JPH0175657U - - Google Patents
Info
- Publication number
- JPH0175657U JPH0175657U JP1987170197U JP17019787U JPH0175657U JP H0175657 U JPH0175657 U JP H0175657U JP 1987170197 U JP1987170197 U JP 1987170197U JP 17019787 U JP17019787 U JP 17019787U JP H0175657 U JPH0175657 U JP H0175657U
- Authority
- JP
- Japan
- Prior art keywords
- seal ring
- spring
- inner diameter
- diameter side
- ring
- 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
Links
- 238000012856 packing Methods 0.000 claims description 8
- 230000013011 mating Effects 0.000 claims 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims 2
- 229920000459 Nitrile rubber Polymers 0.000 claims 1
- 239000004677 Nylon Substances 0.000 claims 1
- 229920001778 nylon Polymers 0.000 claims 1
- -1 polytetrafluoroethylene Polymers 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Sealing Devices (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図は本考案のパツキンの縦断面図、第２図
は、第１図の要部拡大縦断面図、第３図は、本考
案のパツキンの取付け場所を示す縦断面図、第４
図ａ，ｂは、従来技術によるパツキンを示し、ａ
は縦断面図、ｂは要部拡大縦断面図である。
符号の説明、１……パツキン、２……シリンダ
、３……シールリング、４……バツクアツプリン
グ、５……バツクリング、６……ピストン、７ａ
……溝、７……傾斜面、８……傾斜側面。
Fig. 1 is a vertical sectional view of the packing of the present invention, Fig. 2 is an enlarged longitudinal sectional view of the main part of Fig. 1, Fig. 3 is a longitudinal sectional view showing the installation location of the packing of the invention, and Fig. 4 is a longitudinal sectional view of the packing of the invention.
Figures a and b show packings according to the prior art, a
is a vertical cross-sectional view, and b is an enlarged vertical cross-sectional view of a main part. Explanation of symbols: 1...Packing, 2...Cylinder, 3...Seal ring, 4...Backup spring, 5...Back ring, 6...Piston, 7a
... Groove, 7... Inclined surface, 8... Inclined side surface.
Claims (1)
、相手しゆう動面の移動によるシールリングの移
動を制限すべくシールリングの両側面であつて溝
内に配置され、内径側に傾斜面を備えるバツクア
ツプリングと、バツクアツプリングの内径側の傾
斜面を支持する傾斜側面及びシールリングの内径
側側面を支持する頂部を備える、断面がほぼ三角
形状のバツクリングとを有し、バツクアツプリン
グの巾と溝の巾とがほぼ等しいことを特徴とする
パツキン。 (2) 前記シールリングは、ＰＴＦＥ（ポリテト
ラフルオロエチレン）製であることを特徴とする
実用新案登録請求の範囲第１項に記載のパツキン
。 (3) 前記バツクアツプリングは、ナイロン樹脂
製であることを特徴とする実用新案登録請求の範
囲第１項又は第２項に記載のパツキン。 (4) 前記バツクリングは、ニトリル系ゴム製で
あることを特徴とする実用新案登録請求の範囲第
１項乃至第３項に記載のパツキン。[Claims for Utility Model Registration] (1) A seal ring that is in close contact with the mating sliding surface, and a seal ring that is located in the groove on both sides of the seal ring in order to limit the movement of the seal ring due to the movement of the mating sliding surface. A back ring having a substantially triangular cross section, which includes a back up spring arranged and having an inclined surface on the inner diameter side, an inclined side surface that supports the inner diameter side inclined surface of the back up spring, and a top that supports the inner diameter side surface of the seal ring. A packkin characterized in that the width of the back spring and the width of the groove are approximately equal. (2) The packing according to claim 1, wherein the seal ring is made of PTFE (polytetrafluoroethylene). (3) The packing according to claim 1 or 2, wherein the back up spring is made of nylon resin. (4) The packing according to any one of claims 1 to 3, wherein the back ring is made of nitrile rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987170197U JPH0529589Y2 (en) | 1987-11-07 | 1987-11-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987170197U JPH0529589Y2 (en) | 1987-11-07 | 1987-11-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0175657U true JPH0175657U (en) | 1989-05-23 |
| JPH0529589Y2 JPH0529589Y2 (en) | 1993-07-28 |
Family
ID=31460931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987170197U Expired - Lifetime JPH0529589Y2 (en) | 1987-11-07 | 1987-11-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0529589Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0559052U (en) * | 1992-01-21 | 1993-08-03 | エヌオーケー株式会社 | Sealing device |
| JP2015178890A (en) * | 2014-02-25 | 2015-10-08 | Nok株式会社 | sealing device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5130218A (en) * | 1974-06-27 | 1976-03-15 | Ppg Industries Inc | |
| 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 |
-
1987
- 1987-11-07 JP JP1987170197U patent/JPH0529589Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5130218A (en) * | 1974-06-27 | 1976-03-15 | Ppg Industries Inc | |
| 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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0559052U (en) * | 1992-01-21 | 1993-08-03 | エヌオーケー株式会社 | Sealing device |
| JP2015178890A (en) * | 2014-02-25 | 2015-10-08 | Nok株式会社 | sealing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0529589Y2 (en) | 1993-07-28 |