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Single shaft electric explosion isolation valve with buffer

A technology for isolation valves and electric explosion valves, which is applied in the direction of lifting valves, valve devices, engine components, etc. It can solve the problems of heavy weight and difficulty in maintaining the open and closed states, so as to prevent rebound, reliable lock position, and avoid over-opening fast effect

Active Publication Date: 2014-10-22
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] The purpose of the present invention is to provide a single-shaft electric explosion isolation valve with a buffer and a locking function, which solves the technical problem that the existing butterfly valve is heavy and difficult to maintain the open and closed state

Method used

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  • Single shaft electric explosion isolation valve with buffer
  • Single shaft electric explosion isolation valve with buffer
  • Single shaft electric explosion isolation valve with buffer

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the drawings.

[0023] Single-axis electric explosion isolation valve with buffer: such as figure 1 As shown, the inlet shell 1, the outlet shell 2, the lower disc 3, the upper disc 4, the rotating shaft 5, the piston 6, the electric explosion tube 7, the damping ring 8, the fixed nut 9, the adjustment block 10, and the lock pin 11 , Spring 12, limit screw 13, buffer stopper 14, etc. The electric explosion valve includes a piston and an electric explosion tube.

[0024] The upper disc and the lower disc are fixedly connected and assembled between the inlet shell and the outlet shell through the sheet of the upper disc. The rotating shaft is fixed on the lower disc and the two ends are located between the inlet shell and the outlet shell. The explosion valve is fixed on the outlet shell, the working end of the electric explosion valve can drive the lower disc to rotate, and the two ends of the rotating ...

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Abstract

The invention relates to an electric explosion isolation valve buffered by a single axis band, which comprises an inlet shell, an outlet shell fixedly connected with the inlet shell, an upper disc, a lower disc, a rotating shaft, an electric explosion valve and limit components, wherein the first limit component comprises a rotating shaft locking groove arranged on the surface of the rotating shaft, a limit hole arranged on the outlet shell, and a lock pin, a spring, a limit block and a locking nut which are sequentially arranged in the limit hole; a free end of the lock pin is contacted with the rotating shaft; a spring cavity is formed by encircling the other end of the lock pin and one end of the limit block; the other end of the limit block is fixedly connected with the locking nut; a spring is arranged in the spring cavity; one end of the spring is connected with the limit block, and the other end of the spring is connected with the lock pin; and the free end of the lock pin can extend into the rotating shaft locking groove when the spring is in a free state. The isolation valve adopts a single-shaft structure, can be used for limiting the rotating shaft by the discs, enables the rotating shaft and the discs to rotate at the same time when being opened, and is smaller in structure size.

Description

Technical field [0001] The invention relates to a device for controlling the circulation and shut-off of a fluid medium, in particular to a control system for a fluid pipeline with low flow resistance in the fields of modern aviation, aerospace, petrochemical, energy, power and the like. Background technique [0002] In the liquid control system of modern aviation, aerospace, petrochemical, energy, power and other fields, butterfly valve is a relatively widely used valve product to control the flow and shut-off of fluid medium. The existing butterfly valve generally adopts two-axis positioning and has a large structural size; lack of damping and buffering devices, it is prone to rebound and cause self-closing. [0003] For this reason, a light structure has been developed, which can be automatically maintained in the open and closed state by the electric explosive drive. After being opened, it can be maintained in the open state for a long time without external energy, and is suita...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K1/22F16K1/32
Inventor 陈维宇雷恒谢宁程亚威冯军华贾景卫王志永
Owner NO 11 INST OF NO 6 ACADEMY OF CHINA AEROSPACE SCI & TECH
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