Patent ID: 7514920

Claim:
A positioning structure of a magnetic induction ruler, comprising: a base formed with a first positioning portion in one end thereof; an induction ruler fixed to the base, one end of the induction ruler being adjacent to the first positioning portion of the base; and a fixing assembly, one end of the fixing assembly being formed with a second positioning portion located correspondingly to the first positioning portion of the base, and the other end of the fixing assembly being formed with a restriction portion located correspondingly to one end of the induction ruler, enabling one end of the induction ruler to be fixed to the base by the pressure of the restriction portion of the fixing assembly; in one end of the base is formed a first positioning portion that is defined with a positioning hole; the induction ruler is rectangular sheet-shaped and includes a magnetic member and two metal members, the metal members are stuck to opposite sides of the magnetic member respectively, the induction ruler is stuck to a top end of a side of the base via one of the metal members, such that one end of the induction ruler is located a distance from the positioning hole of the first positioning portion of the base; and the fixing assembly is rectangular block-shaped, one end of the fixing assembly is formed with a second positioning portion that includes a through hole and a positioning member, the through hole is provided for insertion of the positioning member in such a manner that the positioning member is inserted in the through hole and the positioning hole of the first positioning portion of the base, the other end of the fixing assembly is formed with a restriction portion, the restriction portion is defined with an abutting groove, and one end of the induction ruler is fixed to the base by the pressure of the abutting groove.