Sewing machine and variable-needle-pitch mechanism thereof

A sewing machine and variable technology, applied in sewing machine components, sewing machine control devices, cloth feeding mechanisms, etc., can solve the problems of complex structure and unstable transmission, and achieve the effects of simple structure, improved stability and reduced vibration

Inactive Publication Date: 2018-08-28
ZHEJIANG MAQI SEWING MACHINE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the disadvantages of complex structure and unstable transmission in the prior art, the present invention provides a sewing machine with simple structure and stable transmission and its variable needle distance mechanism

Method used

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  • Sewing machine and variable-needle-pitch mechanism thereof
  • Sewing machine and variable-needle-pitch mechanism thereof
  • Sewing machine and variable-needle-pitch mechanism thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Variable stitch length mechanism of sewing machine, such as Figure 1 to Figure 7 As shown, it includes a driver 3, an automatic reverse feed connecting rod 7, and a swing plate seat 2. The driver 3 is provided with a movable part 5 fixedly connected to the driver 3. One end of the automatic reverse feed connecting rod 7 is connected with the movable part 5, and the automatic reverse feed The other end of the feeding connecting rod 7 is hinged with the swing plate base 2, and the other end of the automatic reverse feeding connecting rod 7 rotates relative to the swing plate base 2, and the driver 3 drives the automatic reverse feeding connecting rod 7 to move through the movable part 5. The driver 3 is a linear drive device such as an electromagnet or a cylinder. The action of the driver 3 drives the movable part 5 to move, and the movable part 5 drives the automatic reverse feeding rod 7 to move a certain distance, and at the same time, the automatic reverse feeding rod...

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PUM

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Abstract

The invention relates to the technical field of sewing equipment and discloses a sewing machine and a variable-needle-pitch mechanism thereof. The sewing machine comprises a driver (3), an automatic discharging and conveying connection rod (7) and a swing plate base (2). A movable part (5) connected with the driver (3) is arranged on the driver (3), one end of the automatic discharging and conveying connection rod (7) is connected with the movable part (5), and the other end of the automatic discharging and conveying connection rod (7) is connected with the swing plate base (2); the other endof the automatic discharging and conveying connection rod (7) and the swing plate base (2) relatively rotate, and the driver (3) drives the automatic discharging and conveying connection rod (7) to move through the movable part (5). According to the sewing machine, the movable part is driven to move through motion of the driver, the movable part drives the automatic discharging and conveying connection rod to move by a certain distance, the swing plate base is driven by the automatic discharging and conveying connection rod to swing by a certain angle at the same time, variable-needle-pitch sewing of a segment of required distance or stitch number can be conducted during sewing, and accordingly the needle pitch is changed.

Description

technical field [0001] The invention relates to the technical field of sewing equipment, in particular to a sewing machine and a variable needle distance mechanism thereof. Background technique [0002] Under the current situation, when the lockstitch sewing machine is sewing, the stitch length is fixed and cannot be changed. If the stitch length needs to be changed, the stitch length adjustment device can only be adjusted to change the stitch length when sewing is stopped. [0003] And prior art, as the sealing device among the patent CN106835531A comprises connecting rod one, and connecting rod one is connected on the casing bottom plate in rotation, and one end of connecting rod one is connected with the movable part of driver one, and the other end is connected with driver three. The movable part is connected, and the movable part of the driver 3 is also connected with the connecting rod 2. The driver 1 drives the connecting rod 1 to rotate and then drives the connecting...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D05B27/22D05B69/02
CPCD05B27/22D05B69/02
Inventor 何清颜慧军
Owner ZHEJIANG MAQI SEWING MACHINE
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