Patent ID: 7128590

Claim:
A signal connector, comprising: a hollow casing having a first hole and a second hole; an electronic connector received in the casing and having a conductive body, the electronic connector having an end protuding out of the casing through the first hole to connect to an electronic circuit and having another end received in the casing to electronically connect to a first terminal or a second terminal; an insulation piston disposed in the casing and having a through hole receiving the conductive body of the electronic connector, the piston being T-like in horizontal cross-section view and having a first terminal face and a second terminal face in vertical cross-section view; the first terminal having an end protuding out of the casing to electrically connect to a first signal source and another end received in the casing and the first terminal having a resilient body in the casing, the resilient body having a first resilient piece and a second resilient piece, the first resilient piece being made of conductive material and separably abutting on to the conductive body of the electronic connector to form an electrical connection therebetween, the second resilient piece abutting on to the first terminal face so that the insulation piston will not randomly move and that electrical connection between the first resilient piece and the conductive body of the electronic connector is not reversedly affected; the second terminal joint having a second terminal made of conductive material and the second terminal joint having another end so pulled to connect to a second signal source; and wherein when the second terminal joint is inserted into the casing through the second hole of the casing, the second terminal and the electronic connector are electrically connected, and the insulation piston is so pushed backward that the second terminal face of the insulation piston abuts on to the first resilient piece to push the first resilient piece away from the conductive body of the electronic connector so as to break up the electrical connection therebetween.