JPS58191405U - directional valve - Google Patents
directional valveInfo
- Publication number
- JPS58191405U JPS58191405U JP8938182U JP8938182U JPS58191405U JP S58191405 U JPS58191405 U JP S58191405U JP 8938182 U JP8938182 U JP 8938182U JP 8938182 U JP8938182 U JP 8938182U JP S58191405 U JPS58191405 U JP S58191405U
- Authority
- JP
- Japan
- Prior art keywords
- directional control
- valve
- control valve
- pump line
- supplied
- 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
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案に係る方向切換弁の一実施例を示す断面
図、第２図は第１図に示す方向切換弁の回路図、第３図
は第１図に示すチェック弁の拡大断面図である。
２〜４・・・・・・方向切換弁、５・・・・・・端板、
２ａ〜５ａ・・・・・・ハウジング、１０・・・・・・
チェック弁、１０ａ・・・・・・絞り部、１１・・・・
・・弁体、１２・・・・・・スプリング、Ｐ・・・・・
・ポンプライン、Ｔ・・・・・・タンクライン、Ｎ・・
・・・・ニュートラルライン、ＰＭ・・・・・・ポンプ
。Fig. 1 is a sectional view showing an embodiment of the directional control valve according to the present invention, Fig. 2 is a circuit diagram of the directional control valve shown in Fig. 1, and Fig. 3 is an enlarged cross-section of the check valve shown in Fig. 1. It is a diagram. 2 to 4... Directional switching valve, 5... End plate,
2a-5a...Housing, 10...
Check valve, 10a... Throttle part, 11...
... Valve body, 12 ... Spring, P ...
・Pump line, T...tank line, N...
...Neutral line, PM...Pump.
Claims (1)
され下流側の方向切換弁のみの単独操作時にはニュート
ラルライン及びポンプラインから、上流側の方向切換弁
と同時操作時にはポンプラインから作動油が当該下流側
の方向切換弁に供給されるスタック形の方向切換弁にｉ
いて、隣接する所定の方向切換弁のハウジング内に連通
形成されたポンプラインに絞り部を有するチェック弁を
配設し、該チェック弁の弁体を上流側の方向切換弁のポ
ンプラインのスタック面に形成された弁座に当接させ、
下流側の方向切換弁のポンプラインのスタック面を前記
弁体のストッパとしたことを特徴とする方向切換弁。, A plurality of directional control valves are combined in a stacked structure, and when only the downstream directional control valve is operated independently, the hydraulic oil is supplied from the neutral line and the pump line, and when the upstream directional control valve is operated simultaneously, the hydraulic oil is supplied from the pump line. i to the stack type directional control valve that is supplied to the downstream directional control valve.
A check valve having a constriction part is disposed in a pump line that communicates with the housing of an adjacent predetermined directional control valve, and the valve body of the check valve is connected to the stack surface of the pump line of the upstream directional control valve. abut against the valve seat formed in the
A directional switching valve characterized in that a stack surface of a pump line of a downstream directional switching valve is used as a stopper of the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8938182U JPS58191405U (en) | 1982-06-15 | 1982-06-15 | directional valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8938182U JPS58191405U (en) | 1982-06-15 | 1982-06-15 | directional valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58191405U true JPS58191405U (en) | 1983-12-20 |
Family
ID=30098002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8938182U Pending JPS58191405U (en) | 1982-06-15 | 1982-06-15 | directional valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58191405U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11270504A (en) * | 1998-03-24 | 1999-10-05 | Shin Caterpillar Mitsubishi Ltd | Hydraulic circuit |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4529990Y1 (en) * | 1966-07-05 | 1970-11-17 |
-
1982
- 1982-06-15 JP JP8938182U patent/JPS58191405U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4529990Y1 (en) * | 1966-07-05 | 1970-11-17 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11270504A (en) * | 1998-03-24 | 1999-10-05 | Shin Caterpillar Mitsubishi Ltd | Hydraulic circuit |
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