Household multifunctional computer sewing machine

The utility model discloses a household multifunctional computer sewing machine which comprises a main body, a double-needle mechanism is arranged on the main body, the double-needle mechanism comprises a needle seat and two needles respectively fixed at the upper end and the lower end of the needle seat, a fixing part corresponding to the needle seat is arranged at the lower end of a needle rod, and a protruding limiting block is arranged on the back face of the needle seat. The front side of the fixing part is provided with a limiting groove corresponding to the limiting block, the fixing part is further connected with a plurality of ejector rods in a telescopic mode, the ejector rods face the back side of the needle base, the needle base is arranged on the front side of the fixing part, and the needle rod is further provided with a receding groove corresponding to the machine needle, and the fixing plate is arranged on the front side of the needle base to limit the needle base. An adjusting bolt is further