Robot for security patrol

The invention provides a robot for security patrol. The robot comprises a mounting seat, an alarm and a switch button, wherein the mounting seat is fixed at the upper end of the ring-shaped side surface of a camera, the alarm is mounted at the upper end of the mounting seat, the switch button is mounted on the right end surface of the mounting seat and electrically connected with the alarm, a fixed ring is mounted on the ring-shaped side surface of the camera on the right side of the mounting seat, the left end surface of the fixed ring penetrates through the fixed ring, a push block is fixedon the left end surface of the guide rod located on the regular right of the switch button, the right end of the guide rod penetrates through the fixed ring and is connected to the left end surface ofa moving sleeve, a spring I is mounted on the ring-shaped side surface of the guide rod in a sleeving manner, the left end of the spring I is welded on the right end surface of the fixed ring, the right end of the spring I is