Double stitching needle and thread presser foot device for crank arm type sewing machine

A sewing machine and articulating arm technology, which is applied in the field of double-thread splicing needle thread presser device for articulating arm sewing machines, can solve the problems of product humanization limitations, monotonous color matching, etc., and achieve the effect of convenient operation and saving transformation costs

Inactive Publication Date: 2020-01-03
赵玉荣
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is relatively monotonous in color matching, and monochrome stitches have limitations on product development and humanization of products

Method used

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  • Double stitching needle and thread presser foot device for crank arm type sewing machine
  • Double stitching needle and thread presser foot device for crank arm type sewing machine
  • Double stitching needle and thread presser foot device for crank arm type sewing machine

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Embodiment Construction

[0028] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a s...

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PUM

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Abstract

A double stitching needle and thread presser foot device for a crank arm type sewing machine comprises a single cut presser foot and a mesh pattern hook drive sector piece. A presser foot push rod ofa sewing machine head penetrates the single cut presser foot and the mesh pattern hook drive sector piece, a right mesh pattern long curved needle fixing sleeve and a right mesh pattern short curved needle fixing sleeve are arranged on two sides of a presser foot push rod through hole of the single cut presser foot, a left mesh pattern frame fixing cylinder is arranged at the edge of the upper endof a presser foot push rod through hole of the mesh pattern hook drive sector piece, a rotating shaft of a right mesh pattern long curved hook drive rod vertically penetrates the right mesh pattern long curved needle fixing sleeve, a right mesh pattern long curved hook with a hook body wound on the right side is fixed to the lower end of the right mesh pattern long curved hook drive rod, a horizontal portion of the right mesh pattern long curved hook drive rod is rotatably connected with the left side of the mesh pattern hook drive sector piece through a right mesh pattern long curved hook drive connecting rod, and a rotating shaft of a right mesh pattern short curved hook drive rod vertically penetrates the right mesh pattern short curved needle fixing sleeve. Two parallel stitches can be simultaneously sewn, and individuation of products and beauty of seam lines can be more effectively embodied.

Description

technical field [0001] The invention relates to a sewing machine part, in particular to a double-thread splicing needle and thread presser device for a crank arm type sewing machine. Background technique [0002] In recent years, with the continuous development of the domestic garment industry, the sewing equipment industry has also been continuously upgraded, and various types of sewing equipment have also emerged. All kinds of auxiliary parts are also indispensable in sewing equipment. Among them, presser foot auxiliary parts are an indispensable part in the feeding mechanism of sewing equipment. Its function is to press or clamp the sewing material to make the machine feed reliably. To ensure the smooth formation of the thread loop of the needle thread and the function of being reliably hooked by the thread catcher. For example, the Xingrui brand curved arm four-needle six-thread patchwork sewing machine (model FW-740TB) commonly used at present has the following main ad...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D05B1/08D05B57/00
CPCD05B1/08D05B57/00
Inventor 赵玉荣
Owner 赵玉荣
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