Fluid pressure proportional valve

• Main Authors: GAO XIULING, WU JIAMOU, WU CHENGPEI
• Format: Patent
• Language: Chinese; English
• Published: 11.01.2022
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

A fluid pressure proportional valve comprises a valve body, a first mandrel, a second mandrel and a driving motor, the valve body is provided with a containing space, a first hole, a second hole and a third hole, a valve port is formed in the containing space, and the first mandrel and the second mandrel are located in the containing space of the valve body; the first mandrel is provided with a closing part, an abutting part and a flow channel, in the normal state, the closing part closes the valve port, and the second hole is communicated with the third hole through the flow channel. The driving motor drives the second core shaft to move in the axial direction, so that the second core shaft seals the flow channel, the second hole and the third hole are sealed, the second core shaft pushes the abutting portion of the first core shaft, the valve port and the sealing portion are opened, and the first hole and the second hole are communicated. 一种流体压力比例阀，包含一阀体、一第一芯轴、一第二芯轴与一驱动马达，其中，阀体具有一容置空间以及一第一孔、一第二孔与一第三孔，容置空间中具