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High-density polyethylene steel reinforced winded pipe spigot-and-socket connector

A high-density polyethylene and connecting device technology, which is applied in the direction of pipeline connection arrangement, pipe/pipe joint/pipe fitting, mechanical equipment, etc. The effect of welding stability

Inactive Publication Date: 2005-05-11
HANGZHOU YISHIDA IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] (1) High requirements for manual operation;
[0005] (2) The welding surface of the pipe end must be kept dry, and it is not suitable for operation in rainy days or high humidity environments;
[0011] (1) During the connection construction, a large working space is required at the connection;
[0012] (2) High requirements for manual operation;
[0013] (3) The welding surface of the heat shrinkable sleeve (belt) at the pipe end must be dry, and it is not suitable for operation in rainy days or high humidity environments;

Method used

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  • High-density polyethylene steel reinforced winded pipe spigot-and-socket connector
  • High-density polyethylene steel reinforced winded pipe spigot-and-socket connector
  • High-density polyethylene steel reinforced winded pipe spigot-and-socket connector

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0048] Example 2: Please refer to Figure 7 Connecting socket (b): In this embodiment, when the connecting socket 2 is inserted in place, the inner wall of the connecting socket 3 corresponding to the groove 2-2 opens an outer convex groove 3-3, and the outer wall has an outer convex rib 3-2 On the one hand, the protruding ribs can enhance the ring stiffness of the connecting socket 3, and on the other hand, it can position the FRP casing 4 fixed on the outer periphery. The schematic diagram of the socket assembly section (2) please refer to Figure 8 Shown, all the other implementation methods are identical with example 1.

Embodiment 3

[0049] Embodiment 3: This embodiment only changes the structure of the rubber sealing ring 5 in Embodiment 2, and the Figure 6 The shown "O" type sealing ring 5 is changed to Figure 9 shown (Rectangular section) type rubber sealing ring 5-1, all the other implementation methods are the same as example 2.

Embodiment 4

[0050]Example 4: Please refer to Figure 10 Schematic diagram of socket assembly section (3): In this embodiment, on the basis of Example 2, a small air hole 8 is opened on the connection socket between the two rubber rings. After the socketing is completed, it can be inflated, and the air tightness test can be carried out. After the specified requirements are met, the small hole can be blocked with a polyethylene rod.

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Abstract

A plug-socket connector for the steel wire reinforced high-density polyethene pipes is composed of plug-type connection pipe welded to the end of one steel wire reinforced high-density polyethene pipe, a sealing ring for said plug-type connection pipe, a socket-type connection pipe welded to the end of another polyethene pipe, and a reinforcing sleeve pipe for said socket-type connection pipe. Its advantages are high connection strength and high sealing effect.

Description

technical field [0001] The invention relates to a high-density polyethylene steel reinforced winding pipe socket connection device, especially suitable for rainy days and high humidity environments, when it is not suitable or inconvenient to use electricity or fire, the high-density polyethylene steel reinforced winding pipe connection device . Background technique [0002] High-density polyethylene steel reinforced winding pipe is a newly developed drainage and sewage new structural pipe in China. In addition to the advantages of other high-density polyethylene structural wall pipes, this kind of pipe also shows the advantage of high ring stiffness. Therefore, it has a strong market potential. There are currently several ways to connect such pipes as follows: [0003] 1. Hand-held welding torch welding: adjust the two butt-connected pipes to the design elevation, keep a gap of less than 8mm at the butt joint, and then use a hand-held polyethylene welding torch to weld the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L47/08
Inventor 丁永明何军
Owner HANGZHOU YISHIDA IND
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