Ultrasonic ranging device

The utility model relates to an ultrasonic ranging device, including range finding case, telescopic link, base, bracing piece, receiver hole and launch hole, the bracing piece setting sets up the telescopic link at the base middle position in the middle of the bracing piece, and the setting of range finding case is at the bracing piece top, and ultrasonic distance measurement system is put to theincasement of just finding range, sets up launch hole and receiver hole on the range finding case lateral wall, ultrasonic distance measurement system includes control circuit, ultrasonic emission circuit, ultrasonic wave receiving circuit and display circuit, and ultrasonic emission circuit, ultrasonic wave receiving circuit and display circuit are connected with control circuit simultaneously, the utility model discloses a range unit detects accurately, the operation safety and stability. 本实用新型涉及种超声波测距装置，包括测距箱、伸缩杆、底座、支撑杆、接收孔及发射孔，支撑杆设置在底座中央位置，支撑杆中间设置伸缩杆，测距箱设置在支撑杆顶部，且测距箱内置超声波测距系统，测距箱侧壁上设置发射孔和接收孔，所述超声波测距系统包括控制电路、超声波发射电