Clip-press type pipefitting

A compression-type pipe fitting and clamping sleeve technology, applied in the direction of pipe/pipe joint/pipe fitting, pipe connection arrangement, mechanical equipment, etc., can solve the problems of limited knurling depth, scratches on the inner layer of the pipe, and high installation requirements. It can achieve the effect of anti-loosening and anti-leakage, good prevention of metal electrical corrosion, and good connection effect.
CN101093041AInactive Publication Date: 2007-12-26GUANGDONG LIANSU TECH INDAL
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
GUANGDONG LIANSU TECH INDAL
Publication Date
2007-12-26
Estimated Expiration
Not applicable · inactive patent

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Abstract

This invention provides a clamping tube element including a joint and a clamping cover, in which the joint includes an end and a core, the radial section of the end is greater than the core, said clamping cover is sleeved on the outer circle of the core and a connection structure is set between one end of the cover and the joint end, the joint is made of plastics.
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Description

technical field

[0001] The invention belongs to the technical field of pipe fittings for pipe material connection, and in particular relates to a clamping type pipe fitting. technical background

[0002] Existing compression-type pipe fittings are often used for the connection of aluminum-plastic composite pipes, which mainly include a joint body, a plastic retaining ring, a clamping sleeve and a sealing ring.

[0003] The main disadvantage of the prior art is that the joint body is made of copper metal and the clamping sleeve is made of stainless steel. In order to avoid the aluminum layer of the pipe from contacting the metal body or the stainless steel clamping sleeve, a plastic retaining ring or protective sleeve must be added to prevent dissimilar metals from collapsing. Therefore, the structure of the pipe fittings is complicated and the installation requirements are high; and in application, it is difficult to ensure the stability between the joint body, the clamping ...

Claims

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