Patent ID: 7559810

Claim:
A terminal block structure, comprising: a base provided with at least a terminal recess thereon; a holder disposed inside the terminal recess, having a top surface formed with a platform centrally provided with a through hole, and flanked by two inserts each provided with an engagement portion thereon, wherein one of the inserts is terminally provided with a terminal pin; an inverted U-shaped nut having a top portion formed with a threaded through hole therein, flanked by two wings each provided with an engagement portion corresponding in position to a corresponding one of the inserts, and disposed beneath the holder, wherein the engagement portions of the inverted U-shaped nut are configured to mate and engage with the engagement portions of the holder so as to prevent rotation thereof; and a fastener having a stud provided with a pad above, wherein the stud is configured to penetrate the holder and the inverted U-shaped nut and thereby enable the holder and the inverted U-shaped nut to be fixed in position.