JPS6450809U - - Google Patents
Info
- Publication number
- JPS6450809U JPS6450809U JP14623087U JP14623087U JPS6450809U JP S6450809 U JPS6450809 U JP S6450809U JP 14623087 U JP14623087 U JP 14623087U JP 14623087 U JP14623087 U JP 14623087U JP S6450809 U JPS6450809 U JP S6450809U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- air
- air supply
- exhaust
- handpiece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000011109 contamination Methods 0.000 claims 4
- 230000002265 prevention Effects 0.000 claims 2
- 238000001816 cooling Methods 0.000 claims 1
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000005507 spraying Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案装置の一実施例を示すエアー切
換回路図、第２図は本考案装置における前記回路
構成部分を透視して示す平面図、第３図は同じく
下側面図、第４図は右側面図を示し、第５図は本
考案装置を適用するハンドピースの先端構造部を
示す縦断面図である。
〔符号の説明〕、１……ハンドピース先端、２
……空気受け羽根、３……給気パイプ、４……排
気パイプ、５……切削具、６……水パイプ、７…
…チツプエアーパイプ、１０……ドライブエアー
回路、１１……チツプエアー回路、１２……低圧
エアー回路、１３……エアースイツチ、１４……
流量調整用絞り、１５……給気用シヤトル弁、１
７……チツプエアー用シヤトル弁、１９……排気
用三方弁、２２……ハンドピース、Ｕ１，Ｕ２…
…単位構造体。
FIG. 1 is an air switching circuit diagram showing an embodiment of the device of the present invention, FIG. 2 is a plan view showing the circuit components of the device of the present invention, FIG. 3 is a bottom side view, and FIG. 5 shows a right side view, and FIG. 5 is a longitudinal sectional view showing the tip structure of the handpiece to which the device of the present invention is applied. [Explanation of symbols], 1...Handpiece tip, 2
... Air receiving blade, 3 ... Air supply pipe, 4 ... Exhaust pipe, 5 ... Cutting tool, 6 ... Water pipe, 7 ...
... Chip air pipe, 10 ... Drive air circuit, 11 ... Chip air circuit, 12 ... Low pressure air circuit, 13 ... Air switch, 14 ...
Throttle for flow rate adjustment, 15...Shuttle valve for air supply, 1
7... Shuttle valve for tip air, 19... Three-way valve for exhaust, 22... Hand piece, U 1 , U 2 ...
...Unit structure.
Claims (1)
と冷却用注水回路及びその噴霧用チツプエアー回
路とを備えたハンドピース作動機構において、第
３の低圧エアー回路を設け、一端に高圧のドライ
ブエアー回路を接続し他端に前記低圧エアー回路
を接続した給気用シヤトル弁を介して前記給気回
路への送気回路を切換可能に構成し、前記ドライ
ブエアー回路と低圧エアー回路とを両端のパイロ
ツト圧受け口に接続したフリーピストン構造から
なる排気用三方弁を介して前記排気回路の送排切
換を可能に構成すると共に、一端に前記チツプエ
アー回路を接続し他端に前記低圧エアー回路を接
続したチツプエアー用シヤトル弁を介して該チツ
プエアー回路への送気回路を切換可能に構成し、
かつ、これら等弁構造部及びその切換回路の主要
部を単一ユニツト内に一体的に構成してなること
を特徴とするハンドピースにおける内部汚染防止
装置。 (2) 前記給気用シヤトル弁に向う低圧エアー回
路中に送気量調整用絞りを配在せしめてなる実用
新案登録請求の範囲第１項記載のハンドピースに
おける内部汚染防止装置。 (3) 前記低圧エアー回路がエアー開閉スイツチ
を有してなる実用新案登録請求の範囲第１項記載
のハンドピースにおける内部汚染防止装置。 (4) 前記単一ユニツトを二連装構成してなる実
用新案登録請求の範囲第１項記載のハンドピース
における内部汚染防止装置。[Claims for Utility Model Registration] (1) In a handpiece operating mechanism equipped with an air supply circuit for an air turbine, an exhaust circuit thereof, a water injection circuit for cooling, and a tip air circuit for spraying, a third low pressure air circuit is provided. , an air supply circuit configured to be switchable to the air supply circuit through an air supply shuttle valve having one end connected to the high pressure drive air circuit and the other end connected to the low pressure air circuit; The exhaust circuit is configured to be able to be switched between supply and exhaust through a three-way exhaust valve having a free piston structure in which the low-pressure air circuit is connected to pilot pressure ports at both ends, and the chip air circuit is connected to one end and the other end is connected to the exhaust circuit. An air supply circuit to the chip air circuit is configured to be switchable via a chip air shuttle valve connected to the low pressure air circuit,
An internal contamination prevention device for a handpiece, characterized in that the valve structure and the main parts of its switching circuit are integrated into a single unit. (2) The device for preventing internal contamination in a handpiece as set forth in claim 1, wherein a throttle for adjusting the air supply amount is disposed in the low-pressure air circuit toward the air supply shuttle valve. (3) An internal contamination prevention device for a handpiece according to claim 1, wherein the low-pressure air circuit has an air on/off switch. (4) The device for preventing internal contamination in a handpiece according to claim 1, which is constructed by configuring the single unit as two units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14623087U JPH0416656Y2 (en) | 1987-09-25 | 1987-09-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14623087U JPH0416656Y2 (en) | 1987-09-25 | 1987-09-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6450809U true JPS6450809U (en) | 1989-03-29 |
| JPH0416656Y2 JPH0416656Y2 (en) | 1992-04-14 |
Family
ID=31415524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14623087U Expired JPH0416656Y2 (en) | 1987-09-25 | 1987-09-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0416656Y2 (en) |
-
1987
- 1987-09-25 JP JP14623087U patent/JPH0416656Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0416656Y2 (en) | 1992-04-14 |
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