JPS62181777U - - Google Patents

Info

Publication number
JPS62181777U
JPS62181777U JP7101086U JP7101086U JPS62181777U JP S62181777 U JPS62181777 U JP S62181777U JP 7101086 U JP7101086 U JP 7101086U JP 7101086 U JP7101086 U JP 7101086U JP S62181777 U JPS62181777 U JP S62181777U
Authority
JP
Japan
Prior art keywords
diaphragm
cylinder
gasket
flange
protrusion
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.)
Granted
Application number
JP7101086U
Other languages
Japanese (ja)
Other versions
JPH0317099Y2 (en
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 filed Critical
Priority to JP1986071010U priority Critical patent/JPH0317099Y2/ja
Publication of JPS62181777U publication Critical patent/JPS62181777U/ja
Application granted granted Critical
Publication of JPH0317099Y2 publication Critical patent/JPH0317099Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Details Of Valves (AREA)
  • Reciprocating Pumps (AREA)
  • Diaphragms And Bellows (AREA)

Description

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

図面は本考案の実施例を示すものであつて、第
１図は本考案の縦断面図、第２図は第１図の一部
の拡大縦断面図、第３図は他の実施例を示す一部
の拡大縦断面図、第４図は公知のバルブ装置にお
けるベローズ〓〓 〓の取付機構の縦断面図であ
る。 １１……シリンダーヘツド、１２……シリンダ
ー、１２ｂ……突出部、２０……バルブ本体、２
０ａ……バルブ本体の上部、２１ａ……隔膜、２
１ｂ……フランジ、２５……Ｌ形段溝、２６ａ…
…パツキン、２６ｂ……Ｏリング、３０……〓形
溝。 The drawings show an embodiment of the present invention, in which Fig. 1 is a longitudinal sectional view of the invention, Fig. 2 is an enlarged longitudinal sectional view of a part of Fig. 1, and Fig. 3 shows another embodiment. FIG. 4 is a partially enlarged longitudinal sectional view of a bellows attachment mechanism in a known valve device. DESCRIPTION OF SYMBOLS 11...Cylinder head, 12...Cylinder, 12b...Protrusion part, 20...Valve body, 2
0a... Upper part of the valve body, 21a... Diaphragm, 2
1b...Flange, 25...L-shaped groove, 26a...
...Putskin, 26b...O-ring, 30...〓shaped groove.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シリンダー内のピストンの作動を隔膜の伸縮運
動に連動させてなるポンプ、バルブ等において、
本体２０の上部２０ａの内側周縁にＬ形段溝２５
を設けると共に、シリンダー１２の下部に前記段
溝２５内に嵌合する突出部１２ｂを設け、上記突
出部１２ｂの隅部を囲繞して形成した〓形溝３０
にパツキン２６ａを嵌め込み、隔膜２１ａの上縁
に、外方に撓曲した肉厚のフランジ２１ｂを形成
し、上記フランジ２１ｂの外周端面と、Ｌ形段溝
２５の立壁２５ｂとの間にＯリング２６ｂを介在
させると共に前記パツキン２６ａをフランジ２１
ｂ上に重ね、シリンダーヘツド１１、シリンダー
１２及び本体２０をボルトで緊締することにより
、隔膜２１ａのフランジ２１ｂとパツキン２６ａ
とを共に固定したことを特徴とするポンプ、バル
ブ等の隔膜固定機構。 In pumps, valves, etc. in which the operation of a piston in a cylinder is linked to the expansion and contraction movement of a diaphragm,
An L-shaped groove 25 is formed on the inner periphery of the upper part 20a of the main body 20.
At the same time, a protrusion 12b that fits into the stepped groove 25 is provided at the lower part of the cylinder 12, and a square groove 30 is formed to surround the corner of the protrusion 12b.
A gasket 26a is fitted into the upper edge of the diaphragm 21a, and a thick flange 21b bent outward is formed on the upper edge of the diaphragm 21a. 26b and the gasket 26a is attached to the flange 21.
b, and tighten the cylinder head 11, cylinder 12, and main body 20 with bolts, so that the flange 21b of the diaphragm 21a and the gasket 26a
A diaphragm fixing mechanism for pumps, valves, etc., characterized in that they are fixed together.
JP1986071010U 1986-05-12 1986-05-12 Expired JPH0317099Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986071010U JPH0317099Y2 (en) 1986-05-12 1986-05-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986071010U JPH0317099Y2 (en) 1986-05-12 1986-05-12

Publications (2)

Publication Number Publication Date
JPS62181777U true JPS62181777U (en) 1987-11-18
JPH0317099Y2 JPH0317099Y2 (en) 1991-04-11

Family

ID=30913178

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986071010U Expired JPH0317099Y2 (en) 1986-05-12 1986-05-12

Country Status (1)

Country Link
JP (1) JPH0317099Y2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0722085U (en) * 1993-09-14 1995-04-21 多摩精器工業株式会社 Diaphragm pump
JPH0988831A (en) * 1995-09-29 1997-03-31 Nippon Pillar Packing Co Ltd Bellows-type fixed displacement pump
JPWO2015083829A1 (en) * 2013-12-06 2017-03-16 国立大学法人 東京大学 Valve, fluid control structure, fluid device and valve manufacturing method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4734431U (en) * 1971-05-13 1972-12-16
JPS494807A (en) * 1972-04-19 1974-01-17

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4734431U (en) * 1971-05-13 1972-12-16
JPS494807A (en) * 1972-04-19 1974-01-17

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0722085U (en) * 1993-09-14 1995-04-21 多摩精器工業株式会社 Diaphragm pump
JPH0988831A (en) * 1995-09-29 1997-03-31 Nippon Pillar Packing Co Ltd Bellows-type fixed displacement pump
JPWO2015083829A1 (en) * 2013-12-06 2017-03-16 国立大学法人 東京大学 Valve, fluid control structure, fluid device and valve manufacturing method

Also Published As

Publication number Publication date
JPH0317099Y2 (en) 1991-04-11

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