Adjustable periodic lower jaw forward extending and drawing device

The invention discloses an adjustable periodic lower jaw forward extending and drawing device, and particularly relates to an oral cavity orthodontics jawbone orthotic device. The oral cavity orthodontics jawbone orthotic device comprises a bed body, wherein sleeves in symmetric distribution are respectively arranged on two sides of the bed body, a sleeve rod is in sliding connection to the innerpart of each of the sleeves, a right angle bend bar is arranged at one end, away from the corresponding sleeve, of the corresponding sleeve bar, a sliding cylinder is arranged at the top of each rightangle bend bar, a sliding bar is in sliding connection to the inner part of each sliding cylinder, a hanging frame is arranged at the top end of the corresponding sliding bar, and a tying band is arranged between the two hanging frames. The position of the right angle bend bars, the heights of the hanging frames, and the angle of a drawing support rod are regulated, so that the human body can befixed through the tying band, the human body can maintain upright lying-down posture, a lower jar support and drawing bands are assembled, and placed at the lower jaw of the human body, screw rods arerotated to regulate the height of the rotating cylinder, the drawing band is stressed to tense the lower jaw support, the lower jaw of the human body is stressed, an air cylinder is started, the output end of the air cylinder performs reciprocating motion to push a stressing rod, the lower jaw of the human body is periodically drawn, and regulation is convenient. The adjustable periodic lower jawforward extending and drawing device can be suitable for patients of different age ranges to use, and is flexible to operate, and good in drawing effect.