Press-fit pin for use in a printed circuit board

H - Electricity – 01 – R

Patent

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Details

H01R 13/42 (2006.01) H05K 7/10 (2006.01) H05K 7/12 (2006.01)

Patent

CA 2215877

Disclosed is an improvement in a press-fit pin 1 having an elastically deformable area 6 to be press-fitted in a selected through hole in a printed circuit board, the elastically deformable area 6 comprising two parallel, opposite beams 8 connected by an connecting deformable bridge 9, thereby permitting the outer corners 8a of each beam 8 to engage the inner wall of the plated through hole while permitting the connecting deformable bridge 9 to be deformed. The connecting deformable bridge 9 comprises, in cross-section, an connecting flat section 10 extending perpendicular to the opposite beams 8, and two oblique sections 11 extending outward from the opposite ends of the upper flat 10a of the connecting flat section 10 to be contiguous to the opposite beams 8. The press-fit pin has such an connecting flat section in its pressure-deformable area in place of the "V"-shaped area of a conventional press-fit pin, thus eliminating the necessity of forming acute angles in the die-and-punch.

Présentation d'une broche à insérer à la force améliorée (1) possédant une zone à déformation élastique (6) devant être insérée à la force dans un trou sur une carte de circuits imprimés. La zone à déformation élastique (6) comprend deux montants opposés (8) reliés par un pont déformable (9), qui permettent aux coins extérieurs (8a) de chaque montant (8) d'être en contact avec la paroi intérieure du trou traversant lamé tout en permettant la déformation du pont (9). Le pont déformable (9) comprend, en coupe, une section de connexion plate (10) qui s'étend perpendiculairement aux montants opposés (8), et deux sections obliques (11) qui pointent vers l'extérieur à partir des extrémités opposées de la partie plate (10a) de la section de connexion plate (10) pour être adjacent aux montants opposés (8). La broche à insérer à la force possède une telle section de connexion plate dans sa zone de déformation par pression au lieu de la zone en forme de V d'une broche à insérer à la force ordinaire, ce qui évite d'avoir à former des angles aigus dans la matrice et le poinçon.

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