Post insulator convenient to install

The utility model relates to the field of insulators, and discloses a post insulator convenient to install, comprising a chassis and a post, the front and rear ends of the upper end surface of the outer wall of the chassis and the middle parts of the two sides are provided with fixing holes, the two sides of the outer wall of the chassis close to the upper end are provided with a plurality of fixing grooves, and the outer wall of the post close to the upper end is fixedly sleeved with four umbrella skirts. A steel cap is fixedly arranged at the center of the upper end face of the umbrella skirt close to the upper end in the four umbrella skirts, a clamping mechanism is fixedly arranged at the center of the inner wall of the steel cap, and the clamping mechanism comprises an extrusion plate, four sliding bearings, two bolts, four locking claws, four supporting rods and two U-shaped grooves. And placing grooves are formed in two sides of the lower end surface of the outer wall of the support column. According t