Electromagnetic pilot type high-pressure two-position three-port valve

Abstract

The invention relates to an electromagnetic pilot operated high pressure two-position three-way valve which is characterized in that a valve (1) is provided with a valve plug (3) and an elastic ejector rob (17) which is contacted with a steel ball (11); when an electromagnetic valve plug (6) retracts, a discharge port (8) is closed by the electromagnetic valve plug (6); a left valve chamber (5) is communicated with an inlet channel (2); as the end area of the valve plug (3) is larger than the area of a hole (19), a high pressure difference pushes the valve plug, a hole at the right side of a seal seat (18) is closed by a steel ball, and an discharging channel (10) is communicated with an emptying channel (9); when the electromagnetic valve plug (6) extends, the inlet channel (2) is closed, and the left valve chamber (5) and the discharge port (8) are communicated with air, here, the steel ball is pushed to the left side and sealed by the pressure difference, the discharging channel (10) is communicated with an inlet channel (16). The invention has the advantages of simple structure, convenient use, high control precision, application of high pressure.

Description

technical field [0001] The invention relates to a high-pressure gas or liquid control device, in particular to an electromagnetic pilot type high-pressure two-position three-way valve. Background technique [0002] In the field of air compressors, especially in the field of post-processing equipment for drying and purifying compressed air, general equipment must use 5 solenoid valves, 5 pneumatic actuators and 5 high-pressure ball valves to cooperate with each other to achieve the opening of various air circuits. or off purpose. Because they need to be connected and installed with pipelines, it has the disadvantages of complex structure, bulky size, poor efficiency, and inconvenient use, which makes the external connection pipelines and components of compressors or drying and purification equipment too complicated and prone to various problems. Fault. Can the functions of the above solenoid valve, pneumatic actuator and high pressure ball valve be integrated to overcome th...

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Problems solved by technology

[0003] The purpose of the present invention is to overcome the shortcomings of the control valves in the prior art, which are too many components and many external connecting pipes, and propose an improved electromagnetic pilot high-pressure two-position three-way valve in view of the above shortcomings. Functional integration of valve, pneumatic actuator and high pressure ball valve

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