Safety elevator

The utility model relates to an elevator technical field especially relates to a safety elevator. Including the car and the well of car operation, its characterized in that: the car is including folding lateral wall, fold lateral wall in sedan -chair door both sides connection at the bottom of the sedan -chair top and sedan -chair of car, make sedan -chair top with at the bottom of the sedan -chair can the drive of folding lateral wall is close to each other down or is kept away from. When anxious the weight takes place for the elevator, folding lateral wall is close to at the bottom of driving sedan -chair top and sedan -chair each other: it in the length of direction of falling, has reduced the possibility of impacting the well bottom to have shortened elevator car on the one hand, on the other hand for elevator car has obtained the extension at the ascending width in perpendicular to elevator operation side, makes the both sides wall of car can be directly and the contact of the inner wall of well, ends th