Pipe assembly with anti-disengagement sealing structure

A sealing structure and anti-loosening technology, applied in the direction of pipe/pipe joint/pipe fitting, passing element, sleeve/socket connection, etc., can solve the problems of poor sealing effect, high engineering cost, and pipe detachment, etc., to achieve enhanced sealing Effect, long service life, fixed and firm effect

Pending Publication Date: 2019-12-17
KANGMINGYUAN GUIZHOU SCI & TECH DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this connection method, due to the elasticity of the sealing ring, the sealing ring will drive the axial rebound of the pipe after insertion, which will make the sealing effect worse. In addition, due to geological subsidence in the later stage, it will generate tension on the pipe and make the pipe disengage.
The flange connection method requires many connection parts such as flanges and bolt assemblies, which is troublesome to install and high in engineering cost.

Method used

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  • Pipe assembly with anti-disengagement sealing structure
  • Pipe assembly with anti-disengagement sealing structure
  • Pipe assembly with anti-disengagement sealing structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Such as Figure 1-5 As shown, a pipe assembly with an anti-off sealing structure is characterized in that: it includes at least two pipes 1; one end port of one pipe 1 is fixedly connected with a tubular socket section 2, and the other pipe 1 A tubular socket section 3 for matching with the socket section 2 is fixedly connected to the port at one end, and the pipe assembly with an anti-off sealing structure also includes the outer peripheral wall of the socket section 2 and the inner peripheral wall of the socket section 3 between the sealing ring 4 and the anti-off piece 5;

[0039] The outer peripheral wall of the socket section 2 is provided with a sealing ring installation groove 21 for installing the sealing ring 4 and an anti-off part installation groove 22 for installing the anti-off part 5 arranged around the outer peripheral wall, and the sealing ring installation groove The groove 21 is located close to the outer port of the socket section 2, and the anti-loo...

Embodiment 2

[0050] Such as Figure 5 As shown, the difference between the present embodiment and the first embodiment is that, preferably, the sealing ring 4 is provided with grooves 41 on both end faces in the axial direction and on the outer peripheral wall. After the groove 41 is provided, the deformation of the sealing ring 4 is larger, and the size of the sealing ring 4 can be enlarged in advance, and the fit is tighter after pressing, and the sealing effect is better.

Embodiment 3

[0052] Such as Figure 6 As shown, the difference between this embodiment and Embodiment 1 is: preferably, the inner peripheral wall of the sealing receiving section 32 is connected to the first conical sealing section 321 and the conical sealing section 321 The second tapered sealing section 322 between the resisting walls 341 is connected, and the taper of the first tapered sealing section 321 is smaller than that of the second tapered sealing section 322 .

[0053] Preferably, the socket section 3 further includes an annular protection tube 35 connected to the axially outer side of the clamping section 33 , and the diameter of the inner wall of the annular protection tube 35 is larger than the outer diameter of the peak of the pipe 1 .

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PUM

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Abstract

The invention relates to a pipe assembly with an anti-disengagement sealing structure. The pipe assembly comprises at least two pipes. A pipe-shaped insertion opening section is connected to one end of one pipe, a pipe-shaped bearing opening section is connected to one end of the other pipe, and the pipe assembly with the anti-disengagement sealing structure further comprises a sealing ring and ananti-disengagement part. The outer circumferential wall of the insertion opening section is provided with a sealing ring installation groove and an anti-disengagement part installation groove. The bearing opening section comprises a clamping section, a sealing bearing section and a jointing section. A first conical sealing section is arranged on the inner circumferential wall of the sealing bearing section, a limiting clamping groove is formed in the sealing bearing section, and the anti-disengagement part comprises an anti-disengagement body and an elastic anti-disengagement body. By means of the pipe assembly, the sealing bearing section is tightly matched with the sealing ring, the anti-disengagement part is automatically ejected and pressed in the limiting clamping groove between thesealing bearing section and the clamping section through the elastic anti-disengagement body arranged on the outer circumferential part, the sealing ring is effectively prevented from driving the pipes to axially rebound, installation is convenient, in addition, the sealing effect is ensured, disengagement cannot happen even if later-period geological sedimentation happens, and the service life islong.

Description

technical field [0001] The invention relates to the field of pipe sealing, in particular to a pipe assembly with an anti-off sealing structure. Background technique [0002] Bellows are widely used in the field of drainage due to their good compression resistance, low engineering cost, light weight, and quick and convenient construction. For the convenience of transportation, the length of each section of bellows cannot be made too long, and they are all connected when they are transported to the construction site for installation. The connection mode of the existing bellows is generally a plug-in type or a flange connection type. The plug-in connection method is: install a rubber sealing ring at the second trough of the socket end and apply lubricant, then directly insert the socket, and pay attention to the socket should be against the direction of water flow, and the socket should follow the direction of water flow. In this connection method, due to the elasticity of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L21/035F16L21/06
CPCF16L21/035F16L21/065
Inventor 周成立林明华黄鑫
Owner KANGMINGYUAN GUIZHOU SCI & TECH DEV CO LTD
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