Automatic positioning center structure for ball body of all-welded ball valve

• Main Authors: CHI HUIQUAN, DAI JIWEN, LI GUOFENG, ZHANG HEYONG, FU XINHE
• Format: Patent
• Language: Chinese; English
• Published: 28.05.2024
• 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; HAND TOOLS; HEATING; LIGHTING; MANIPULATORS; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; PORTABLE POWER-DRIVEN TOOLS; TAPS; THERMAL INSULATION IN GENERAL; TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING; TRANSPORTING; VALVES; WEAPONS

The utility model provides an all-welded ball valve ball body automatic positioning center structure which comprises a middle valve body, the middle valve body is connected with an upper valve neck and a lower valve neck, and a stuffing box is arranged in the valve necks. Two ends of the middle valve body are respectively connected with the left valve cover and the right valve cover; a ball body is arranged in the valve body, the stuffing box is matched with the sliding bearing to extend into the ball body to support and fix the ball body, and the lower fixing shaft is matched with the sliding bearing and the plane thrust bearing to fix the ball body. According to the valve seat assembly device, the defects in the prior art are overcome, the production efficiency and the one-time success qualification rate of a valve production test are improved, the cost is reduced, and resources are saved to return to the society. 本实用新型提供一种全焊接球阀球体自动定位中心结构，包括中阀体，所述中阀体连接上阀颈和下阀颈，所述阀颈内设置填料箱；所述中阀体的两端分别连接左阀盖和右阀盖；所述阀体内设置球体，所述填料箱配合