Measuring instrument with coaxial light source

Abstract

The utility model relates to the technical field of measuring instruments, in particular to a measuring instrument with a coaxial light source, which comprises a measuring instrument body, the measuring instrument body comprises a rack and a scanning mechanism, a camera end is arranged at the bottom end of the scanning mechanism, a limiting frame is arranged at the camera end, a switching sliding block is arranged below the limiting frame, and a pair of observation windows is arranged below the switching sliding block. Lighting lamps are uniformly arranged around one observation window, a coaxial light source structure is arranged on the lower side of the other observation window, a stepping lead screw motor is arranged on one side of the limiting frame, a rotating lead screw is arranged in the stepping lead screw motor, a storage frame is arranged on the rack, a telescopic rod is arranged in the storage frame, a connecting plate is arranged at one end of the telescopic rod, a pair of gears is arranged on the connecting plate, and clamping jaws are arranged on the side faces of the gears. A rack is arranged at the output end of the miniature telescopic rod. The utility model solves the problems that the conventional quadratic element measuring instrument is inconvenient to measure the size of a transparent or highly reflective workpiece, generally does not have a flaw detection function, and is inconvenient to fix the positions of workpieces such as screws, pin shafts and the like.

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