Patent ID: 7255595

Claim:
An electrical connection device, comprising: a shell body including a top shell body and a bottom shell body; a position holding bar located in a center of the bottom shell body; a switching device sleeved outside of the position holding bar having two or more concentric circle electric tracks fixed on it to form a fixed touching point; a wire twining device, having a turnplate, a hollow bar on a top surface of the turnplate extending upward, a pair of baffles with a first incline surface are deposited inside the hollow bar, a round ridge is on a lower surface of the turnplate extending downward, two pairs of partial annular ridge are distributed outside the round ridge concentrically, there is a hole at one end of each partial annular ridge, a wire is enlaced on the top surface of the turnplate, an inner end of the wire is pulled through the hole into the partial annular to connect with a tie-in, two ends of the tie-in are bend to form a V shaped lug boss that exposes to outside of the partial annular ridge to form an active touching point, the fixed touching point is corresponding to the active touching point, both keep a moveable electrical connection, a reset spring is fixed in the round ridge, its out end is connected with the round ridge and its inner end is connected with the position holding bar; a position limiting button, having a non-cylinder bar and a pair of position limiting pieces, the upper shell body has a non-cylinder button hole that is corresponding to the shape of the non-cylinder bar, which is inserted into the button hole, a upper surface of the position limiting piece is formed a second incline surface that matched with the first incline surface of the baffle, a spring hole is fixed on the bottom of the position limiting button, a spring is located in the spring hole to support the position holding bar; a wire enter port connected with the fixed touching point and a wire exit port connected with a outer end of the wire.