Extensible bracket for ultrasonic liquid level sensor

The utility model relates to the technical field of design and manufacture of sensor installing and fixing devices, and discloses an extensible bracket for an ultrasonic liquid level sensor, which includes an internal frame, wherein a fixing thread for fixing the liquid level sensor is formed at the top of the internal frame; an external frame is arranged outside the internal frame; a plurality of positioning holes of different heights are formed in the height direction of the internal and the external frames; and positioning bolts are matched with the positioning holes in the internal and the external frames and enable the internal and the external frames to be fixedly connected. According to the utility model, the extensible structure is applied to the design of the ultrasonic liquid level sensor bracket, the detection distance can be adjusted and the bracket size is reduced, so that the defects in the present bracket are overcome.