| 摘要 |
The present invention relates to a valve driving device. More specifically, the valve driving device is capable of opening and closing a valve. According to the present invention, the valve driving device comprises: a lower case where a coupling member is installed; a guide protrusion protruding from the lower case; a circuit substrate where a pair of limit switches and a signal cable are installed; an upper case coupled with the lower case, where an elongated hole and the coupling hole are formed on one upper side; a rotation flange where a driving gear is formed in a coupling unit and the outside of a center portion, female threads are formed in a lower end, and a knob coupling groove is formed in the upper portion; a manual lever where the lower side of a lever body is coupled to a protrusion unit of the rotation flange; a motor installed on one side of the upper case; a transmission gear installed in a shaft of the motor and connected with the driving gear; and a push coupled to the female threads of the lower end of the rotation flange to come in contact with a valve body. |
