A miniature handpiece and dental handpiece applying the same

Abstract

The utility model discloses a kind of micro handpiece and dental handpiece applied to it, micro handpiece includes handpiece shell, machine core subassembly, press cover subassembly, pin clamping subassembly and needle, still include first air inlet passage, second air inlet passage, waterway passage and atomizing nozzle, atomizing nozzle is installed in handpiece shell and located at the bottom of machine core subassembly, atomizing nozzle includes first step structure and second step structure sequentially arranged along height direction, first step structure and handpiece shell are enclosed and form water tank with the output end of waterway passage being communicated, second step structure and handpiece shell are enclosed and form air tank with the output end of second air inlet passage being communicated, the bottom of atomizing nozzle is provided with multiple spray holes, spray hole is communicated with air tank and water tank. Dental handpiece applies the above micro handpiece. This micro handpiece not only has multi-point water mist atomization function, cooling effect is good, still has the advantages that overall volume is small, doctor's operation is more comfortable etc.

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