JPH0441167U - - Google Patents
Info
- Publication number
- JPH0441167U JPH0441167U JP8248990U JP8248990U JPH0441167U JP H0441167 U JPH0441167 U JP H0441167U JP 8248990 U JP8248990 U JP 8248990U JP 8248990 U JP8248990 U JP 8248990U JP H0441167 U JPH0441167 U JP H0441167U
- Authority
- JP
- Japan
- Prior art keywords
- spool
- port
- port hole
- sleeve
- housing
- 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
- 238000009792 diffusion process Methods 0.000 description 1
Landscapes
- Details Of Valves (AREA)
- Sliding Valves (AREA)
Description
第１図および第２図は本考案の一実施例に係る
スプールバルブを示すもので、第１図はらせん状
流路を示す部分縦断面図、第２図は全体構成を示
す縦断面図、第３図は本考案と従来例の騒音レベ
ルを示すグラフ、第４図は従来のスプールバルブ
の縦断面図、第５図は第４図のポート穴部の拡大
断面図である。
符号の説明、１……スプールバルブ、２……ハ
ウジング、３……スリーブ、４……スプール、５
……ソレノイド、６……コイル部、７……センタ
ポスト、８，９……第１、第２スプリング、１０
……栓体、１１……第１ポート穴、１２……第２
ポート穴、１３……環状隙間、１４……らせん状
流路、１５……コイルスプリング、４１，４２…
…第１、第２ランド部、４３……小径部、６１…
…中空穴、Ｐ１…流入ポート、Ｐ２……流出ポー
ト、Ａ……キヤビテーシヨン拡散範囲。
1 and 2 show a spool valve according to an embodiment of the present invention, in which FIG. 1 is a partial vertical sectional view showing a spiral flow path, FIG. 2 is a vertical sectional view showing the overall configuration, FIG. 3 is a graph showing the noise levels of the present invention and the conventional example, FIG. 4 is a vertical sectional view of a conventional spool valve, and FIG. 5 is an enlarged sectional view of the port hole portion of FIG. 4. Explanation of symbols, 1...Spool valve, 2...Housing, 3...Sleeve, 4...Spool, 5
... Solenoid, 6 ... Coil section, 7 ... Center post, 8, 9 ... First and second springs, 10
... Plug body, 11 ... First port hole, 12 ... Second port hole
Port hole, 13... Annular gap, 14... Spiral flow path, 15... Coil spring, 41, 42...
...first and second land parts, 43...small diameter part, 61...
...Hollow hole, P1 ...Inflow port, P2 ...Outflow port, A...Cavitation diffusion range.
Claims (1)
プールを摺動自在に挿入し、前記スリーブに前記
スプールによつて絞られるポート穴を設け、一方
、ハウジングには前記スリーブの中心軸方向に前
記ポート穴と所定間隔だけ離した位置に開口する
流出ポートを設け、さらにハウジング内周とスリ
ーブ外周との間には前記ポート穴と流出ポートと
を連通する環状隙間を設けたスプールバルブにお
いて、 前記環状隙間に前記ポート穴と流出ポート間を
結ぶらせん状流路を設けたことを特徴とするスプ
ールバルブ。[Claims for Utility Model Registration] A spool is slidably inserted into an internally hollow housing through a sleeve, and the sleeve is provided with a port hole that is squeezed by the spool, while the housing is provided with a port hole that is squeezed by the spool. A spool having an outflow port that opens at a position spaced apart from the port hole by a predetermined distance in the direction of the central axis, and an annular gap that communicates the port hole and the outflow port between the inner periphery of the housing and the outer periphery of the sleeve. A spool valve, characterized in that a spiral flow path connecting the port hole and the outflow port is provided in the annular gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990082489U JP2541713Y2 (en) | 1990-08-03 | 1990-08-03 | Spool valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990082489U JP2541713Y2 (en) | 1990-08-03 | 1990-08-03 | Spool valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0441167U true JPH0441167U (en) | 1992-04-08 |
| JP2541713Y2 JP2541713Y2 (en) | 1997-07-16 |
Family
ID=31629351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990082489U Expired - Fee Related JP2541713Y2 (en) | 1990-08-03 | 1990-08-03 | Spool valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2541713Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0733968U (en) * | 1993-12-04 | 1995-06-23 | 戸畑鉄工株式会社 | Convector for batch annealing furnace |
| JP2009144824A (en) * | 2007-12-14 | 2009-07-02 | Tlv Co Ltd | Float type steam trap |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7349237B2 (en) * | 2018-09-20 | 2023-09-22 | ナブテスコ株式会社 | Solenoid valves and working machines |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS517529A (en) * | 1974-06-06 | 1976-01-21 | Bendix Corp | Ryutainoryuryoseigyosochi |
| JPS5120235U (en) * | 1974-08-01 | 1976-02-14 |
-
1990
- 1990-08-03 JP JP1990082489U patent/JP2541713Y2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS517529A (en) * | 1974-06-06 | 1976-01-21 | Bendix Corp | Ryutainoryuryoseigyosochi |
| JPS5120235U (en) * | 1974-08-01 | 1976-02-14 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0733968U (en) * | 1993-12-04 | 1995-06-23 | 戸畑鉄工株式会社 | Convector for batch annealing furnace |
| JP2009144824A (en) * | 2007-12-14 | 2009-07-02 | Tlv Co Ltd | Float type steam trap |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2541713Y2 (en) | 1997-07-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |