Pilot type hydraulic unloading valve for high-pressure spray gun of front mixing type derusting machine

• Main Authors: LIU NING, XU MING, GENG SHIHONG, ZHENG SILIANG, GUO JIANFEI, QI JUN, YANG DONGWEI, ZHENG SHISHUANG, LI JINYUAN, DAI FUJUN, DONG JIA
• Format: Patent
• Language: Chinese; English
• Published: 07.12.2021
• Subjects: ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL; ACTUATING-FLOATS; BLASTING; COCKS; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; GRINDING; HEATING; LIGHTING; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; POLISHING; TAPS; THERMAL INSULATION IN GENERAL; TRANSPORTING; VALVES; WEAPONS

The utility model discloses a pilot type hydraulic unloading valve for a high-pressure spray gun of a front mixing type derusting machine, which comprises a water gun unloading valve block, hydraulic oil, a valve core spring, a valve core polytetrafluoroethylene pad, a valve core O-shaped ring, an unloading alloy valve core, an unloading hole, an unloading alloy valve seat, a valve seat O-shaped ring, a hollow core set bolt, a liquid outlet hole, a combined gasket, a valve seat plug wire, a liquid inlet hole and an unloading spring sleeve, a spring adjusting bolt, an unloading piston, an adjusting bolt O-shaped ring, a piston spring, a piston O-shaped ring, a plug wire O-shaped ring, a hydraulic oil cavity plug wire, a spring seat, a pressure adjusting bolt and a spring seat O-shaped ring form the pilot type hydraulic unloading valve for the high-pressure spray gun of the front mixing type derusting machine. 本实用新型公开了一种前混式除锈机高压喷枪用先导型液压卸荷阀，包括水枪卸荷阀块，液压油，阀芯弹簧，阀芯四氟垫，阀芯O型圈，卸荷合金阀芯，卸荷孔，卸荷合金阀座，阀座O型圈，空芯紧定螺栓，出液孔，组合垫圈，阀座