Worm gear transmission dual -clamp butterfly valve

• Main Authors: WEI GUOZHI, HONG JIANTUAN
• Format: Patent
• Language: Chinese; English
• Published: 14.08.2018
• 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 worm gear transmission dual -clamp butterfly valve, worm end department has seted up the one -level cell body, it inserts the post to be provided with in the one -levelcell body, the both sides middle part is connected with the sand grip about inserting the post, the one -level recess has do not been seted up in the punishment of both sides four corners about inserting the post, there is the extension board through spring coupling in the one -level recess, there is the card wheel through rotate bracket connection on the extension board, hand wheel one side center department is connected with the rotary drum, the second grade cell body has been seted up in the rotary drum, the second grade recess has been seted up at the both sides middle part about the second grade cell body, the hand wheel is connected with worm wheel head detachable through rotary drum and the cooperation realization of inserting the post, the worm wheel center is connected with the sleeve, the sleeve both end