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Reverse triangular double-ring pipe clamping piece connecting structure

A connection structure and triangular ring technology, which is applied in the field of clamping pipe fittings, can solve the problems of easy falling off of supporting pipes, short service life, no pressure resistance, etc., and achieve the effect of convenient locking of supporting pipes, good mechanical properties and long service life

Active Publication Date: 2019-12-13
ZHEJIANG TIANQING PIPE MFR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing clamping fittings are not strong enough to fix the supporting pipes, it is difficult to lock the supporting pipes, and the supporting pipes are easy to fall off, and the existing clamping fittings are mostly soft seals, not resistant to temperature and pressure, easy to age, wear and tear, and have a short service life. Therefore, the present invention proposes a reverse triangular double-ring card pipe fitting connection structure to solve the problems existing in the prior art

Method used

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  • Reverse triangular double-ring pipe clamping piece connecting structure
  • Reverse triangular double-ring pipe clamping piece connecting structure
  • Reverse triangular double-ring pipe clamping piece connecting structure

Examples

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Embodiment Construction

[0024] In order to deepen the understanding of the present invention, the present invention will be described in further detail below in conjunction with examples. The examples are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention.

[0025] according to figure 1 , 2 , 3, 4, 5, 6, 7, 8, 9, 10, this embodiment provides a reverse triangular double-ring clamping pipe connection structure, including a joint body 1, each end inside the joint body 1 A joint cavity is provided. The inner end of the joint cavity is provided with a first notched snap ring 2, and the outer end of the first notched snap ring 2 is provided with a positioning ring 3 in the joint cavity. An inner concave triangular ring 4 is provided in the joint cavity, and an intermediate transmission ring 5 is provided in the joint cavity at the outer end of the inner concave triangular ring 4, and an outer convex is provided in the joint cavity at t...

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PUM

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Abstract

The invention discloses a reverse triangular double-ring pipe clamping piece connecting structure. The structure comprises a joint body; joint cavities are formed in each end in the joint body; pairsof reverse triangular rings are arranged in the joint cavities; first gap clamping rings are arranged at the bottoms; and positioning rings are arranged in the joint cavities at the outer ends of thefirst gap clamping rings. Through axial extrusion of push rings, second gap clamping rings are extruded to radialy deform to tightly press matched pipes; through continuous axial extrusion, the firstgap clamping rings enters first inclined triangular clamping grooves of the joint body to tightly press the matched pipes for locking, and the push rings enter second inclined triangular clamping grooves of the joint body for locking to realize deformation of inner concave triangular rings and outer convex triangular rings due to extrusion; and the generated deformation is only radial compressiondeformation to the centers of pipe shafts due to stop by the inner wall of the joint body, so that the matched pipes are extruded to achieve a hard sealing effect.

Description

Technical field [0001] The invention relates to the technical field of clamped pipe fittings, in particular to a reverse triangular double-ring clamped pipe fitting connection structure. Background technique [0002] The working principle of the card pipe fittings is to insert two pieces of supporting pipes into the sockets at both ends of the card pipe fittings, and fix the supporting pipes in the card pipe fittings to connect the two pieces of supporting pipes. Therefore, it is a drinking water system, a tap water system, a heating system, and a steam A commonly used connector in the system, industrial oil pipe system and industrial gas pipe system, suitable for water, oil, gas and other pipeline connections; [0003] The existing fixed supporting pipes for clamping pipe fittings are not firm enough, it is difficult to lock the supporting pipes, and the supporting pipes are easy to fall off, and the existing clamping pipes are mostly soft-sealed, not resistant to temperature, pre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L21/00
CPCF16L21/00
Inventor 黄明辉
Owner ZHEJIANG TIANQING PIPE MFR
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