| 摘要 |
PURPOSE: A valve driver increasing a space conjugation rate is provided to reduce noise generated between a cam and an opening and closing unit and to make an assembly structure of a rotary shaft simple. CONSTITUTION: A valve driver comprises a case, a motor(20), a rotary shaft(30), an opening and closing unit(50), a cam(40) and a circuit unit(60). The case comprises an upper case(11) and a lower case(16). A closing unit(12) corresponding to a cutting unit(17) of the lower case is formed behind the upper case. An inserting hole(18) is formed on the lower side of the lower case. The motor is operated with power supplied from the outside and is located inside the case. The rotary shaft is connected to the motor and rotates. The cam is formed on the rotary shaft. |
