JPH02145376U - - Google Patents
Info
- Publication number
- JPH02145376U JPH02145376U JP5439189U JP5439189U JPH02145376U JP H02145376 U JPH02145376 U JP H02145376U JP 5439189 U JP5439189 U JP 5439189U JP 5439189 U JP5439189 U JP 5439189U JP H02145376 U JPH02145376 U JP H02145376U
- Authority
- JP
- Japan
- Prior art keywords
- spool
- detent mechanism
- main body
- switching valve
- drive unit
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000011888 foil Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
Landscapes
- Preventing Unauthorised Actuation Of Valves (AREA)
Description
第１図は本考案の一実施例であるデテント機構
付き切換弁を示す断面図、第２図は本実施例の切
換弁に用いられるデテント機構を示す断面図、第
３図は第２図の−線における断面図、第４図
は本実施例の切換弁に用いられる他のデテント機
構を示す断面図、第５図は第４図の−線にお
ける断面図である。
１……主弁本体部、２……デテント機構部、３
……左側のパイロツト弁本体部、４……右側のパ
イロツト弁本体部、５……左側のソレノイド部（
駆動部）、６……右側のソレノイド部（駆動部）
、７ａ……入力ポート、７ｂ……第１出力ポート
、７ｃ……第２出力ポート、７ｄ……第１排出ポ
ート、７ｅ……第２排出ポート、８……軸孔、９
……スリーブ、９ａ……Ｏリング、１０……バン
パガイド、１０ａ……バンパ、１１……デテント
本体、１１ａ……鋼球、１１ｂ……板ばね（弾性
体）、１１ｃ……ゴムバンド（弾性体）、１１ｄ
……金属箔、１２……スプール、１２ａ……小径
部、１２ｂ……小径部、１３……流体室、１４…
…バンパガイド、１４ａ……バンパ、１５……流
体室、１６……フラツパ、１６ａ……スプリング
、１７……パイロツト排出ポート、１７ａ……流
通路、１８……手動ボタン、１９……ソレノイド
カバー、２０……フレーム、２１……ソレノイド
コイル、２２……中心孔、２３……固定鉄心、２
４……可動鉄心、２４ａ……スプリング、２５…
…流体室、２６……流通路、２７……流通路、２
８……プランジヤピン。
FIG. 1 is a sectional view showing a switching valve with a detent mechanism which is an embodiment of the present invention, FIG. 2 is a sectional view showing a detent mechanism used in the switching valve of this embodiment, and FIG. 4 is a sectional view showing another detent mechanism used in the switching valve of this embodiment, and FIG. 5 is a sectional view taken along the line - in FIG. 4. 1... Main valve main body part, 2... Detent mechanism part, 3
...Left pilot valve body, 4...Right pilot valve main body, 5...Left solenoid (
Drive unit), 6...Right solenoid unit (drive unit)
, 7a...Input port, 7b...First output port, 7c...Second output port, 7d...First discharge port, 7e...Second discharge port, 8...Shaft hole, 9
... Sleeve, 9a ... O-ring, 10 ... Bumper guide, 10a ... Bumper, 11 ... Detent body, 11a ... Steel ball, 11b ... Leaf spring (elastic body), 11c ... Rubber band (elastic body) body), 11d
...Metal foil, 12...Spool, 12a...Small diameter part, 12b...Small diameter part, 13...Fluid chamber, 14...
...Bumper guide, 14a...Bumper, 15...Fluid chamber, 16...Flapper, 16a...Spring, 17...Pilot discharge port, 17a...Flow path, 18...Manual button, 19...Solenoid cover, 20... Frame, 21... Solenoid coil, 22... Center hole, 23... Fixed iron core, 2
4...Movable iron core, 24a...Spring, 25...
...Fluid chamber, 26...Flow path, 27...Flow path, 2
8...Plunger pin.
Claims (1)
沿つて変位自在に収納されるスプールを有する主
弁本体部と、該主弁本体部に同軸的に結合され、
前記スプールが変位される押圧力を発生する駆動
部と、該駆動部からの押圧力が発生されない状態
において、前記スプールを所定の変位位置に保持
するデテント機構とを備えた切換弁であつて、前
記デテント機構が、複数個の鋼球と該複数個の鋼
球に外接される弾性体とを備え、かつ前記スプー
ルの円周上に該スプールの径方向へ弾性力を持つ
て配設され、前記鋼球が前記弾性体により前記ス
プールの軸心方向に付勢され、前記スプールが該
スプールの小径部の変位位置において保持される
ことを特徴とするデテント機構付き切換弁。 ２ 前記デテント機構が、前記スプールの一端側
のみに配設されることを特徴とする請求項１記載
のデテント機構付き切換弁。[Claims for Utility Model Registration] 1. A main valve main body having an axial hole formed in the main body and a spool displaceably housed along the axial direction of the axial hole, and a main valve main body that is coaxial with the main valve main body. combined with
A switching valve comprising: a drive unit that generates a pressing force to displace the spool; and a detent mechanism that holds the spool at a predetermined displacement position when no pressing force is generated from the drive unit, The detent mechanism includes a plurality of steel balls and an elastic body circumscribed by the plurality of steel balls, and is disposed on the circumference of the spool with an elastic force in the radial direction of the spool, A switching valve with a detent mechanism, wherein the steel ball is urged in the axial direction of the spool by the elastic body, and the spool is held at a displaced position of a small diameter portion of the spool. 2. The switching valve with a detent mechanism according to claim 1, wherein the detent mechanism is disposed only on one end side of the spool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5439189U JPH02145376U (en) | 1989-05-11 | 1989-05-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5439189U JPH02145376U (en) | 1989-05-11 | 1989-05-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02145376U true JPH02145376U (en) | 1990-12-10 |
Family
ID=31576415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5439189U Pending JPH02145376U (en) | 1989-05-11 | 1989-05-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02145376U (en) |
-
1989
- 1989-05-11 JP JP5439189U patent/JPH02145376U/ja active Pending
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