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] Technical collar city: [0002] This product belongs to the handheld machinery of medical drilling tooth. Specifically, it is a one -time high -speed turbine drill mobile phone. Background technique: [0003] The dental comprehensive therapy used by a dentist is composed of air compressors, gas supply systems, water supply systems, high -speed turbine phones and other components. High -speed turbine phones are mainly composed of machine heads, handles and machine joints.The rotor is the core part of the head of the machine. It is composed of bearing, wind wheel, and core shaft. The principle of rotation of the mobile phone is to use the flowing air to pressure the wind wheel blades to promote the blades and make the wind wheel rotate at high speed.Its rotation is high and balanced, and the cutting drilling power can reduce the labor intensity of patients and dentists, and improve work efficiency.The second revolution of dental diamonds is also an essential ideal dental devic...

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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