JPH0248671U - - Google Patents

Info

Publication number
JPH0248671U
JPH0248671U JP12740288U JP12740288U JPH0248671U JP H0248671 U JPH0248671 U JP H0248671U JP 12740288 U JP12740288 U JP 12740288U JP 12740288 U JP12740288 U JP 12740288U JP H0248671 U JPH0248671 U JP H0248671U
Authority
JP
Japan
Prior art keywords
sealing device
ring
resin material
back ring
view
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
JP12740288U
Other languages
Japanese (ja)
Other versions
JPH0613424Y2 (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 JP1988127402U priority Critical patent/JPH0613424Y2/en
Publication of JPH0248671U publication Critical patent/JPH0248671U/ja
Application granted granted Critical
Publication of JPH0613424Y2 publication Critical patent/JPH0613424Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Sealing Devices (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Description

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

第１図は本考案の実施例に係る密封装置の各部
品を分解した状態の端面図、第２図は同密封装置
の作動状態を示す断面図、第３図は試験装置の概
略構成説明図、第４図および第５図はそれぞれ本
考案の他の実施例に係る密封装置の各部品を分解
した状態の端面図、第６図はピストンシリンダの
要部断面図、第７図は従来例に係る密封装置の各
部品を分解した状態の端面図、第８図は同密封装
置の装着状態を示す断面図、第９図は同密封装置
の作動状態を示す断面図である。 １……シールリング、２……バツクリング、２
ａ……凸部、２ｂ……肩部、２ｃ……つぶし代、
２ｄ……テーパ、２ｅ……溝、３……バツクアツ
プリング、４……シリンダ、５……ピストン、５
ａ……装着溝、６……試験装置。 Fig. 1 is an exploded end view of each component of a sealing device according to an embodiment of the present invention, Fig. 2 is a cross-sectional view showing the operating state of the sealing device, and Fig. 3 is a schematic configuration explanatory diagram of a test device. , FIG. 4 and FIG. 5 are respectively exploded end views of various parts of a sealing device according to other embodiments of the present invention, FIG. 6 is a cross-sectional view of main parts of a piston cylinder, and FIG. 7 is a conventional example. FIG. 8 is a cross-sectional view showing the sealing device in an installed state, and FIG. 9 is a cross-sectional view showing the operating state of the sealing device. 1... Seal ring, 2... Back ring, 2
a...Convex part, 2b...Shoulder part, 2c...Crushing allowance,
2d... Taper, 2e... Groove, 3... Backup spring, 4... Cylinder, 5... Piston, 5
a... Mounting groove, 6... Test device.

Claims (1)

【実用新案登録請求の範囲】 １ 樹脂材製のシールリング１、ゴム状弾性材製
のバツクリング２および樹脂材製のバツクアツプ
リング３よりなる密封装置において、前記バツク
リング２の肩部２ｂの寸法と前記バツクアツプリ
ング３の肉厚寸法を略等しくしたことを特徴とす
る密封装置。 ２ 前記バツクリング２に設定される凸部２ａの
周面を断面円弧状に成形したことを特徴とする請
求項１に記載した密封装置。[Claims for Utility Model Registration] 1. In a sealing device consisting of a seal ring 1 made of a resin material, a back ring 2 made of a rubber-like elastic material, and a back up spring 3 made of a resin material, the dimensions of the shoulder portion 2b of the back ring 2 and A sealing device characterized in that the back-up springs 3 have approximately the same wall thickness. 2. The sealing device according to claim 1, wherein the circumferential surface of the convex portion 2a set on the back ring 2 is formed to have an arcuate cross section.
JP1988127402U 1988-09-30 1988-09-30 Sealing device Expired - Lifetime JPH0613424Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988127402U JPH0613424Y2 (en) 1988-09-30 1988-09-30 Sealing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988127402U JPH0613424Y2 (en) 1988-09-30 1988-09-30 Sealing device

Publications (2)

Publication Number Publication Date
JPH0248671U true JPH0248671U (en) 1990-04-04
JPH0613424Y2 JPH0613424Y2 (en) 1994-04-06

Family

ID=31379805

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988127402U Expired - Lifetime JPH0613424Y2 (en) 1988-09-30 1988-09-30 Sealing device

Country Status (1)

Country Link
JP (1) JPH0613424Y2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0578922U (en) * 1992-03-31 1993-10-26 愛知機械工業株式会社 Vehicle water piping structure
JPH0618626U (en) * 1992-07-31 1994-03-11 ダイハツ工業株式会社 Mounting device for cooling water circulation pipe in engine for cab-over type vehicle
JPH0618627U (en) * 1992-08-03 1994-03-11 ダイハツ工業株式会社 Mounting device for cooling water circulation pipe in engine for cab-over type vehicle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005221028A (en) * 2004-02-06 2005-08-18 Nok Corp Sealing device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53101964U (en) * 1977-01-24 1978-08-17
JPS59189908U (en) * 1983-06-06 1984-12-17 日立建機株式会社 cylinder device
JPS61167777A (en) * 1985-01-16 1986-07-29 ダブリユ−　エス　シヤンバン　アンド　カンパニ− Seal backup ring assembly

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53101964U (en) * 1977-01-24 1978-08-17
JPS59189908U (en) * 1983-06-06 1984-12-17 日立建機株式会社 cylinder device
JPS61167777A (en) * 1985-01-16 1986-07-29 ダブリユ−　エス　シヤンバン　アンド　カンパニ− Seal backup ring assembly

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0578922U (en) * 1992-03-31 1993-10-26 愛知機械工業株式会社 Vehicle water piping structure
JPH0618626U (en) * 1992-07-31 1994-03-11 ダイハツ工業株式会社 Mounting device for cooling water circulation pipe in engine for cab-over type vehicle
JPH0618627U (en) * 1992-08-03 1994-03-11 ダイハツ工業株式会社 Mounting device for cooling water circulation pipe in engine for cab-over type vehicle

Also Published As

Publication number Publication date
JPH0613424Y2 (en) 1994-04-06

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