JPH01174676U - - Google Patents
Info
- Publication number
- JPH01174676U JPH01174676U JP7195588U JP7195588U JPH01174676U JP H01174676 U JPH01174676 U JP H01174676U JP 7195588 U JP7195588 U JP 7195588U JP 7195588 U JP7195588 U JP 7195588U JP H01174676 U JPH01174676 U JP H01174676U
- Authority
- JP
- Japan
- Prior art keywords
- resin seal
- seal ring
- ring
- members
- utility
- 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
Landscapes
- Sealing Devices (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図ａおよびｂは本考案の一実施例に係るパ
ツキンの使用状態の要部縦断面図、第２図は第１
図のパツキンの半縦断面図、第３図は第１図のパ
ツキンの樹脂性シールリングの要部拡大縦断面図
、第４図は第１図のパツキンの他の態様を示す要
部縦断面図、第５図は本考案の他の実施例に係る
パツキンの半縦断面図、第６図および第７図は従
来のパツキンの要部縦断面図である。
符号の説明、１……パツキン、２……ロツド、
３……樹脂製シールリング、３ａ……密封摺動面
、３ｂ……外周摺動面、５……ハウジング、６…
…装着溝、６ａ……底面、７……テーパー面、７
ａ……エツジ部、Ｐ……面圧分布、Ｐ０……ピー
ク位置、Ａ……頂点。
Figures 1a and b are longitudinal cross-sectional views of essential parts of the packing according to one embodiment of the present invention in use, and Figure 2 is the
Fig. 3 is an enlarged vertical sectional view of the main part of the resin seal ring of the packing shown in Fig. 1, and Fig. 4 is a longitudinal cross-sectional view of the main part showing another aspect of the packing shown in Fig. 1. 5 are half-longitudinal sectional views of a packing according to another embodiment of the present invention, and FIGS. 6 and 7 are longitudinal sectional views of essential parts of conventional packing. Explanation of codes, 1...Patzkin, 2...Rotsud,
3...Resin seal ring, 3a...Sealing sliding surface, 3b...Outer peripheral sliding surface, 5...Housing, 6...
...Mounting groove, 6a...Bottom surface, 7...Tapered surface, 7
a...edge portion, P...surface pressure distribution, P0 ...peak position, A...apex.
Claims (1)
二部材のうち一方に装着され、他方の部材に摺動
自在に接触して二部材間を密封するものであつて
、摺動面を構成する樹脂製シールリングと、該樹
脂製シールリングと上記装着側部材との間に半径
方向に圧縮状態で介在され、その弾性復元力でも
つて樹脂製シールリングを移動側部材に押圧する
ゴム状弾性体製のバツクリングと、から構成され
るパツキンにおいて、 前記樹脂製シールリングの前記バツクリングと
の当接面の断面形状を、その中央部がバツクリン
グ側に盛上る凸形状としてなることを特徴とする
パツキン。[Claims for Utility Model Registration] A utility model that is attached to one of two members that are assembled concentrically and movably relative to each other and slidably contacts the other member to seal the two members, A resin seal ring constituting the sliding surface is interposed in a compressed state in the radial direction between the resin seal ring and the mounting side member, and its elastic restoring force causes the resin seal ring to move to the moving side member. and a back ring made of a rubber-like elastic body to be pressed, wherein the cross-sectional shape of the contact surface of the resin seal ring with the back ring is a convex shape with a central portion raised toward the back ring. Patsukin featuring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988071955U JPH0615163Y2 (en) | 1988-05-31 | 1988-05-31 | Packing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988071955U JPH0615163Y2 (en) | 1988-05-31 | 1988-05-31 | Packing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01174676U true JPH01174676U (en) | 1989-12-12 |
| JPH0615163Y2 JPH0615163Y2 (en) | 1994-04-20 |
Family
ID=31297138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988071955U Expired - Lifetime JPH0615163Y2 (en) | 1988-05-31 | 1988-05-31 | Packing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0615163Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000240804A (en) * | 1998-11-14 | 2000-09-08 | Busak & Shamban Inc | Rotary seal provided with clearance angle for control pitching |
| US8672418B2 (en) | 2009-11-19 | 2014-03-18 | Advics Co., Ltd | Sealing structure for piston and piston pump and brake hydraulic pressure control device incorporating the structure |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7464398B2 (en) * | 2020-02-13 | 2024-04-09 | 住友重機械工業株式会社 | Cryogenic refrigerators and sealing parts |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6193668U (en) * | 1984-11-27 | 1986-06-17 |
-
1988
- 1988-05-31 JP JP1988071955U patent/JPH0615163Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6193668U (en) * | 1984-11-27 | 1986-06-17 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000240804A (en) * | 1998-11-14 | 2000-09-08 | Busak & Shamban Inc | Rotary seal provided with clearance angle for control pitching |
| US8672418B2 (en) | 2009-11-19 | 2014-03-18 | Advics Co., Ltd | Sealing structure for piston and piston pump and brake hydraulic pressure control device incorporating the structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0615163Y2 (en) | 1994-04-20 |