PLASTIC ANCHOR WITH LOCKING PROTRUSION UNIT INSERTED INTO LOCKING GROOVE

摘要

Disclosed is a plastic anchor, inserted into a fixing hole formed in a concrete structure, having a head and a body. The disclosed plastic anchor comprises: a fastening member insertion hole having spiral threads to allow a fastening member to be screwed into the body through the head; a locking protrusion unit protruding from the outside of the body to be locked by a locking groove formed to have a larger diameter than the fixing hole inside the fixing hole; and a cavity formed inside the body by corresponding to the locking protrusion unit to reduce the outer circumference of the locking protrusion unit to reduce resistance between the locking protrusion unit and an inner surface of the fixing hole while the body is inserted into the fixing hole.;COPYRIGHT KIPO 2017