Electric curtain capable of adjusting light transmittance

The utility model discloses an electric curtain with adjustable light transmittance, which comprises a cross beam and a buffer component, a movable groove is arranged in the cross beam, a first screw is arranged in the movable groove, and the buffer component used for reducing impact force is mounted outside the first screw. The buffering assembly comprises a threaded sleeve, a first support, a round hole, a buffering groove, a spring, a buffering plate and a soft rubber mat, the first support is vertically installed at the bottom of the threaded sleeve, the round hole is formed in the bottom of the first support, the buffering groove is formed in the left end of the first support, the spring is installed in the buffering groove, and the buffering plate is installed at the left end of the spring. According to the electric curtain capable of adjusting the light transmittance, the multiple assemblies are arranged in a matched mode, the running first support can be buffered, the service life is prolonged, meanwh