up on the support, and tensioning assembly is including setting up tensioning driving piece on the support, setting up the regulating part that the other end and leg joint are connected to movable support and one end and tensioning driving piece of trembling on the tensioning driving piece, tremble movable support through going up to set up in lower part transmission, tremble movable support through the drive of tensioning driving piece and drive the lower part transmission and realize the upper and lower shake in the cloth transm