Operating control handle of fiberscope

The utility model relates to an operation control handle of a fiberscope, and belongs to the field of medical instruments. A ball head shell is connected with one end of a handle shell, the other end of the handle shell is connected with one end of a three-way shell, the other end of the three-way shell is connected with a connecting nut, a conical sleeve is installed on the connecting nut, an inserting pipe penetrates through the conical sleeve, and a suction connector is arranged on the ball head shell. The suction mechanism is mounted on the suction joint; the suction mechanism comprises a valve seat, a valve rod, a button nut, a spring abutting sleeve, a spring, a suction pipe and a valve cavity, the valve seat is installed on the suction connector, the valve cavity is formed in the valve seat, the suction pipe is arranged on the valve seat, the suction pipe is communicated with the valve cavity, the valve rod is arranged in the valve cavity, the button nut is arranged on the valve rod, and the spring abu