Arrange overlay type counting currency machine yoke

The utility model relates to a counting currency machine magnetic head structure, especially an arrange overlay type counting currency machine yoke. The distribution of supplementary safety line magnetic head symmetry is in the both sides of main safety line magnetic head, nevertheless not with main safety line magnetic head on same straight line, position that supplementary safety line magnetic head corresponds the face value be face value short distance edge toward interior 10mm -30mm's region, forms fourth region safety line detection structure. Above -mentioned structure through the range of supplementary safety line magnetic head, has realized that the horizontal all -round cover of the bank note space of a whole page detects, and so when using, no matter how the bank note of new edition alternaties the safety line, and perhaps any position increases the safety line, and no matter whether the prefix sign indicating number has magnetism can both be detected, includes the bank note of old edition certainly