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A telescopic and rotatable metal pipe joint

A technology of pipe joints and metal pipes, which is applied in the direction of pipes/pipe joints/fittings, adjustable connections, passing components, etc., can solve the problems of low working efficiency, high economic cost, and high time cost of test pumps, and achieve simple structure and easy operation. Reliable, low-cost results

Active Publication Date: 2016-06-08
THE GENERAL DESIGNING INST OF HUBEI SPACE TECH ACAD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Without affecting the requirements of the test pump and the measurement of performance data, it can solve the high time cost and high economic cost caused by the rigid connection of the test pump pipeline of the closed test bench, the industry with too many test pump piping and low work efficiency of the test pump sexual conundrum
This invention is used in the assembly process, and cannot be rotatable and telescopic in the working process

Method used

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  • A telescopic and rotatable metal pipe joint
  • A telescopic and rotatable metal pipe joint
  • A telescopic and rotatable metal pipe joint

Examples

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0029] like figure 1 , figure 2 , image 3 , Image 6 As shown, a retractable and rotatable metal pipe joint of the present invention includes a pipe joint assembly 4 and a connecting pipe assembly that can be assembled together. The connecting pipe assembly includes a piston assembly 1 and a cylinder 2 matched with it, one end of the cylinder 2 is slidingly and sealingly matched with the piston assembly 1, and the other end of the cylinder 2 is connected with the pipe joint assembly 4; the piston assembly 1 includes a hollow tubular One end of the piston rod 1a is a piston head 1b with a central through hole placed in the cylinder 2, and the other end of the piston rod 1a is connected with the pipe joint 3 outside the cylinder 2. The diameter of the piston rod 1a is 14mm, the outer diameter is 18.3mm, the diameter of the central through hole of th...

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PUM

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Abstract

The invention provides a telescopic and rotatable metal tube connector. The telescopic and rotatable metal tube connector comprises a tube connector assembly and a connecting tube assembly, wherein the connecting tube assembly comprises a piston assembly and a cylinder matched with the piston assembly, one end of the cylinder is in sliding sealing fit with the piston assembly, and the other end of the cylinder is connected with the tube connector assembly; the piston assembly comprises a hollow tubular piston rod, one end of the piston rod is a piston head, the piston head is arranged in the cylinder and provided with a center through hole, and the other end of the piston rod is located outside the cylinder and connected with the tube connector body. The front end of the cylinder is a front end socket matched with the piston rod, a gas vent is formed in the junction position of the front end socket and the cylinder, an inner threaded hole connected with the tube connector assembly is formed in the rear end of the cylinder, an annular end face corresponding to the tube connector assembly is arranged on the outer side of the inner threaded hole, and a V-shaped annular groove is formed in the annular end face. The tube connector assembly comprises a thread connecting part connected with the cylinder and a standard tube connector connected with a pipeline, the thread connecting part and the standard tube connector are connected into a whole. The piston head of the piston assembly comprises two annular grooves and two sealing rings installed on the annular grooves. The telescopic and rotatable metal tube connector is simple in structure, low in cost and reliable in work.

Description

technical field [0001] The invention belongs to a component part of a pneumatic transmission system, in particular to a telescopic and rotatable pipe joint. Background technique [0002] In the pneumatic transmission system, pipelines and pipe joints are commonly used pneumatic components, which play the function of connecting all parts of the pneumatic transmission system. In the pneumatic system with higher pressure (such as above 3MPa), the commonly used pipelines are metal hoses and metal hard pipelines, the pipe joints are generally metal, and the metal materials are usually stainless steel, aluminum alloy, and titanium alloy. The inner layer of the metal hose is generally made of non-metallic materials, and the surface is relatively rough. Under the same inner diameter of the pipeline, the gas flow capacity of the metal hose is significantly lower than that of the metal hard pipeline with a smooth inner wall. In order to ensure the flow capacity of gas components, met...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L27/08F16L27/12
CPCF16L27/125
Inventor 胡善刚蔡敏肖任勤洪珅范开春
Owner THE GENERAL DESIGNING INST OF HUBEI SPACE TECH ACAD
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