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Pipeline connecting device and method thereof

A technology for connecting devices and pipes, applied in sleeve/socket connections, pipes/pipe joints/fittings, passing components, etc., which can solve the problems of time-consuming pipes and fittings, poor sealing effect, inconvenient maintenance, etc., and achieve material saving and tightness High, easy installation effect

Pending Publication Date: 2018-08-03
厦门中井科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This connection method needs to process external threads at the pipe connection end. Since the threads have a certain depth, in order to ensure that the pipes can meet the requirements of strength and sealing performance after connection, the pipes need to have a certain wall thickness, resulting in material waste.
At present, there is another clamping connection method. The pipe is inserted into the socket of the pipe fitting, and then a special tool is used to apply pressure from the raised part of the socket of the pipe fitting, and the pipe and the pipe fitting are clamped to the deformed connection with hydraulic pliers. If the clamping connection is not in place, it must be Cutting pipes and replacing them with new ones is time-consuming and wastes pipes and fittings
The above two connection methods are troublesome to connect, the sealing effect is poor, and the maintenance is very inconvenient

Method used

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  • Pipeline connecting device and method thereof
  • Pipeline connecting device and method thereof
  • Pipeline connecting device and method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A kind of pipeline connection device and technical method, see figure 1 , its main structure includes a pipe joint 1, a sealing ring 2, a tightening sleeve assembly 3, and a delivery pipe 4. The pipe joint 1 and the connected delivery pipe 4, the pipe joint 1 has a lumen, and has two connection ends communicating with the lumen.

[0027] The connecting end of the pipe joint 1 forms a direct expansion part, the clamping surface 11 of the direct expansion part places the sealing ring 2, and the inner side wall of the expansion part is provided with a tightening sleeve assembly 3, and the tightening sleeve assembly 3 is a cylindrical body , the inside of the cylindrical body is provided with a limit sleeve 31, a tight release ring 32, and a top cylinder 33, and the top cylinder 33, the tight release ring 32 and the top cylinder 33 are placed in the cylinder body of the tight release sleeve assembly 3 along the inner wall in sequence. Limiting sleeve 31 is fixedly assemble...

Embodiment 2

[0031] Its structure is basically the same as embodiment 1, the main difference is: see figure 2 , the connecting end of the delivery pipe 5 is a straight pipe structure.

Embodiment 3

[0033] see image 3 , its structure is basically the same as that of Embodiment 1, the main difference is: see image 3 , the connecting end of the conveying pipe 6 is a convex ring groove 61 structure; at least one convex ring groove or two convex ring groove structures are used to further strengthen the strength and sealing effect of the connection.

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Abstract

The invention discloses a pipeline connecting device and a method thereof and relates to a pipeline connecting structure. The pipeline connecting device is provided with a pipe connector, seal rings,retaining and releasing assemblies and conveying pipes. The pipe connector is provided with a pipe cavity and at least two connecting ends communicating with the pipe cavity. The connecting ends of the pipe connector form direct expanding portions. The seal rings are arranged on clamping surfaces of the expanding portions correspondingly. The retaining and releasing assemblies are arranged on theinner side walls of the expanding portions correspondingly. A limit sleeve, a retaining and releasing ring and an ejecting barrel are arranged in each retaining and releasing assembly. Reducing portions are arranged at the ends of the pipe connector expanding portions correspondingly. The reducing portions at the ends are used for pressing the upper ends of the corresponding retaining and releasing assemblies so that the retaining and releasing assemblies can be prevented from being loosened. Grooves are formed in connecting ends of the conveying pipes correspondingly and form concave annulargrooves. The connecting ends of the conveying pipes are inserted into the pipe connector along the corresponding ejecting barrels. The pipes are clamped firmly through the retaining and releasing rings of the retaining and releasing assemblies in the pipe connector. The pipe cavity of the pipe connector communicates with pipe cavities of the pipes. No thread needs to be machined in the outer diameter portions of the connecting ends of the to-be-connected conveying pipes in a damaging mode, the situation that the pipe thicknesses of the conveying pipes are increased due to machining of the threads is avoided, materials are saved, and the cost is lowered.

Description

technical field [0001] The invention relates to a pipeline connection structure, in particular to a pipeline connection device and method suitable for connecting pipe materials and pipe fittings. Background technique [0002] In the transmission pipeline, the pipeline connection device is an indispensable connection method. The traditional pipe connection method is to process external threads on the outer diameter of the pipe connection end so as to cooperate with the internal threads of the pipe joints. This connection method needs to process external threads at the pipe connection end. Since the threads have a certain depth, in order to ensure that the pipes can meet the requirements of strength and sealing performance after connection, the pipes need to have a certain wall thickness, resulting in waste of materials. At present, there is another clamping connection method. The pipe is inserted into the socket of the pipe fitting, and then a special tool is used to apply p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L21/00
CPCF16L21/00
Inventor 陈荣辉
Owner 厦门中井科技有限公司