Low pressure guide rail head

The utility model discloses a low-voltage guide rail head. The low-voltage guide rail head comprises a box body and a ball fixing buckle, mounting holes are symmetrically formed in the box body and located in the side walls of the left side and the right side of the end of the box body. The ball fixing buckle comprises a pipe body inserted into the mounting hole, a ball facing the outer side is rotationally mounted at the end part of one end of the pipe body, and a spring is mounted in an inner cavity of the pipe body and is closed through a screw; when the low-pressure guide rail head is installed, the box body is pressed into the guide rail, the ball in the ball fixing buckle rolls along the inner wall of the guide rail in the pressing process and internally presses the spring in the inner cavity of the pipe body, the ball is tightly pressed on the inner wall of the guide rail by the elastic force of the spring after being installed in place, and the ball still rolls along the innerwall of the guide rail du