Anti-collision dial indicator

The invention provides an anti-collision dial indicator, which relates to the field of measuring tools for machining and comprises a dial indicator body, a fixing rod and an indicator connector, wherein the dial indicator body comprises a round dial plate, a sleeve and a measuring rod, and the sleeve and the measuring rod are connected to the round dial plate; the fixing rod assembly comprises a straight rod used for being installed on a machine tool spindle, a clamping head, four pieces of long elastic round steel and two large clamping plates; the two large clamping plates are combined into a large cylindrical cavity with the diameter of 8mm; the clamping head is clamped on the sleeve of the dial indicator body; the indicator connector assembly is composed of a connector main body, four short elastic circles and two pieces of small clamping plate steel; and the two small clamping plates, namely, the first small clamping plate and the second small clamping plate are combined to form a small cylindrical cavit