Orientation joint for inclinometer

The utility model discloses a directional joint of inclinometer, comprising an upper joint and an impact bar. The utility model is characterized in that: the upper joint is a cylindrical hollow; the upper end of the upper joint is provided with a buckle; the upper part of the upper joint is provided with a buffer rubber core, and the lower part of the upper joint is provided with the impact bar; a directional sleeve is fixed on the central part of the impact bar, the lower end of the directional sleeve is provided with a tip, the upper end of the directional sleeve is provided with a keyway, the tip and the keyway are connected with an arc, and the lower thread of the impact bar is connected with an impact block. The specific gravity of the total volume is less than one after assembling the utility model and the equipment float so as to enable the instrument and the directional device of the inclinometer arranged in the main body to float on the water.