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Low flow resistance and high pressure pneumatic damping ball valve with self-locking function

A low flow resistance, high pressure gas technology, applied in the direction of preventing accidental or unauthorized actions, valve details, valve devices, etc., to avoid impact, facilitate remote control and monitoring, and reduce impact.

Active Publication Date: 2012-07-04
NO 11 INST OF NO 6 ACADEMY OF CHINA AEROSPACE SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the technical problem that the existing pneumatic control ball valve needs external energy to maintain after it is opened, and requires control pressure and application occasions, the present invention provides a high-pressure pneumatic damping ball valve with small, low diameter reduction ratio, low flow resistance and self-locking function. In the liquid pipeline control system, the high-pressure pneumatically driven pneumatic damping ball valve with locking function is used to control the flow and shut-off of the fluid pipeline.

Method used

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  • Low flow resistance and high pressure pneumatic damping ball valve with self-locking function
  • Low flow resistance and high pressure pneumatic damping ball valve with self-locking function
  • Low flow resistance and high pressure pneumatic damping ball valve with self-locking function

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Embodiment Construction

[0026] Such as figure 1 As shown, a high-pressure pneumatic damping ball valve with a small, low diameter ratio and low flow resistance with self-locking function includes an inlet housing 1, a diversion sleeve 3, a ball 7 and an outlet housing 2, and the inlet housing is sleeved on the diversion sleeve In addition, the inlet housing is connected to the outlet housing, and the ball 7 is arranged between the guide sleeve 3 and the outlet housing 2, and also includes a high-pressure air source, a pneumatic rotating shaft assembly, a pneumatic lock pin assembly and a pneumatic valve assembly; the pneumatic rotating shaft assembly includes Open piston chamber 17, close piston chamber 15, open piston 9 and close piston 19 arranged in parallel in the piston chamber, gear shaft 8 coaxially fixed with the sphere shaft, open rack coaxially connected with the output rod of the open piston 9 18. The closing rack 12 coaxially connected with the closing piston output rod, the sphere openin...

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Abstract

The invention relates to a low flow resistance and high pressure pneumatic damping ball valve with a self-locking function, comprising an inlet shell, a flow guiding sleeve, a sphere and an outlet shell. The inlet shell is sleeved outside the flow guiding sleeve and connected with the outlet sleeve. The sphere is arranged between the flow guiding sleeve and the outlet sleeve. The low flow resistance and high pressure pneumatic damping ball valve further comprises a high-pressure air source, a pneumatic rotating-shaft component, a pneumatic lockpin component and a pneumatic valve component. According to the low flow resistance and high pressure pneumatic damping ball valve, the technical problems that the existing pneumatic control ball valve needs to be maintained by external energy after being opened and has requirements on control pressure and use occasion are solved. The pneumatic damping ball valve with small low diameter reduction ratio, low flow resistance and high pressure and with the self-locking function is used for controlling the opening and the closing of a liquid pipe in a liquid pipe control system.

Description

technical field [0001] The invention relates to a device for controlling the circulation and shutoff of a fluid medium, in particular to a control system for fluid pipelines with large flow and low flow resistance in the fields of modern aviation, aerospace, petrochemical, energy, power and the like. Background technique [0002] In liquid control systems in the fields of modern aviation, aerospace, petrochemical, energy, power, etc., ball valves are widely used valve products to control the flow and shut-off of fluid media. At present, the pneumatic control ball valve needs external energy to maintain after it is opened, and has certain requirements for control pressure and application occasions, and is not suitable for large vibration occasions. [0003] For this reason, it is necessary to develop a pneumatic control that can automatically maintain the open and closed state, and can realize remote control. After opening, it can maintain the open or closed state for a long ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K5/06F16K37/00F16K35/10
Inventor 刘站国陈维宇雷恒张赤民程亚威谢宁贾景卫
Owner NO 11 INST OF NO 6 ACADEMY OF CHINA AEROSPACE SCI & TECH
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