| 摘要 |
PURPOSE: To provide a door driving device with a locking mechanism for an elevator by which a car door is connectable my means of a connecting mechanism and it is movable in the region of a floor by a door driving part. CONSTITUTION: If an elevator car is situated in the outside of a floor, a car door remains locked, and a control cam 15 mounted at the upper end of a car door leaf is connected articularly with a door driving device by a belted drive means, and it causes a low-jerk opening and closing of a parallelogram transmitting member 18 coupled with the control cam by a pull rod 36. A locking mechanism having an electrical safety contact with the car door latch supported pivotably is arranged on the upper end of the same door leaf in the same manner, and a car door latch 46 is provided with an actuating roller 27, which is actuated by a double lever connected articularly to the parallelogram transmitting member and the control cam for the unlocking when the car is located in the door opening region of a floor. |
