High-response large-flow electromagnetic valve

• Main Authors: WU QUANZHONG, DENG BILI, WAN JINQUAN, ZHOU BIN
• Format: Patent
• Language: Chinese; English
• Published: 11.10.2019
• Subjects: ACTUATING-FLOATS; BLASTING; BRAKES; CLUTCHES; COCKS; COUPLINGS FOR TRANSMITTING ROTATION; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; FLUID-PRESSURE ACTUATORS; FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; HYDRAULICS OR PNEUMATICS IN GENERAL; LIGHTING; MECHANICAL ENGINEERING; SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The utility model discloses a high-response large-flow electromagnetic valve. The check valve comprises a valve sleeve, an electromagnet is mounted at the upper end of the valve sleeve; the electromagnet comprises a movable iron core; a pressure-relief oil port is formed in the lower end of the valve sleeve; the valve sleeve is sequentially provided with a supply oil port and a control oil port from top to bottom. A valve core is arranged in the valve sleeve; the upper end of the valve core is connected with a movable iron core through an ejector rod; reset springs are arranged at the lower ends of the valve elements; an oil path is arranged between the valve core and the valve sleeve; one end of the oil path communicates with the oil supply port; a first sealing part is arranged on the valve element, a small throttling hole communicated with an oil way is formed in the valve sleeve beside the control oil port, the oil way is communicated with a pressure relief oil port through a one-way valve, the one-way va