On -vehicle weighing sensor

The utility model discloses an on -vehicle weighing sensor, including the sensor front end, atress end and sensor rear end in the middle of the sensor, the atress end housing is internal the sensor in the middle of installs four foil gages, atress end housing body top is equipped with four load stands in the middle of the sensor, four load stands correspond respectively connects four foil gages, be equipped with the stopper on every load stand, and the other overload protective device that is equipped with of every load stand, the last proximity switch that is equipped with of overload protective device, the overload protective device top is located the stopper under, the bottom of overload protective device bottom mounting atress end in the middle of the sensor, install the alarm in the sensor rear end. Compared with the prior art, the utility model discloses prevent effectively that the sensor from because of transshipping the phenomenon production that destroys, having improved the life of sensor, in addition, overload protective device and the middle atress end bottom contact of sensor can guarantee the overload protection normal clear, improve the overload protection performance.