Multi-angle adjustable dental high-speed handpiece

The utility model discloses a dental high-speed handpiece capable of being adjusted at multiple angles. Comprising a machine body, a rotating head, a rotating fixing hole, a positioning pin, a machine head, a machine needle, a connector, a machine head connecting hole, a positioning structure, a positioning pin hole, a special-shaped connecting rod, a machine head positioning hole, a machine body positioning hole, a positioning disc, a second positioning pin, a spring base, a spring, an anti-ejection piece, a button, an air pipe, a water pipe, an air pipe lantern ring, a water pipe lantern ring and a water spraying hole. Compared with the prior art, the mobile phone has the advantages that the head of the working end of the mobile phone is designed to swing and rotate up and down in a multi-angle adjustable manner, so that parts such as tooth adjacent surfaces and lingual surfaces which are difficult to reach can be more easily ground, the operation difficulty and the preparation time of doctors are greatly r