Herringbone sewing machine

Abstract

The invention discloses a herringbone sewing machine. The herringbone sewing machine comprises a machine base and a machine head fixed to the machine base, a crank is arranged on the machine head, thetop of the crank is fixedly connected with the machine head, a plug in a sewing machine swing mechanism is pivoted to the middle of the crank, and a handle sleeve is arranged at the tail end of the crank; a herringbone needle bar is movably installed in the handle sleeve; a double needle bar which cannot swing and is provided with two sewing needles are arranged on the machine head is arranged onthe machine head, and the herringbone needle bar and the double needle bar are connected with a transmission device, that is to say, the herringbone needle bar and the double needle bar can do up-and-down motion synchronously. According to the herringbone sewing machine, herringbone stitches can be sewn, two more parallel stitches capable of reinforcing the herringbone stitches are sewn on the herringbone stitches, that is to say, the sewn stitches are quite stable, even through the herringbone stitches loosen, the stitches cannot be torn off from beginning to end, the quality of sewing products is greatly improved, and the stitches are rich in beauty.

Description

Technical field: [0001] The invention relates to the technical field of sewing machines, in particular to a herringbone sewing machine with stable stitches and beautiful appearance. Background technique: [0002] A sewing machine is a machine that uses one or more sewing threads to form one or more stitches on the sewing material to interweave or sew one or more layers of sewing material. The sewing machine can sew fabrics such as cotton, fiber crops, silk, wool, and artificial fibers, and products such as leather, plastics, and paper. [0003] Herringbone sewing machine is generally used for joining fabrics. Its thread routing is herringbone, and it can also sew in a straight line. Traditional herringbone sewing machines generally only have one needle bar, and the needle bar is equipped with a sewing needle. A swinging device and a driving device are generally arranged inside a herringbone sewing machine, and the needle bar is connected with the swinging device and the dr...

AI Technical Summary

Problems solved by technology

Traditional herringbone sewing machines can only sew herringbone stitches. Such stitches are not stable. When the stitches are loose, it is easy to tear off the needle thread from end to end, which greatly reduces the quality of sewing products.

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