A CONTROL TORQUE DEVICE FOR ELECTRIC DRIVER

摘要

The present invention relates to a torque adjusting device of an electric driver for adjusting a torque applied to a bit when fastening a fastening member using an electric driver, and more specifically, a kind of material to which the fastening member is fastened. The torque of the bit can be adjusted arbitrarily according to the range of use of the electric driver.;To this end, the first torque spring 26 and the first washer 27 in the clutch case 24 are installed, and the adjust nut 25 is provided with a first needle roller 31 to be connected to the first washer. As the elastic force of the first torque spring is variable according to the rotation of the adjust nut, a small diameter portion 24a is formed in the clutch case 24, and the second torque connected to the first washer 27 therein. A spring 28 and a second washer 29 are installed in this order, and a small diameter portion 25a and a large diameter portion 25b are formed in the adjust nut 25, and the small diameter portion 25a and the clutch case 24 are formed. In the space between the two) is to be provided with a second needle (31) to be connected to the second washer (29).