Lower jaw supporting bracket

The utility model discloses a lower jaw supporting support which comprises two oppositely-arranged supporting rods, a main rotating shaft and a synchronous limiting rod. The tail end of the supporting rod is hinged to the main rotating shaft, and a fixing bolt is arranged at the hinged position. A supporting rod is arranged on the main rotating shaft and is lapped on the synchronous limiting rod; side fixing plates are arranged on the two sides of the main rotating shaft; and grooves for clamping the synchronous limiting rods are formed in the side fixing plates. According to the utility model, the two supporting rods which are oppositely arranged bypass the head from the two sides and extend to the lower jaw position; the lower jaw of the patient can be supported from two sides; and the patient is always kept in a reverse jaw state within a certain time. Therefore, the mandible of the patient is prevented from being lifted manually. The structure of the main rotating shaft and the limiting rod can effectivel