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Non-welding elastic sealing pipe joint

An elastic sealing tube and elastic sealing technology, which is applied in the direction of pipes/pipe joints/fittings, adjustable connections, passing components, etc., can solve the problems of many parts, large installation torque, and influence on popularization and application

Pending Publication Date: 2021-05-28
HAIYAN HAIGUAN PIPE FITTING MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, the original double ferrule connection requires high precision and hardness of the pipe to ensure its connection strength and tightness, and the required installation torque is relatively large, and there are many unfavorable factors such as many parts, which affect a wider range of popular applications.

Method used

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  • Non-welding elastic sealing pipe joint
  • Non-welding elastic sealing pipe joint
  • Non-welding elastic sealing pipe joint

Examples

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Embodiment Construction

[0019] refer to figure 1 , figure 2 , image 3 and Figure 4 , a non-welding elastic sealing pipe joint of the present invention, comprising a first connecting head 1 and a second connecting head 2 rotatably connected to the first connecting head 1, the first connecting head 1 includes a T shape with a large top and a small bottom. Joint body 11, pipe 12, elastic sealing ring 13 and nut 14, the upper end of the T-shaped joint body 11 is provided with a threaded hole 18, and the lower end of the T-shaped joint body 11 is provided with a stepped hole 19 with a lower portion and an upper portion. The step hole 19 communicates with the threaded hole 18, the lower end of the step hole 19 is a tapered hole 110, the pipe end of the pipeline 12 is formed with a ring-shaped anti-off protrusion 15 through a cold forming process, and the ring-shaped anti-slip The pipeline 12 above the protrusion 15 is provided with an elastic sealing ring 13 matched with the tapered hole 110, and the...

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Abstract

The invention discloses a non-welding elastic sealing pipe joint which comprises a first connector and a second connector rotatably connected with the first connector. The first connector comprises a big-end-up T-shaped connector body, a pipeline, an elastic sealing ring and a nut, and a threaded hole is formed in the upper end of the T-shaped connector body; the lower end of the T-shaped connector body is provided with a big-end-down stepped hole, the stepped hole is communicated with the threaded hole, the lower end of the stepped hole is a conical hole, an annular anti-falling protrusion is formed at the pipe end of the pipeline through a cold forming process, and the elastic sealing ring matched with the conical hole is arranged on the position, above the annular anti-falling protrusion, of the pipeline; and the position, below the annular anti-falling protrusion, of the pipeline is sleeved with the nut in threaded connection with the lower end of the T-shaped connector body. Compared with the prior art, the non-welding elastic sealing pipe joint has the advantages that the assembly and the maintenance are convenient, the use cost is reduced, the requirements for the pipe precision and hardness are reduced, the mounting torque is reduced, and the number of parts is reduced.

Description

【Technical field】 [0001] The invention relates to the technical field of pipe joints, in particular to the technical field of non-welding elastic sealing pipe joints. 【Background technique】 [0002] The rotary joint is the connecting sealing part for the fluid medium (oil, water, gas, etc.) input from the stationary pipeline to the rotating shaft in the equipment. The commonly used rotary joint housing mainly adopts an integral structure, which has certain difficulties in manufacturing, assembling and maintaining. [0003] Since the connection between the rotary joint and the pipe generally adopts a ferrule connection, which has the advantages of good connection and sealing, convenient and quick installation and operation, etc., its application range and number of uses are increasing, and higher requirements are also put forward. For example, the original double ferrule connection requires high precision and hardness of the pipe to ensure its connection strength and tightne...

Claims

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Application Information

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IPC IPC(8): F16L27/08
CPCF16L27/0832
Inventor 张旭东张丽红周剑飞朱振芳陈胜杨美秦
Owner HAIYAN HAIGUAN PIPE FITTING MFG
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