Patent ID: 7306396

Claim:
A connector structure comprising: a connector having a coupling end to be coupled to a power tool and having a connecting end, an inserting hole for insertion of a tool head being formed in the connecting end; a detachable mounting tube having a connecting end to be connected to the connecting end of the connector, a rib being formed in an inner surface of the mounting tube; a sliding pipe being formed at each end thereof with a flange and being received in the mounting tube in such a manner that the two flanges are located at both sides of the rib, and one of the two flanges protrudes out of the mounting tube, so that the sliding pipe can slide within the tube and around said tool head, and a magnetic member for engaging a fastener to be driven by said tool head and having a central hole, the magnetic member being disposed in the end of the sliding pipe protruding out of the mounting tube; and a spring located between the flange protruding out of the mounting tube and the rib of the mounting tube for biasing the flange protruding out of the mounting tube away from the rib.