Patent ID: 8051500

Claim:
A safety helmet visor setting mechanism, comprising: a.) a shell having a shaft base inside at each of two sides, with one side being provided with a shell base, where the shell base is provided with an internal lodging space and with an external wall; b.) a control mechanism located at the one side of said shell and having a knob for turning and driving an actuating element linking a handle to rotate a displacement, wherein the knob and the actuating element are provided with a fixed dish in between, with the fixed dish and the actuating element provided with corresponding oblique chunks and sliders in between, with the fixed dish and the handle provided with corresponding clasp segments and lumps; c.) a joint mechanism set up on the shaft base of each side of said shell and comprising a first visor joint and a second visor joint, with the first and second visor joints being provided with hollows, wherein the first visor joint and the handle of said control mechanism are linked by a rod; and d.) a visor having a clasp slice at each of both sides for insertion into the hollow of the corresponding visor joint; wherein through adjustment of the knob of said control mechanism, the actuating element and the handle are driven for carrying out a rotational displacement and, through the handle, simultaneously driving the first visor joint of said joint mechanism for the rotational displacement, to control lifting and lowering of said visor.