Hydraulic control underground sliding sleeve

The utility model discloses a hydraulic control underground sliding sleeve which comprises a sliding sleeve shell, a pressure injection pipe connector, a hydraulic pipe, a sealing ring, a through hole, a shear pin, a positioning pin, a hydraulic plug, a thrust plug, a valve plate, a hinge and a sliding valve. The sliding valve is arranged in the sliding sleeve shell; a hydraulic pipeline connectedwith an external hydraulic assembly is arranged in a sliding sleeve shell; the valve plate is arranged on the sliding valve, and the hydraulic pipeline is connected with the valve plate through the thrust plug, so that the opening and closing of the sliding sleeve are hydraulically controlled, the purpose of accurately controlling the opening and closing of the sliding sleeve is achieved, the operation is simple and convenient, the device is suitable for various complex stratum conditions, and the construction efficiency is improved. 本实用新型公开了一种液压控制井下滑套，包括滑套壳体、注压管接头、液压管、密封圈、通孔、剪切销钉、定位销钉、液压塞、推力塞、阀板、铰链、滑动凡尔；滑动凡尔设置在滑套壳体内