Sofa chair with special damping mechanism

The invention relates to the technical field of sofa chairs, in particular to a sofa chair with a special damping mechanism, by arranging a hidden wheel mechanism, when the whole sofa chair needs to be moved, people do not need to carry and move the whole sofa chair, and the use convenience is improved; comprising a sofa body, a sofa seat plate, a backrest and a hidden wheel mechanism, the sofa seat plate is fixedly mounted in the sofa body, the backrest is fixedly connected with the sofa body, and the hidden wheel mechanism is fixedly mounted at the bottom end of the sofa seat plate; the hidden wheel mechanism comprises a motor support, a first motor, a driving wheel, a threaded rod, a driven wheel, a transmission belt, a threaded sleeve, a guide sliding plate and a moving wheel, the motor support is fixedly installed at the bottom end of the sofa seat plate, the first motor is fixedly installed on the motor support, and the input end of the driving wheel is fixedly connected with the output end of the first