Tool facilitating installation of sensor

The utility model discloses a tool convenient for installing a sensor, which comprises an outer sleeve, an inner sleeve is sleeved in the outer sleeve, the inner sleeve can be rotatably arranged in the outer sleeve, a fixing square hole for fixing the sensor is arranged in the inner sleeve, fixing teeth are fixedly welded on two sides of one end of the outer sleeve, and the fixing teeth are fixedly welded on two sides of the other end of the outer sleeve. A hexagonal fixing block is fixedly welded to the end, away from the fixing teeth, of the outer sleeve. Compared with the prior art, the tool has the advantages that the gap of the sensor is determined, the sensor is clamped by the inner sleeve, the sensor fixing nut is clamped by the outer sleeve, the inner sleeve is fixed, the sensor fixing nut is fastened by rotating the outer sleeve, and therefore the fixing effect is achieved, the tool is convenient to operate, short in installation time and easy to fasten, and the installation precision can be improved