| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an insertion type anchor capable of holding a metal wire for anchoring a communication line without peeling off a protection layer such as plastic in a case where the protection layer is provided.SOLUTION: An insertion type anchor comprises: a case having a penetration hole with a conic surface at the center, having a plurality of projection parts protruded from the conic surface to a small diameter end side of the penetration hole, and on which a groove with a predetermined width extending in an axial direction is formed between the adjacent projection parts; a plurality of chuck members arranged movably along the groove, and having a sawtooth projection structure biting from an outer peripheral surface of a metal wire for anchoring an inserted communication line to hold the metal wire; a coil spring pressing the plurality of chuck members against the small-diameter end of the penetration hole of the case; a cap provided at a large-diameter end of the penetration hole of the case, and fixed to the case in a state that the coil spring is energized; and a pipe whose one end is hooked to the small diameter end of the penetration hole of the case, and whose other end is exposed to the exterior, and into which a part of the metal wire is inserted.</p> |
