Butterfly valve with good sealing performance for transformer

• Main Authors: WANG XIAOLEI, XIA MINGZHE, YAN JINXING, CAO QIAN
• Format: Patent
• Language: Chinese; English
• Published: 03.10.2023
• 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 butterfly valve for the transformer is good in sealing performance and comprises a valve body, a valve shaft is inserted into the top of the valve body in a penetrating mode, a sealing gasket is arranged on the top of the valve body, the outer wall of the valve shaft is connected with a limiting pin, one end of the valve shaft is connected with a valve plate, and a sealing structure is arranged in the valve body. The transverse rubber strip is in direct contact with the first longitudinal sealing ring, certain compression amount is given in the assembling process, the valve achieves bidirectional simultaneous sealing in the transverse medium circulation direction and the longitudinal valve shaft operation direction, the two sealing rings are additionally arranged on the outer wall of the valve shaft, overall sealing is more reliable, and therefore oil is prevented from seeping out of a gap. 本实用新型提供一种密封性能好的变压器用蝶阀，包括阀体，所述阀体的顶部贯穿插入有阀轴，所述阀体的顶部设置有密封垫，所述阀轴的外壁连接有限位销，所述阀轴的一端连接有阀片，所述阀体的内部设置有密封结构；本实用新型通过采用横向胶条与纵向第一