JPH0450013U

JPH0450013U -

Info

Publication number: JPH0450013U
Application number: JP9294890U
Authority: JP
Priority date: 1990-09-03
Filing date: 1990-09-03
Publication date: 1992-04-27

Description

[Brief explanation of the drawing]

第１図は、外側ケースと内側ケースとの間の空
隙部に、給水管と給気管とを挿通する本考案のハ
ンドピース用の駆動モータの断面図を、第２図は
、同図ａに、照明用ライトガイド及び同図ｂに、
照明ランプ用電線を挿通する場合のモータの断面
図を、第３図は、当該空隙部に水又は空気を循環
流通させる場合のモータの断面図であつて、同図
ａ，ｂには、外側ケースの内面図と断面図をそれ
ぞれ示す。符号の説明、１……駆動モータの回転子、１４
……モータ部の先端部、１４１……先端部基部、
１５……モータ部の後部、１６……継手管部、２
１……内側ケース、２２……外側ケース、２３…
…空隙部、３……給水管、４……給気管、５……
照明用ライトガイド、５１……照明用ランプ、５
２……照明ランプ用電線、６０……供給管、６１
……排出管、７……Ｏリング、７１……凹状溝。 Figure 1 is a cross-sectional view of the drive motor for the handpiece of the present invention, which inserts a water supply pipe and an air supply pipe into the gap between the outer case and the inner case, and Figure 2 is a cross-sectional view of the drive motor for the handpiece of the present invention. , the illumination light guide and the same figure b,
Figure 3 is a cross-sectional view of the motor when an electric wire for a lighting lamp is inserted through it, and Figure 3 is a cross-sectional view of the motor when water or air is circulated through the gap. An internal view and a sectional view of the case are shown, respectively. Explanation of symbols, 1... Rotor of drive motor, 14
...Tip of the motor part, 141...Tip base,
15... Rear part of the motor part, 16... Joint pipe part, 2
1...Inner case, 22...Outer case, 23...
...Gap, 3...Water supply pipe, 4...Air supply pipe, 5...
Illumination light guide, 51...Illumination lamp, 5
2... Electric wire for lighting lamp, 60... Supply pipe, 61
...Discharge pipe, 7...O ring, 71...Concave groove.

Claims

[Scope of Claim for Utility Model Registration] 1. A casing for a dental handpiece drive motor consisting of an inner case that covers the drive motor body and an outer case that covers and covers the inner case: A gap provided between the outer circumferential surface of the outer case and the inner circumferential surface of the outer case is sealed by the outer case, and the gap is provided with a water supply pipe, an air supply pipe, a light guide for lighting, or a light guide for lighting lamps. A casing for a dental handpiece drive motor, characterized in that one or more tube bodies made of a combination of electric wires are inserted therethrough. 2. In a dental handpiece drive motor casing consisting of an inner case that covers the drive motor body and an outer case that covers and covers the inner case, the outer peripheral surface of the inner case and the outer case A gap provided between the motor body and the inner peripheral surface is sealed by the outer case, and water or air is circulated or passed through the gap to cool the motor body. A casing for a dental handpiece drive motor, characterized in that the casing is in communication with a supply pipe and a discharge pipe from the rear of the motor. 3. In a dental handpiece drive motor casing consisting of an inner case that covers the drive motor body and an outer case that covers and covers the inner case, the outer peripheral surface of the inner case and the outer case A gap provided between the outer case and the inner circumferential surface is sealed by the outer case, and the gap is filled with one or two of the combinations of a water supply pipe, an air supply pipe, and an illumination light guide or illumination lamp electric wire. The above-mentioned pipe body is inserted, and the gap communicates with a supply pipe and a discharge pipe from the rear of the motor body so that water or air is circulated or distributed to cool the motor body. A casing for a dental handpiece drive motor, characterized by: 4. The dental hand according to claim 1, 2 or 3, wherein the outer case or the motor body is provided with an easy attachment/detachment mechanism so that the outer case can be easily detached and covered with the inner case. Piece drive motor casing. 5. The dental handpiece drive motor casing according to claim 1, 2 or 3, wherein the outer case is made of a material that is easily sterilized.