JPS5920069U - vacuum valve - Google Patents

vacuum valve

Info

Publication number
JPS5920069U
JPS5920069U JP11404582U JP11404582U JPS5920069U JP S5920069 U JPS5920069 U JP S5920069U JP 11404582 U JP11404582 U JP 11404582U JP 11404582 U JP11404582 U JP 11404582U JP S5920069 U JPS5920069 U JP S5920069U
Authority
JP
Japan
Prior art keywords
vacuum valve
valve
vacuum
valve body
rubber
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
JP11404582U
Other languages
Japanese (ja)
Inventor
慎一郎 荒川
Original Assignee
株式会社荏原製作所
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 株式会社荏原製作所 filed Critical 株式会社荏原製作所
Priority to JP11404582U priority Critical patent/JPS5920069U/en
Publication of JPS5920069U publication Critical patent/JPS5920069U/en
Pending legal-status Critical Current

Links

Landscapes

  • Compressor (AREA)
  • Lift Valve (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (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図は真空ポンプの特性を示した線図、第2図は従来
の真空弁の弁体部分の概念図、第3図はこの考案の真空
弁の側断面図、第4図は小流量の場合の弁の開度を示す
図、第5図は大流量の場合の弁の開度を示す図である。 符号の説明、1・・・・・・弁本体、2・・・・・・カ
バー、3・・・・・・弁軸、4・・・・・・弁体、5・
・・・・・シール部、6・・・・・・空気入口、7・・
・・・・調整ナツト、8・・・・・・スプリング押え、
9・・・・・・スプリング、10・・・・・・ネジ部、
11・・・・・・シート面。
Figure 1 is a diagram showing the characteristics of a vacuum pump, Figure 2 is a conceptual diagram of the valve body of a conventional vacuum valve, Figure 3 is a side sectional view of the vacuum valve of this invention, and Figure 4 is a small flow rate. FIG. 5 is a diagram showing the opening degree of the valve in the case of a large flow rate. Explanation of symbols: 1...Valve body, 2...Cover, 3...Valve stem, 4...Valve body, 5...
... Seal part, 6 ... Air inlet, 7 ...
...adjustment nut, 8...spring retainer,
9...Spring, 10...Screw part,
11...Sheet surface.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] (1)  真空ポンプに使用する真空弁において、弁体
のシール部をゴム成形し、その先端をリップ状としたこ
とを特徴とする真空弁。
(1) A vacuum valve for use in a vacuum pump, characterized in that the seal portion of the valve body is molded with rubber, and the tip thereof is shaped like a lip.
(2)前記弁体のシール部を弁軸と一体にゴム成形した
ことを特徴とする前記実用新案登録請求の範囲第1項記
載の真空弁。
(2) The vacuum valve according to claim 1, wherein the seal portion of the valve body is integrally molded with rubber and the valve stem.
JP11404582U 1982-07-29 1982-07-29 vacuum valve Pending JPS5920069U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11404582U JPS5920069U (en) 1982-07-29 1982-07-29 vacuum valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11404582U JPS5920069U (en) 1982-07-29 1982-07-29 vacuum valve

Publications (1)

Publication Number Publication Date
JPS5920069U true JPS5920069U (en) 1984-02-07

Family

ID=30263775

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11404582U Pending JPS5920069U (en) 1982-07-29 1982-07-29 vacuum valve

Country Status (1)

Country Link
JP (1) JPS5920069U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5439619A (en) * 1977-09-02 1979-03-27 Matsushita Electric Ind Co Ltd Electronic musical instrument

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5439619A (en) * 1977-09-02 1979-03-27 Matsushita Electric Ind Co Ltd Electronic musical instrument

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