Disposable high-speed turbo dental-drill hand set

Abstract

The invention discloses a disposable high speed turbine dental drill handpiece which comprises a head and a handle, wherein, the head consists of a head shell, a connecting shaft impeller in the head shell and a rolling bearing arranged between the connecting shaft impeller and the head shell; an aqueous vapor channel in the handle leading to the rolling bearing at the head is common steel material; the head shell, the connecting shaft impeller and the handle are plastic; the rolling bearing comprises an upper rolling bearing and a lower rolling bearing, wherein, the outer surface of the upper rolling bearing is a pyramidal structural surface; a gasket is arranged between the pyramidal structural surface of the upper rolling bearing and a inverted pyramidal structural surface of the head shell; the structure of the corresponding lower rolling bearing, the gasket and the head shell is symmetrical with the structure of the upper rolling bearing; the head shell is cemented by a head shell body and a head shell cover; the physical neck of the head shell body is internally provided with an air intake channel and a return air channel which lead to the interior of the head shell and is also provided with a water spraying channel leading to the lower part of the head; the tail end of the handle is an aqueous vapor quick-connect plug; the physical neck of the head shell body is cemented with the head end of the physical handle; the air intake channel, the return air channel and the water spraying channel in the physical neck of the head shell body and the head end of the physical handle are correspondingly communicated with each other. The disposable high speed turbine dental drill handpiece lowers cost.

Description

[0001] Technology fields: [0002] This product belongs to the hand-held equipment for drilling and grinding teeth in medical treatment, specifically a disposable high-speed turbine dental drill handpiece. Background technique: [0003] The comprehensive oral treatment machine used by dentists is composed of air compressors, air supply systems, water supply systems, high-speed turbine handpieces and other components, and high-speed turbine handpieces are mainly composed of machine heads, handles, and machine connectors. The rotor is the core part of the machine head, which is composed of a bearing, a wind wheel and a mandrel. The rotating principle of the mobile phone is to use the flowing compressed air to exert pressure on the wind wheel blades, push the blades, and make the wind wheel rotate at a high speed. Its high and balanced number of revolutions and strong cutting and drilling force can reduce the pain of patients and the labor intensity of dentists and improve work e...

AI Technical Summary

Problems solved by technology

[0010] The purpose of the present invention is to solve the complex structure of the head of the disposable dental drill handpiece in the prior art, and provide a head with a simple structure. Another purpose is to avoid the inherent defects of the empty pipe handle and provide a , cheap disposable dental drill handpiece

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