Low-noise efficient household sewing machine

The low-noise efficient household sewing machine comprises a main body, a lubricating oil storage box is fixed to a rack of the main body through a damping frame, sliding rails are arranged on the two sides of the front face of the damping frame respectively, a sliding block is connected to each sliding rail in a sliding mode, and an arc-shaped guide groove is further formed in the front face of the damping frame. A hydraulic shock absorber is fixed to the upper end of the guide groove, a guide piece is slidably connected to the portion, below the hydraulic shock absorber, of the guide groove, a piston rod of the hydraulic shock absorber is connected with the guide piece, a spring is further connected between the hydraulic shock absorber and the guide piece, and a connecting part is fixed to the bottom of the guide piece. The two sides of the lubricating oil storage box are fixed to the two sliding blocks respectively, the back face of the lubricating oil storage box is further fixed to the connecting part, t