JPH0462978U - - Google Patents
Info
- Publication number
- JPH0462978U JPH0462978U JP10488890U JP10488890U JPH0462978U JP H0462978 U JPH0462978 U JP H0462978U JP 10488890 U JP10488890 U JP 10488890U JP 10488890 U JP10488890 U JP 10488890U JP H0462978 U JPH0462978 U JP H0462978U
- Authority
- JP
- Japan
- Prior art keywords
- block
- valve
- directional control
- control valve
- spool
- 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
- 239000012530 fluid Substances 0.000 claims 2
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Fluid-Driven Valves (AREA)
Description
第1図は本考案の1実施例の方向切換弁の断面
図、第2図は第1図において、パイロツト操作時
の動作を説明する方向切換弁の断面図、第3図は
第1図において、手動操作時の動作を説明する方
向切換弁の断面図である。
1……バルブブロツク、1a,1b,1c……
接続口、2……操作ブロツク、2a……中央孔、
2b……接続口、2c……挿入口、3……パツキ
ン、4……スリーブ、5……スペーサ、6……キ
ヤツプ、7……ストツプリング、8……スプール
、8a……切欠部、9……ばね、10……手動操
作ピン、10a,10b……切欠部、11……摘
み、12……ボール、13……ばね。
Fig. 1 is a sectional view of a directional control valve according to an embodiment of the present invention, Fig. 2 is a sectional view of the directional control valve shown in Fig. 1 to explain the operation during pilot operation, and Fig. 3 is a sectional view of the directional control valve in Fig. 1. FIG. 2 is a cross-sectional view of the directional switching valve for explaining the operation during manual operation. 1... Valve block, 1a, 1b, 1c...
Connection port, 2...operation block, 2a...center hole,
2b... Connection port, 2c... Insertion port, 3... Packing, 4... Sleeve, 5... Spacer, 6... Cap, 7... Stop ring, 8... Spool, 8a... Notch, 9... ...Spring, 10...Manual operation pin, 10a, 10b...Notch, 11...Knob, 12...Ball, 13...Spring.
Claims (1)
体の方向を切換える方向切換弁において、バルブ
ブロツクに設けた複数の接続口を、操作ブロツク
に供給されるパイロツト圧及びばねにより前記バ
ルブブロツクに設けたスプールを駆動して前記圧
力流体を切換えるとともに、前記操作ブロツクに
前記スプールを駆動する摘みを固着し手動操作ピ
ンを設けたことを特徴とする方向切換弁。 2 前記手動操作ピンは前記パイロツト圧により
元の位置に戻すことができるように構成したこと
を特徴とする請求項1記載の方向切換弁。[Claims for Utility Model Registration] 1. In a directional control valve that switches the direction of pressurized fluid supplied to at least one connection port, a plurality of connection ports provided in the valve block are connected to pilot pressure and spring pressure supplied to the operation block. The directional switching valve is characterized in that a spool provided on the valve block is driven to switch the pressure fluid, and a knob for driving the spool is fixed to the operation block and a manual operation pin is provided. 2. The directional control valve according to claim 1, wherein the manual operation pin is configured to be able to be returned to its original position by the pilot pressure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10488890U JPH0462978U (en) | 1990-10-04 | 1990-10-04 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10488890U JPH0462978U (en) | 1990-10-04 | 1990-10-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0462978U true JPH0462978U (en) | 1992-05-28 |
Family
ID=31850339
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10488890U Pending JPH0462978U (en) | 1990-10-04 | 1990-10-04 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0462978U (en) |
-
1990
- 1990-10-04 JP JP10488890U patent/JPH0462978U/ja active Pending