| 摘要 |
An automatic opening device of a refrigerator door is provided to improve convenience of a user by opening completely the door rapidly and successively after sensing the user when the user tries to open the door. An automatic opening device(100) of a refrigerator door includes a base plate(110), a driving motor(120), a driving gear(140), a first opening unit(200), a second opening unit(300), a torque transmitting member(410), and a control part. The base plate is installed an upper part of the refrigerator. The driving motor is mounted on the base plate. The driving gear delivers torque of the driving motor. The first opening unit includes a driven gear(210), a first pulley, a first cam, a first push member, and a spring. The driven gear receives the torque. The first pulley is rotated with the driven gear. The first cam is formed on an upper part of the first pulley. The first cam is rotated with the first pulley. The spring restores the first push member to an initial location. The first opening unit includes a second pulley(320), a second cam(330), a second push member(350), and a spring(360). The second pulley is installed at the base plate rotatably. The control part controls driving of the driving motor. |
