Electric sofa stretching device

The invention is applicable to the technical field of sofas, and provides an electric sofa stretching device which comprises a base mechanism; the seat mechanism is rotationally connected to the base mechanism; the two sets of leg support mechanisms are oppositely arranged and rotationally connected to the two sides of the seat mechanism, and the two sets of leg support mechanisms are connected through a leg driving connecting rod; the two backrest mechanisms are oppositely arranged and fixedly mounted on the two sides of the seat mechanism; the first electric push rod is used for driving the seat mechanism to rotate; the second electric push rod is used for driving the leg support structure to be unfolded and folded; wherein through the synergistic effect of the first electric push rod and the second electric push rod, the electric sofa stretching device is in different states to meet different user requirements. The electric stretching device provided by the invention is simple and compact in structure, con