Visual inspection device with replaceable light source

The visual inspection device with the replaceable light source comprises a display screen and a fixing bolt, a connecting wire is arranged at one end of the outer wall of the outer portion of the display screen, and a supporting device is installed on the outer wall of the outer portion of the connecting wire. According to the visual inspection device with the replaceable light source, the placement device, the mounting block and the telescopic rod are arranged; in the use process, the placement device is arranged, so that a user can conveniently move the placement platform up and down according to objects with different heights; the use limitation of the placement device is reduced; enhancing its versatility, the height of the placing device can be conveniently adjusted by pulling the telescopic rod upwards or downwards; secondly, the placing device is fixed by rotating a fixing bolt, the operation is simple and convenient, and the placing device can be rotated by arranging a mountingblock and a movable shaf