Power-assisted pipeline valve

A power-assisted pipeline valve, comprising a valve body and a pressure relief assembly, wherein two sides of the valve body are provided with a water inlet and a water outlet respectively, and a top of the valve body is provided with a first chute;

• a sliding sleeve is slidably disposed in the valve body and has two sides respectively connected to an inner wall of the valve body through a first spring;
• a ball valve assembly is disposed in the sliding sleeve and connected to a valve stem;
• the valve stem passes through the sliding sleeve and is rotatably sleeved with a sliding shell, and a top of the valve stem is provided with a handwheel;
• the sliding shell is slidably disposed in the first chute and provided with a rack and an electric power-assisted mechanism which is connected to the valve stem;
• the top of the valve body is rotatably penetrated by a first rotating shaft which is orderly sleeved with a fifth gear, a rotary table and a third spring from top to bottom;
• the fifth gear is connected to the first rotating shaft through a one-way bearing and meshed with the rack;
• the rotary table is rotationally connected to the first rotating shaft and is connected to the fifth gear through a centrifugal locking mechanism;
• and the third spring is connected to the rotary table and the valve body respectively, and the pressure relief assembly is disposed on the valve body and connected to the rotary table.