Valve control device with non-concentric extension rod

The utility model discloses a valve control device with a non-concentric extension rod. A valve device controlled by a non-concentric extension rod comprises a valve installed on an underground pipeline and further comprises a transmission cap, a linkage block A, a slipknot A, a transmission rod, a slipknot B, a linkage block B and a linkage cap which are sequentially connected up and down. Positioning pins are arranged at the positions where the two ends of the transmission rod are fixedly connected with the slipknot threads A and the positions where the two ends of the transmission rod are fixedly connected with the slipknot threads B respectively. The device further comprises a transmission cap clamping control device. When the included angle between the connecting line of the intersection point of the wellhead vertical center line and the wellhead horizontal plane and the intersection point of the valve vertical center line and the valve horizontal plane which are installed on theunderground pipeline in a