Sealed liquid wire line coring drilling tool

The utility model relates to a sealed liquid wire line coring drilling tool, including inner tube and outer tube, the upper end and the drilling rod of outer tube are connected, the drill bit is installed to the lower extreme mouth of pipe of outer tube, the upper end and the fishing device of inner tube are connected, slide in the lower extreme lumen of inner tube and be provided with, the lower piston, on, be provided with the cavity that is used for loading sealed liquid between lower piston and the inner tube, the lower extreme mouth of pipe of inner tube constitutes the entry of rock core, the in -process that the lower piston rises, there is the clearance that sealed liquid passes through between lower piston and the inner tube, the lower extreme of inner tube still is provided with the jump ring that is used for cuting the rock core, creeping into of drilling tool is realized at drive outer tube pivoted in -process to the drilling rod, the rock core orders about the in -process that the lower piston sh