Hollow tube joint structure of sewing machine

A joint structure, hollow tube technology, applied in the field of sewing machines, can solve the problems of abnormal operation of the mechanism, increased maintenance cost, vibration, etc.

Active Publication Date: 2019-08-06
曾贤长
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] First, the diameter of the hollow tubes used in general sewing machines is very small, and the welding operation is difficult, time-consuming and laborious, and the incomplete welding is likely to cause the gas in the tube to leak out, causing the mechanism to malfunction
[0004] Furthermore, the sewing machine will generate high-frequency vibrations during operation, which will easily cause the solder at the welding part of the hollow tube to fall off after a long time, resulting in increased maintenance costs

Method used

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  • Hollow tube joint structure of sewing machine
  • Hollow tube joint structure of sewing machine
  • Hollow tube joint structure of sewing machine

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Embodiment Construction

[0060] The first embodiment of the hollow tube joint structure of the sewing machine of the present invention is as figure 1 , 2 shown, including:

[0061] A first hollow tube 10 has a first through hole 11, the outer surface of the first hollow tube 10 is defined as a first tube surface 12, and the diameter length of the first hollow tube 10 is defined as a first Outer diameter Do1;

[0062] A second hollow tube 20 has a second through hole 21, and the second through hole 21 has a first hole segment 211 and a second hole segment 212 connected thereto. The first hollow tube 10 is inserted into the In the first hole section 211, the first through hole 11 and the second through hole 21 are communicated to define the outer surface of the second hollow tube 20 as a second tube surface 22, defining the second hollow tube 20 The diameter length of the second hole section 211 is a second outer diameter length Do2, the diameter length of the first hole section 211 is a first inner ...

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PUM

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Abstract

The invention provides a hollow tube joint structure of a sewing machine. The structure comprises a first hollow tube, a second hollow tube and an elastic piece; the elastic piece is arranged outsidethe first hollow tube and the second hollow tube in a sleeving mode and elastically tightened on the surface of the first hollow tube and the surface of the second hollow tube, so that the first hollow tube and the second hollow tube abut against each other, and the purposes that the hollow tube fittings are easy and rapid to assemble and do not need to be frequently maintained are achieved.

Description

technical field [0001] The invention relates to a sewing machine, in particular to a hollow tube joining structure of the sewing machine. Background technique [0002] The sewing machine is a product with a rather complicated mechanism, which has a hollow conduit for air supply, and a general hollow conduit is formed by butting two hollow pipe sections, wherein the aforementioned two pipe sections are butted by welding. However, the aforementioned welding The method has many inconveniences, which are detailed as follows: [0003] First, the diameter of the hollow tube used in general sewing machines is very small, and the welding operation is difficult, time-consuming and laborious, and it is easy to cause the gas in the tube to leak due to incomplete welding, causing the mechanism to malfunction. [0004] Furthermore, the sewing machine will generate high-frequency vibrations during operation, which will easily cause the solder at the welding part of the hollow tube to fal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L37/22
CPCF16L37/22
Inventor 曾贤长
Owner 曾贤长
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