Gate valve with sleeve stem structure

Abstract

The utility model discloses a gate valve with sleeve rod structure, including gate valve body, the gate valve body includes vertical pipe, horizontal pipe, set up the composite opening and closing spare in the vertical pipe, the drive assembly is set up on the vertical pipe upper end, the composite opening and closing spare includes the outer opening and closing spare of the horizontal pipe that can close, the inner opening and closing spare, the inner opening and closing spare is slid through and is arranged in the inside of outer opening and closing spare, the inner opening and closing spare upper end stretches out outer opening and closing spare, the outer opening and closing spare sets up locking mechanism and locks the inner opening and closing spare, the outer opening and closing spare outer wall is connected with drive assembly, the outer opening and closing spare outer wall is sealed with vertical pipe, the utility model discloses under the condition of gate valve arbitrary opening degree, can pass through the inner opening and closing spare and cut off the passage of flow channel, completes the emergency closing of gate valve.

Images