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Pipe connection structure

A technology of pipe connection and pipe joint, which is applied to cable installation and cable installation in underground pipelines, can solve problems such as poor workability, complicated assembly operations, and cable protection pipe connection obstacles, so as to prevent bad connections and improve work efficiency. Efficiency, effect of simplified structure

Inactive Publication Date: 2014-02-05
TOTAKU IND INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] However, the various components used to carry out such anti-loosening measures and waterproofing measures are independent, and must be installed on the cable protection tube and the duct opening member one by one, so the assembly work of these components is complicated and the workability is poor. The problem that the connection of the cable protection tube is hindered by the wrong assembly position or assembly sequence

Method used

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Embodiment Construction

[0028] side reference attached Figure 1 Embodiments of this invention will be described in detail. figure 1 and figure 2 A pipe connection structure according to one embodiment of the present invention is shown. Reference numeral 1 is a pipe mouth member made of, for example, synthetic resin, which is embedded in the wall of the hand hole 2 in a state penetrating in the horizontal direction. The duct opening member 1 is composed of a cylindrical body 3 and a guide port 4 . On the cylindrical main body 3, its one end side is a small-diameter connection cylinder portion 6 forming a helical protrusion 5 on the outer periphery, and the other end side is a large-diameter connection cylinder portion 8 forming a helical groove 7 on the inner periphery. The cylindrical parts 6 and 8 form a continuous structure along the tube axis direction. As for the guide port 4, in order to facilitate the insertion of the cable into the hand hole 2, the diameter of the leading end is enlarged...

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Abstract

An aim of the invention is to provide a pipe connection structure. When a pipe opening component is connected with a cable protection pipe, the assembling of various components used for actualizing anti-falling stratey and anti-water strategy can be executed simply and reliably. According to the pipe connection structure, one end of pipe joint (20) is connected with a pipe opening component (1). Furthemrore the other end of pipe joint (20) is connected with a cable protection pipe (10) through a functional component (30) which has the anti-falling function and anti-water function. The functional component (30) is provided with an inosculation barrel part (32) which is embedded in the end of protection pipe (10) and embedded in the other end of pipe joint (20) and is integratedly formed with the inosculation barrel part (32) and prevents the falling-off of protection pipe (10) from the pipe joint (20), and an anti-water component (34) which is installed in the inosculation barrel part (32) and has an anti-water function for the connecting part.

Description

technical field [0001] The present invention relates to a pipe connection structure for connecting a cable protection pipe for protecting cables such as electric wires and optical cables buried underground with a pipe mouth member buried in hand holes, manholes, and the like. Background technique [0002] Usually, the cable protection tubes for protecting cables such as electric wires and optical cables buried in the ground are mostly long objects, which are rolled into a cylindrical shape before construction and have a coiling defect. As a connection structure for connecting such a cable protection tube to a duct opening member buried in a hand hole, a manhole, etc., a connection structure in which the end of the cable protection tube can be inserted and connected in the direction of the tube axis is well known. . In this case, as when screwing the end of the cable protection tube, it is not necessary to forcibly maintain the cable protection tube with a winding defect in ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02G9/06
Inventor 菊森康博波谷浩司藤井晓宏饭田尚孝
Owner TOTAKU IND INC
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