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Sewing machine frame and sewing machine pressor foot lifting device thereof

A presser foot lifter and sewing machine technology, applied in the direction of sewing machine control devices, sewing machine components, sewing equipment, etc., can solve the problems of complex presser foot lifter structure, inaccurate height setting, etc., and achieve compact structure, simple structure, and low cost Effect

Inactive Publication Date: 2014-08-13
阮孟定
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, the structure of the presser foot lifter is relatively complicated, and the height setting is inaccurate

Method used

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  • Sewing machine frame and sewing machine pressor foot lifting device thereof
  • Sewing machine frame and sewing machine pressor foot lifting device thereof
  • Sewing machine frame and sewing machine pressor foot lifting device thereof

Examples

Experimental program
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Embodiment Construction

[0031] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0032] In the figure, a sewing machine presser foot lifting device includes a frame 5, a presser foot assembly 4, a presser foot lifting crank 6, a presser foot lifting connecting rod 7, and a presser foot lifting push rod 8. In the present invention, the presser foot assembly 4, lifting foot Presser foot connecting rod 7, presser foot lifting push rod 8, electromagnet crank 2 are all known structures and technologies.

[0033] Frame 5 among the present invention (as Figure 5 As shown) adopts a unique structure, including the frame body, the frame body is divided into a beam 5-1 and a vertical beam 5-2, the inside of the beam and the vertical beam is a hollow structure, close to the end of the presser foot assembly, at one end of the beam Groove 5-3 is provided, and electromagnet can be placed in the groove, and outer cover can be arranged on the outside of electro...

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Abstract

The invention relates to a sewing machine pressor foot lifting device, which comprises a machine frame, a pressor foot assembly, a pressor foot lifting crank, a pressor foot lifting connecting rod and a pressor foot lifting propping rod, wherein the pressor foot lifting crank is arranged on the machine frame, the sewing machine pressor foot lifting device also comprises an electromagnet and an electromagnet crank, the electromagnet is arranged on the machine frame, an iron core is arranged in the electromagnet, an electromagnet pull rod is connected onto the iron core, two ends of the electromagnet pull rod are respectively connected with the electromagnet pull rod and the electromagnet crank, a groove is formed in the machine frame, and the electromagnet is placed in the groove. Compared with several pressor foot lifting schemes in the market in the prior art, a system provided by the invention has various advantages that the structure is simple, the cost is low, the appearance is attractive, compactness is realized, users can adjust the pressor foot position, and the like.

Description

technical field [0001] The invention relates to a sewing machine frame and a sewing machine presser foot lifting device thereof. Background technique [0002] In the prior art, the structure of the presser foot lifter is relatively complicated, and the height setting is inaccurate. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a sewing machine frame with a simple structure and a sewing machine presser foot lifting device. The technical scheme for realizing the above-mentioned purpose is as follows: [0004] A sewing machine frame, including a frame body, the frame body is divided into a beam and a vertical beam, the beam and the vertical beam are hollow structures inside, and the feature is that a groove is arranged at one end of the beam near the end of the presser foot assembly . [0005] Preferably, a cover is provided on the outside of the groove, and the cover is connected with the frame. [0006] A se...

Claims

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Application Information

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IPC IPC(8): D05B75/00D05B29/02D05B69/10
Inventor 阮孟定
Owner 阮孟定
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