Patent ID: 8240899

Claim:
A controlling device for a headlamp's high and low beam comprising: a fixing plate having opposite ends respectively formed with a positioning member, said positioning members respectively bored with a positioning hole, said fixing plate having an upper edge disposed with a notch; a valve seat secured at one side of said fixing plate, said valve seat installed with an electromagnetic valve in an interior, said valve seat having a topside bored with a through hole communicating with a center of said electromagnetic valve, a valve rod inserted through said through hole of said valve seat and in the center of said electromagnetic valve, a spring fitted around said valve rod; a light-obstructing plate actuated to cover said notch of said fixing plate; and, characterized by said valve seat having two sides of a topside respectively and oppositely provided with a pivotal member bent upward and bored with a pivotal hole, said valve rod having an upper side assembled with a connecting plate with a slide groove, said light-obstructing plate pivotally combined with both said pivotal plate of said valve seat and said connecting plate of said valve rod, said light-obstructing plate oppositely provided with two protruding pivotal plates at a lower central location and each said pivotal plate having a pivotal hole, a pivot inserted in both said pivotal holes of said pivotal plates and said slide groove of said connecting plate, said light-obstructing plate further having lower opposite ends respectively and oppositely formed with a pivotal member with a pivotal hole, another pivot inserted in both said pivotal hole of said pivotal member and said pivotal hole of said pivotal plate of said valve seat.