Modified draught fan push -pull valve

• Main Authors: HUANG JINZHAN, CHEN JIAOLONG, DONG JINNAN
• Format: Patent
• Language: Chinese; English
• Published: 04.05.2018
• 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

The utility model relates to a modified draught fan push -pull valve, including picture peg frame, flashboard and screw rod driving mechanism, screw rod driving mechanism includes lead screw, screw -nut and rocking handle. The flashboard sets up in the picture peg frame, and back end of the lead scr...