JPH0274579U - - Google Patents
Info
- Publication number
- JPH0274579U JPH0274579U JP1988153099U JP15309988U JPH0274579U JP H0274579 U JPH0274579 U JP H0274579U JP 1988153099 U JP1988153099 U JP 1988153099U JP 15309988 U JP15309988 U JP 15309988U JP H0274579 U JPH0274579 U JP H0274579U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- annular groove
- sliding
- lip portions
- plunger
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Compressor (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Description
第１図は、本考案にかかるシール装置を備えた
プランジヤポンプが組込まれたアンチスキツドブ
レーキ装置の概略構成図、第２図は本考案にかか
るシール装置の一実施例を示す部分断面斜視図、
第３図は本考案にかかるシール装置と従来のシー
ル装置との装着状態を示す断面図、およびそのと
きのシール接触部における圧力分布状態を示すグ
ラフである。
１０……プランジヤポンプ、１１……シリンダ
、１２……プランジヤ、１２Ａ……環状溝、１９
……シール装置、１９Ａ……第１の非接触リツプ
部、１９Ｂ……第２の非接触リツプ部、１９Ｃ…
…第１の接触リツプ部、１９Ｄ……第２の接触リ
ツプ部、１９Ｅ……第１の撓み空間、１９Ｆ……
第２の撓み空間。
FIG. 1 is a schematic configuration diagram of an anti-skid brake device incorporating a plunger pump equipped with a seal device according to the present invention, and FIG. 2 is a partially sectional perspective view showing an embodiment of the seal device according to the present invention. ,
FIG. 3 is a cross-sectional view showing how the seal device according to the present invention and a conventional seal device are installed, and a graph showing the pressure distribution state at the seal contact portion at that time. 10... Plunger pump, 11... Cylinder, 12... Plunger, 12A... Annular groove, 19
... Sealing device, 19A... First non-contact lip part, 19B... Second non-contact lip part, 19C...
...First contact lip part, 19D... Second contact lip part, 19E... First deflection space, 19F...
Second deflection space.
Claims (1)
に形成された環状溝に装着されるリング状シール
装置において、該環状溝の底面と側面とに夫々当
接する第１および第２の非摺動リツプ部と、該第
１および第２の非摺動リツプ部に対し所定の撓み
空間をもつて断面字状に配設されると共に前記
シリンダー内面にのみ当接する第１および第２の
摺動リツプ部とを備えていることを特徴とするプ
ランジヤポンプのシール装置。 A ring-shaped seal device installed in an annular groove formed on the outer periphery of a plunger that reciprocates in a cylinder, comprising first and second non-sliding lips that abut the bottom and side surfaces of the annular groove, respectively; , first and second sliding lip portions that are disposed in a cross-sectional shape with a predetermined deflection space relative to the first and second non-sliding lip portions, and that contact only the inner surface of the cylinder. A plunger pump sealing device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988153099U JPH0274579U (en) | 1988-11-25 | 1988-11-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988153099U JPH0274579U (en) | 1988-11-25 | 1988-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0274579U true JPH0274579U (en) | 1990-06-07 |
Family
ID=31428632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988153099U Pending JPH0274579U (en) | 1988-11-25 | 1988-11-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0274579U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012077887A (en) * | 2010-10-05 | 2012-04-19 | Nippon Pillar Packing Co Ltd | Shaft sealing device |
-
1988
- 1988-11-25 JP JP1988153099U patent/JPH0274579U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012077887A (en) * | 2010-10-05 | 2012-04-19 | Nippon Pillar Packing Co Ltd | Shaft sealing device |