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Anti-blocking pipe joint

A pipe joint, anti-blocking technology, applied in the direction of electrical components, etc.

Inactive Publication Date: 2010-02-17
许军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the line pipe is inserted into the pipe joint, a certain gap is often left between the top of the pipe joint and the lower edge of the inner ring of the pipe joint.

Method used

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Experimental program
Comparison scheme
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Embodiment Construction

[0015] The technical features and beneficial effects of the present invention will be described in detail below with reference to the embodiments of the accompanying drawings.

[0016] figure 2 shows a common conduit threader 5 in figure 1 Frequently encountered problems when navigating through the fittings shown. Since there is often a certain gap between the lower edge of the inner ring 1 of the pipe joint and the wire pipe 4 during engineering construction, the volume of the head of the existing common wire pipe threader 5, that is, the threader head 6, smaller. This just causes threader head 6 to get stuck in the gap and cannot pass through. In fact, the threader 5 has a certain degree of elasticity, and in engineering, there is usually a bend of at least 90° at a distance of 30-50 cm from the pipe joint, which makes the threader 5 still have a certain degree of flexibility when reaching the pipe joint. Obvious lateral bending force exists, and the threader head 6 wil...

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PUM

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Abstract

The invention relates to a cable pipe fitting used in building decoration, in particular to an anti-blocking pipe joint which can prevent a common cable threading apparatus from being blocked at an output of a cable pipeline. Part of the shape construction which causes influences on the smooth passing-through of the threading apparatus in an inner cavity of the pipe joint is improved so that the threading apparatus can easily walk out of the pipe joint. The anti-blocking pipe joint comprises a pipe joint inner ring and a pipe joint outer ring combined together through mutually matched threadsin mounting use, and is characterized in that the lower edge of the pipe joint inner ring is provided with an annular linear or arc line shaped bevel angle. When the threading apparatus reaches a gapbetween the top of a line pipe and the lower edge of the pipe joint inner ring, the threading apparatus can pass through easily due to the existence of the annular bevel angle.

Description

technical field [0001] The invention relates to a cable pipe fitting used in building decoration, in particular to an anti-blocking pipe joint capable of preventing a common cable threader from being stuck at the outlet of a cable pipe. Background technique [0002] The appearance of the pipe joint of the traditional cable PVC pipe is as follows: figure 1 as shown, figure 2 It is a problem often encountered when the threader passes through this kind of pipe joint. The fittings are shown in radial cross-section, which gives a good indication of how the threader will look as it travels inside. The pipe joint is divided into two parts: the inner ring and the outer ring, which are combined through mutually matched threads during installation and use. However, when the line pipe is inserted into the pipe joint, a certain gap is often left between its top and the lower edge of the inner ring of the pipe joint. When the threader reaches this gap, it is easy to get stuck here. ...

Claims

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Application Information

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IPC IPC(8): H02G3/06
Inventor 许军
Owner 许军