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A high-pressure-resistant movable connection device for liquid delivery pipelines

A technology of movable connection and conveying pipeline, applied in the direction of adjustable connection, pipe/pipe joint/pipe fitting, passing element, etc., it can solve the problems of lack of sealing effect, damage to rubber pad, easy generation of gap, etc., and achieve good sealing performance. , long life, stable rotation effect

Active Publication Date: 2015-11-25
GUILIN UNIV OF ELECTRONIC TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The general method is to use a rubber pad for sealing. After rotation, there will be relative movement between the rubber pad and the pipe, which is prone to gaps and liquid leakage. Secondly, after long-term grinding between the rubber pad and the pipe, the rubber pad will be damaged. , no sealing effect

Method used

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  • A high-pressure-resistant movable connection device for liquid delivery pipelines
  • A high-pressure-resistant movable connection device for liquid delivery pipelines
  • A high-pressure-resistant movable connection device for liquid delivery pipelines

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Embodiment Construction

[0022] See figure 1 . A high-pressure resistant movable connection device for liquid conveying pipelines, including an integral fixed sleeve 3, two gaskets (upper rubber gasket 1, lower rubber gasket 5), two gasket brackets (upper gasket bracket 2. Lower gasket bracket 4), eight spring ball assemblies 8 (see image 3 , 5 ), the integral fixing sleeve 3 is provided with eight axial installation through holes 7 for installing the spring ball assembly in its annular part (see figure 2 ), eight spring ball assemblies 8 are respectively installed in the eight axial installation through holes 7 of the integral fixed sleeve 3 (see image 3 ). The two gasket brackets are respectively placed at the upper and lower ends of the integral fixing sleeve 3 (the upper gasket bracket 2 is on the upper side, and the lower gasket bracket 4 is below), and the ball groove 9 is provided for matching balls (see Figure 4 ) toward the integral fixing sleeve 3, and the two gaskets are respective...

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Abstract

The invention discloses a high-pressure-resisting movable connection device for a liquid conveying pipeline. The device comprises a whole fixing sleeve, two sealing pads, two sealing pad supports and a spring ball assembly, an axial mounting hole for containing the spring ball assembly is formed in the annular portion of the whole fixing sleeve, the two sealing pad supports are arranged at the upper end and the lower end of the whole fixing sleeve respectively, ball grooves which are formed in the two sealing pad supports and used for being matched with balls are towards the whole fixing sleeve, and the two sealing pads are arranged at the outer ends of the two sealing pad supports respectively. The device drives the upper portion and the lower portion to do relative rotation through moving of the sealing pad supports on the balls, friction motion of sealing pads and the pipeline in the prior art is replaced with rolling motion between the balls and the ball grooves, rotation is stable, the sealing performance is good, abrasion is small, service life is long, and the device is particularly suitable for the high-pressure liquid conveying pipeline and the occasions where the space is limited or the pipeline needs to be flexibly rotated under the special condition.

Description

technical field [0001] The invention relates to a liquid conveying pipeline, in particular to a connecting device for the pipeline, and more specifically to a high-pressure-resistant movable connecting device for the liquid conveying pipeline. Background technique [0002] In actual production and domestic applications, the liquid delivery pipeline sometimes needs to be rotated at the joint of the pipeline, one of which is fixed while the other rotates. Since there is liquid in the pipeline, it is very important to have a good seal at the junction of the two pipelines, especially when the liquid is transmitted under high pressure in the pipeline, to ensure that the joint does not leak requires a reliable seal . The general method is to use a rubber pad for sealing. When it is rotated, there will be relative movement between the rubber pad and the pipe, which is prone to gaps and liquid leakage. Secondly, after long-term grinding between the rubber pad and the pipe, the rubb...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L27/08
CPCF16L27/0816
Inventor 郭庆魏德强胡鸿志胡锦泉徐翠锋朱发兴
Owner GUILIN UNIV OF ELECTRONIC TECH
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