JPS60193862U - Sealing device for pneumatic booster - Google Patents

Sealing device for pneumatic booster

Info

Publication number
JPS60193862U
JPS60193862U JP8270684U JP8270684U JPS60193862U JP S60193862 U JPS60193862 U JP S60193862U JP 8270684 U JP8270684 U JP 8270684U JP 8270684 U JP8270684 U JP 8270684U JP S60193862 U JPS60193862 U JP S60193862U
Authority
JP
Japan
Prior art keywords
cylindrical
main body
movable body
pneumatic booster
cylindrical opening
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
JP8270684U
Other languages
Japanese (ja)
Other versions
JPH0345893Y2 (en
Inventor
有満　智
Original Assignee
株式会社ナブコ
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 株式会社ナブコ filed Critical 株式会社ナブコ
Priority to JP8270684U priority Critical patent/JPS60193862U/en
Publication of JPS60193862U publication Critical patent/JPS60193862U/en
Application granted granted Critical
Publication of JPH0345893Y2 publication Critical patent/JPH0345893Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Braking Systems And Boosters (AREA)
  • Sealing Devices (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図はこの考案が適用された倍力装置の側断面図、第
２図は要部の拡大断面図である。 １・・・負圧式倍力装置、２・・・本体、５・・・可動
体、６・・・低圧室、７・・・高圧室、１１・・・弁装
置、１４・・・筒部、１５・・・筒状開口部、１５１・
・・筒状部分、１５２・・・内向きフランジ部分、１６
・・・密封装置、１７・・・ブーツ、１８・・・密封部
、２２・・・ビード（嵌着部）、２３・・・摺動支持部
、２４・・・密封片、２５・・・溝。FIG. 1 is a side sectional view of a booster to which this invention is applied, and FIG. 2 is an enlarged sectional view of the main parts. DESCRIPTION OF SYMBOLS 1...Negative pressure booster, 2...Main body, 5...Movable body, 6...Low pressure chamber, 7...High pressure chamber, 11...Valve device, 14...Cylinder part , 15... cylindrical opening, 151.
...Cylindrical part, 152...Inward flange part, 16
... Sealing device, 17... Boot, 18... Sealing part, 22... Bead (fitting part), 23... Sliding support part, 24... Sealing piece, 25... groove.

Claims (1)

【実用新案登録請求の範囲】 １　内部に空間、−側に筒状開口部を有する本体と、こ
の本体の内部空間に移動自在に挿入さ″　れ、一方何に
低圧室、他方側に高圧室を区画する可動体と、この可動
体に設けられ、前記高圧室側に延び前記本体の筒状開口
部を移動自在に貫通して外部に突出する筒部と、この筒
部の内周部分に配置された弁装置とを有し、この弁装置
の制御によって前記可動体の両側に差圧を生じ、それが
倍力に供される気圧式倍力装置において、前記本体の筒
状開口部と前記可動体の筒部との間を密封する密封部を
、前記本体の筒状開口部から前記可動体の筒部の外方端
まで延びるブーツと一体に成した密封装置であって、前
記密封部は、外周が前記本体の筒状開口部に支持され、
内周が前記可動体の筒部に嵌合する摺動支持部と、この
摺動支持部の後方側に形成され、前記可動体の筒部に密
に弾接する密封片と、密封郡全体を前記本体の筒状開口
部に取り付けるための嵌着部とを有している気圧式倍力
装置の密封装置。 ２　前記本体の筒状開口部は、前記可動体の筒部の軸線
方向に沿った筒状部分と、この筒状部分の後端に設けた
内向きフランジ部分とから成り、前記摺動支持部がこの
内向きフランジ部分の内側に位置している、実用新案登
録請求の範囲第１項記載の気圧式倍力装置の密封装置。[Claims for Utility Model Registration] 1. A main body having a space inside and a cylindrical opening on the negative side, which is movably inserted into the internal space of the main body, and has a low pressure chamber on one side and a high pressure chamber on the other side. a movable body that partitions the movable body, a cylindrical part provided on the movable body that extends toward the high pressure chamber, movably penetrates the cylindrical opening of the main body, and projects to the outside; and an inner peripheral portion of the cylindrical part. In the pneumatic booster, the pneumatic booster has a valve device arranged in the main body, and a pressure difference is generated on both sides of the movable body by controlling the valve device, which is used for boosting. A sealing device, wherein a sealing part for sealing between a cylindrical part of the movable body and a boot extending from a cylindrical opening of the main body to an outer end of the cylindrical part of the movable body, The outer periphery of the portion is supported by the cylindrical opening of the main body,
a sliding support part whose inner periphery fits into the cylindrical part of the movable body; a sealing piece formed on the rear side of the sliding support part and tightly elastically contacting the cylindrical part of the movable body; A sealing device for a pneumatic booster, comprising a fitting portion for attachment to a cylindrical opening of the main body. 2. The cylindrical opening of the main body includes a cylindrical portion along the axial direction of the cylindrical portion of the movable body, and an inward flange portion provided at the rear end of this cylindrical portion, and the cylindrical opening of the main body The sealing device for a pneumatic booster according to claim 1, wherein the inward flange portion is located inside the inward flange portion.
JP8270684U 1984-06-04 1984-06-04 Sealing device for pneumatic booster Granted JPS60193862U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8270684U JPS60193862U (en) 1984-06-04 1984-06-04 Sealing device for pneumatic booster

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8270684U JPS60193862U (en) 1984-06-04 1984-06-04 Sealing device for pneumatic booster

Publications (2)

Publication Number Publication Date
JPS60193862U true JPS60193862U (en) 1985-12-24
JPH0345893Y2 JPH0345893Y2 (en) 1991-09-27

Family

ID=30630659

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8270684U Granted JPS60193862U (en) 1984-06-04 1984-06-04 Sealing device for pneumatic booster

Country Status (1)

Country Link
JP (1) JPS60193862U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020007612A (en) * 2000-07-18 2002-01-29 밍 루 Boot - fixing apparatus of booster

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57198158A (en) * 1981-05-28 1982-12-04 Sumitomo Electric Ind Ltd Booster

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57198158A (en) * 1981-05-28 1982-12-04 Sumitomo Electric Ind Ltd Booster

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020007612A (en) * 2000-07-18 2002-01-29 밍 루 Boot - fixing apparatus of booster

Also Published As

Publication number Publication date
JPH0345893Y2 (en) 1991-09-27

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