JPS614080U - Pilot switching valve - Google Patents

Pilot switching valve

Info

Publication number
JPS614080U
JPS614080U JP8668184U JP8668184U JPS614080U JP S614080 U JPS614080 U JP S614080U JP 8668184 U JP8668184 U JP 8668184U JP 8668184 U JP8668184 U JP 8668184U JP S614080 U JPS614080 U JP S614080U
Authority
JP
Japan
Prior art keywords
switching valve
pilot switching
pilot
port
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
Application number
JP8668184U
Other languages
Japanese (ja)
Inventor
正和 羽賀
東一 平田
Original Assignee
日立建機株式会社
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 日立建機株式会社 filed Critical 日立建機株式会社
Priority to JP8668184U priority Critical patent/JPS614080U/en
Publication of JPS614080U publication Critical patent/JPS614080U/en
Pending legal-status Critical Current

Links

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図および第２図は本考案によるパイロゾト切換弁を
示す説明図で、第１図は要部断面図、第２図は概念図で
あり、第３図および第４図は従来のパイロット切換弁を
示す説明図で、第３図は要部断面図、第４図は概念図で
ある。 １・・・・・・ケーシング、２・・・・・・パイロット
ポート、３・・・・・・ポンプポート、４・・・・・・
タンクポート、５・・・・・・出力ポート、６・・・・
・・スブール孔、８・・・・・・管路、９・・・・・・
油圧ポンプ、１０・・・・・・タンク、１１・・・・・
・ス−プール、１２・・・・・・スプリング、１４・・
・・・・信号線、１５・・・・・・ロツド、１７・・・
・・・支持体、１８・・・・・・リ−ミットスイッチ、
１８ａ・・・・・・操作部。Figures 1 and 2 are explanatory diagrams showing the pilot switching valve according to the present invention. Figure 1 is a sectional view of the main part, Figure 2 is a conceptual diagram, and Figures 3 and 4 are illustrations of the conventional pilot switching valve. FIG. 3 is a sectional view of a main part, and FIG. 4 is a conceptual diagram. 1...Casing, 2...Pilot port, 3...Pump port, 4...
Tank port, 5... Output port, 6...
...Sbourg hole, 8...Pipe line, 9...
Hydraulic pump, 10...Tank, 11...
・Spool, 12...Spring, 14...
...Signal line, 15... Rod, 17...
... Support body, 18 ... Limit switch,
18a...Operation unit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 本体を形成し、パイロットポート、ポンプポート、タン
クポートおよび出力ポートを有するケーシングと、該ケ
ーシング内に配置され、パイロット圧力に応じて移動す
るスプールと、前記ケーシングに配置され、パイロット
圧力に応じてオン・オフするスイッチとを備えたパイロ
ット切換弁ｉこおいて、前記スイッチとしてリミットス
イッチを用い、該リミットスイッチを前記スプールに対
向して配置し、該リミットスイッチが該スプールにより
動作されるようにしたことを特徴とするパイロット切換
弁。a casing forming a main body and having a pilot port, a pump port, a tank port, and an output port; a spool disposed within the casing that moves in response to pilot pressure; - A pilot switching valve i equipped with a switch to turn off, using a limit switch as the switch, disposing the limit switch opposite to the spool, so that the limit switch is operated by the spool. A pilot switching valve characterized by:
JP8668184U 1984-06-13 1984-06-13 Pilot switching valve Pending JPS614080U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8668184U JPS614080U (en) 1984-06-13 1984-06-13 Pilot switching valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8668184U JPS614080U (en) 1984-06-13 1984-06-13 Pilot switching valve

Publications (1)

Publication Number Publication Date
JPS614080U true JPS614080U (en) 1986-01-11

Family

ID=30638213

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8668184U Pending JPS614080U (en) 1984-06-13 1984-06-13 Pilot switching valve

Country Status (1)

Country Link
JP (1) JPS614080U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100716492B1 (en) * 2007-01-03 2007-05-10 최영수 Valve control unit of tank lorry

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5511451U (en) * 1978-07-08 1980-01-24

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5511451U (en) * 1978-07-08 1980-01-24

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100716492B1 (en) * 2007-01-03 2007-05-10 최영수 Valve control unit of tank lorry

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