JPS6135272U - Rotary 4-port hydraulic switching valve - Google Patents

Rotary 4-port hydraulic switching valve

Info

Publication number
JPS6135272U
JPS6135272U JP12123984U JP12123984U JPS6135272U JP S6135272 U JPS6135272 U JP S6135272U JP 12123984 U JP12123984 U JP 12123984U JP 12123984 U JP12123984 U JP 12123984U JP S6135272 U JPS6135272 U JP S6135272U
Authority
JP
Japan
Prior art keywords
port
switching valve
hydraulic
rotary
hydraulic switching
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
Application number
JP12123984U
Other languages
Japanese (ja)
Inventor
陽一朗 西
Original Assignee
ヤンマー農機株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ヤンマー農機株式会社 filed Critical ヤンマー農機株式会社
Priority to JP12123984U priority Critical patent/JPS6135272U/en
Publication of JPS6135272U publication Critical patent/JPS6135272U/en
Pending legal-status Critical Current

Links

Landscapes

  • Transplanting Machines (AREA)
  • Taps Or Cocks (AREA)
  • Multiple-Way Valves (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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は切換弁の断面説明図、第２図は同動作説明図、
第３図は油圧回路図、第４図は全体の側面図、第５図は
同平面図、第６図は部分拡大平面図、第７図は同側面図
、第８図は同正面図、第９図乃至第１０図は従来構造の
説明図である。 ２３・・・油圧作動部（油圧シリンダ）、３２・・・油
圧切換弁、３５・・・回転スプール、３５ａ・・・隔壁
部、３５ｂ・・・オーバ）ツプ壁部、３８・・・油圧ポ
ンプ、３９・・・油圧タンク、ｄ１，ｄ２・・・穴径、
Ｗエ，ｗ２・・・巾。Figure 1 is a cross-sectional explanatory diagram of the switching valve, Figure 2 is an explanatory diagram of the same operation,
Fig. 3 is a hydraulic circuit diagram, Fig. 4 is an overall side view, Fig. 5 is a plan view of the same, Fig. 6 is a partially enlarged plan view, Fig. 7 is a side view of the same, Fig. 8 is a front view of the same, FIGS. 9 and 10 are explanatory diagrams of the conventional structure. 23... Hydraulic operation part (hydraulic cylinder), 32... Hydraulic switching valve, 35... Rotating spool, 35a... Partition wall part, 35b... Over) wall part, 38... Hydraulic pressure Pump, 39... Hydraulic tank, d1, d2... Hole diameter,
W, w2...width.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 油圧ポンプ及び油圧タンクに連通ずるＰポート（圧力ロ
）及びＴポー１ （戻り口）の穴径より小さい巾の隔壁
部と、油圧作動部に連通ずるＡ及びＢポート（作動口）
の穴径と略同等或いは若干大きい巾のオ−バラツプ壁部
とで回転スプールを形成したことを特徴とする回転式４
ポート油圧切換弁。A bulkhead with a width smaller than the hole diameter of the P port (pressure B) and T port 1 (return port) that communicate with the hydraulic pump and hydraulic tank, and the A and B ports (operation port) that communicate with the hydraulic operation section.
A rotating type 4 characterized in that a rotating spool is formed by an overlapping wall portion having a width approximately equal to or slightly larger than the hole diameter.
Port hydraulic switching valve.
JP12123984U 1984-08-06 1984-08-06 Rotary 4-port hydraulic switching valve Pending JPS6135272U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12123984U JPS6135272U (en) 1984-08-06 1984-08-06 Rotary 4-port hydraulic switching valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12123984U JPS6135272U (en) 1984-08-06 1984-08-06 Rotary 4-port hydraulic switching valve

Publications (1)

Publication Number Publication Date
JPS6135272U true JPS6135272U (en) 1986-03-04

Family

ID=30680028

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12123984U Pending JPS6135272U (en) 1984-08-06 1984-08-06 Rotary 4-port hydraulic switching valve

Country Status (1)

Country Link
JP (1) JPS6135272U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62297513A (en) * 1986-06-16 1987-12-24 Yutani Heavy Ind Ltd Selector valve device for construction machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62297513A (en) * 1986-06-16 1987-12-24 Yutani Heavy Ind Ltd Selector valve device for construction machine

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