Cable theftproof is pressed from both sides

The utility model provides a cable theftproof is pressed from both sides, simple structure is pressed from both sides in this kind of theftproof, and the volume after the actual production is come out is smaller and more exquisite, and weight is lighter, and carrying and installing in messenger's engineering is more convenient. Outer tube and inner tube that it cup jointed including mutual activity, be equipped with the tight ball of the clamp that can clip the cable between outer tube and the inner tube, the outer tube is equipped with the inclined plane that tight ball was pressed from both sides to the direction, and the inner tube is equipped with the route that supplies to press from both sides tight ball advance and retreat, presss from both sides tight ball and is a plurality of to distribute along inner tube circumference, be equipped with the elastic component between outer tube and the inner tube, the one end and the outer tube of this elastic component offset, and the other end and the inner tube o