Stem seal end adopts normally open valve of bulb connection

• Main Authors: PENG ZAILI, LIU JINZHU, ZHANG BAOJI
• Format: Patent
• Language: English
• Published: 05.08.2015
• 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 stem seal end adopts normally open valve of bulb connection, cylinder body one end in horizontal insert the installation have the position sleeve, the other end internal layout of cylinder body have horizontal through-hole, valve rod one end be bulb form, should hold in the traversing position sleeve and be corresponding with horizontal through-hole open end, the valve rod portion of passing cup jointed spring I, the valve rod bulb serve and install the valve seat, the valve seat be close to horizontal through-hole open end one side and install seal gasket, the valve rod mid-mounting have the snap ring, I one end on the spring and the cylinder body inner wall that is close to horizontal through-hole opening part lean on mutually, lean on mutually to the side of the other end and the snap ring. The utility model has the characteristics of simple structure, simple installation, long service life, sealed effectual avoid appearing causing the condition appearance etc. Of leakage because of the valve rod swing.