Recyclable tubular packer

The utility model relates to a packer technical field specifically is a recyclable tubular packer, include the top connection, go up hydraulic cylinder and smooth movable sleeve, the cylindric that the hydraulic cylinder be internal diameter big -end -up is gone up to the inboard fixedly connected with center tube in the lower part of top connection, and the inboard suit in upper portion of goingup the hydraulic cylinder is in the lower part outside of top connection, and the inboard suit in lower part of going up the hydraulic cylinder is in the upper portion outside of center tube, the topconnection, goes up and has formed the feed liquor chamber between hydraulic cylinder and the center tube, and the equipartition is equipped with feed liquor hole two at least on the center tube on feed liquor chamber upper portion, go up the lower extreme of hydraulic cylinder outside fixed mounting have the clamping ring. The utility model has the advantages of reasonable and compact structure,convenient to use, through