Automatic screw dop of adjusting screw

The utility model provides an automatic screw dop of adjusting screw, its left side, the butt clamp facial features of right side dop is mutual closed, the chuck device top is access to in the secondchannel export, a left side, the inside wall of right side dop is provided with accommodation space, be provided with an at least two -stage elasticity orientation perpendicular to center line of thechannel in the accommodation space, the left side of subtend laminating under elastic acting force, the right side shell fragment, under the shell fragment subtend attachment state at different levels, the medial surface forms the cavity internal channel, a left side at the same level, the right side shell fragment encloses the internal channel that closes and is not less than bottle opener head diameter, and expand in the internal channel middle part and form the correction arch that the through -hole is less than bottle opener head diameter, and can make a left side at the bottle opener headduring through shell fragm