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High-pressure movable elbow

A technology of swivel elbows and elbows, which is applied in the direction of elbows, pipes/pipe joints/fittings, adjustable connections, etc., can solve the problems of difficult rotation, difficult rotation, damage, etc. between male and female elbows, and improve the service life and the effect of rotational flexibility

Inactive Publication Date: 2016-02-17
甘育宝 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The swivel elbow is characterized by simple structure, easy to connect pipelines, fast, accurate, firm and reliable; but due to its structural reasons, it is easy to cause fluid leakage at the retaining ring; because the steel ball and the groove ring raceway belong to point contact, in Under high pressure, due to the axial stretching of the elbow body due to the force, the steel ball or the groove ring raceway is damaged, which makes the rotation between the male and female elbows difficult, even difficult to rotate

Method used

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Embodiment Construction

[0019] The structure and working principle of the high-pressure swivel elbow provided by the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0020] As shown in Figure 2, it is a schematic structural diagram of a high-pressure swivel elbow provided by the present invention. The structure of the high-voltage swivel elbow includes the elbow body male 1 and the elbow body female 2 that are inserted into each other, and a concave ring 10 and a fixed The anti-off mechanism formed by the protrusion or the convex ring 5 formed by the protrusion; the cylindrical compression screw 4 connected by the outer surface and the inner wall surface of the female head of the above-mentioned elbow body through the screw 11 is supported on the above-mentioned anti-off mechanism On the bump or the protruding ring 5, and the inner wall surface of the cylindrical compression screw is frictionally connected with the outer wall surface of the ...

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Abstract

The invention belongs to the technical field of pipe elbows and particularly relates to a high-pressure movable elbow used for a cementing manifold and a circulating pipeline. According to the main technical scheme, the high-pressure movable elbow comprises an elbow body male head and an elbow body female head which are connected in an inserted mode. A protruding anti-disengagement mechanism is arranged on the outer wall of the part, inserted into the elbow body female head, of the elbow body male head. A barrel-shaped compression threaded rod abuts against the anti-disengagement mechanism, the outer side face of the barrel-shaped compression threaded rod is in screw connection with the inner wall face of the elbow body female head, and the inner wall face of the barrel-shaped compression threaded rod is in friction connection with the outer wall face of the elbow body male head. The high-pressure movable elbow has the characteristics of being flexible to use and rotate, good in sealing performance and long in service life.

Description

technical field [0001] The invention belongs to the technical field of pipe connectors, in particular to a high-pressure swivel elbow. Background technique [0002] The high-pressure swivel elbow is mainly used on the cementing manifold and the circular pipeline. The Chinese patent number is 201210178233.1 and the application publication number is CN103453267A, which discloses a high-pressure swivel elbow of the circular pipeline. The structure that constitutes the elbow is as figure 1 As shown, its structure is composed of the elbow body male head 1 and the elbow body female head 2 that are inserted into each other, and the corresponding groove ring raceway A and the steel ball inserted into it are arranged on the contact surface of the joint. B and the retaining ring D and the dust retaining ring E arranged at both ends of the socket, and a sealing ring C is arranged around the retaining ring D. The swivel elbow is characterized by simple structure, easy to connect pipel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L43/00F16L27/08
CPCF16L43/00F16L27/08
Inventor 焦东海甘育宝
Owner 甘育宝
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