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Secondary sealing pipe joint and its ferrule

A secondary sealing and pipe joint technology, which is applied in the direction of sealing surface connection, pipe/pipe joint/pipe fitting, passing components, etc., can solve the problems of poor sealing reliability, achieve good sealing reliability and reduce the possibility of air leakage Effect

Inactive Publication Date: 2017-01-04
ZHENGZHOU YUTONG BUS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a secondary sealing pipe joint to solve the problem of poor sealing reliability of the existing primary sealing pipe joints

Method used

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  • Secondary sealing pipe joint and its ferrule
  • Secondary sealing pipe joint and its ferrule
  • Secondary sealing pipe joint and its ferrule

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] Embodiment 1 of the secondary sealing pipe joint of the present invention, such as Figure 1-4 Shown: The secondary sealing pipe joint includes ferrule 1, joint body 2 and connecting nut 3.

[0017] One end of the ferrule 1 is the inlet end 11 for the insertion of the pipeline 4, and the other end is the joint end 12 connected with the joint body 2. The outer circumference of the joint end 12 of the ferrule 1 is provided with a first sealing surface 51, and the joint body 2 is provided with a first sealing surface 52 that is sealingly matched with the first sealing surface 51, and the outer circumference of the inlet end 11 of the ferrule 1 is provided with a second sealing surface 61, and the connecting nut 3 is provided with a second sealing surface 61. 61 is a second sealing mating surface 62 for sealing engagement.

[0018] In this embodiment, both the first sealing surface 51 and the second sealing surface 61 are tapered surfaces. In other embodiments, the first ...

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Abstract

The invention relates to the technical field of connectors, in particular to a tube connector sealed twice and a clamping sleeve thereof. The tube connector comprises the clamping sleeve, a connector body and a connection nut, wherein one end of the clamping sleeve is a tube inlet end for allowing a tube to be inserted into, the other end of the clamping sleeve is a connector end for being connected with the connector body, the outer circumference of the connector end of the clamping sleeve is provided with a first sealing face, the connector body is provided with a first sealing matching face matched with the first sealing face in a sealed mode, the outer circumference of the tube inlet end of the clamping sleeve is provided with a second sealing face, and the connection nut is provided with a second sealing matching face matched with the second sealing face in a sealed mode. Due to the fact that the two ends of the clamping sleeve are sealed twice, compared with an existing tube connector sealed once, the tube connector sealed twice is better in sealing reliability, when sealing of any end of the tube connector fails, the other end of the tube connector can still achieve a sealing effect, and the air leakage possibility is reduced.

Description

technical field [0001] The invention relates to the technical field of joints, in particular to a secondary sealing pipe joint and a ferrule thereof. Background technique [0002] The existing sealed pipe joint for air pressure pipeline includes a ferrule, a joint body and a connecting nut. The end of the ferrule used to connect with the joint body is the joint end, and the end of the ferrule used to insert the air supply line is the inlet end. The joint end of the ferrule is provided with a tapered surface, and the conical surface is provided on the joint body. The tapered hole for sealing fit, the outer circumference of the joint body is provided with external threads, and the ferrule is provided with an internal thread section matched with the external threads of the joint body. When in use, the ferrule is riveted with the pneumatic pipeline, then the joint body is threaded with the connecting nut, and the joint end of the ferrule is pressed into the taper hole of the jo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L19/065
CPCF16L19/065
Inventor 贾文学曹立超石卓强康满
Owner ZHENGZHOU YUTONG BUS CO LTD
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