Observation mirror for electric inspection

The invention discloses an observation mirror for electric inspection. The observation mirror comprises a plane mirror, a view cylinder and an observation cylinder. An intermediate cylinder is arranged between the view cylinder and the observation cylinder. The view cylinder has an L-shaped structure; and the observation cylinder is arranged vertically. An extension cylinder is installed movably in the view cylinder; and a view frame is in threaded connection with one end of the extension cylinder. A push rod motor is welded to the bottom of the view cylinder; a rectangular block is welded tothe bottom of the extension cylinder; an output shaft of the push rod motor is welded to one side of the rectangular block. A limiting block is welded to the top of the view cylinder; a limiting holeis formed in the limiting block; and a limiting rod is installed in the limiting hole in a sliding manner. According to the invention, the observation mirror has high economy and practicability; whenthe space between the view