JPH0272173U - - Google Patents
Info
- Publication number
- JPH0272173U JPH0272173U JP15269988U JP15269988U JPH0272173U JP H0272173 U JPH0272173 U JP H0272173U JP 15269988 U JP15269988 U JP 15269988U JP 15269988 U JP15269988 U JP 15269988U JP H0272173 U JPH0272173 U JP H0272173U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- cylinder
- end surface
- seal member
- slides
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Actuator (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図は本考案によるピストンシール構造の一
実施例を示す部分断面図、第２図は第１図の要部
拡大断面図、第３図は従来のピストンシール構造
を示す断面図である。
符号の説明、１１……シリンダ、１３……ピス
トン、１３ａ，１３ｂ……環状凹溝、１３ｃ，１
３ｄ……圧力導入孔、１４……シール部材、１５
……バツクアツプリング。
FIG. 1 is a partial sectional view showing an embodiment of the piston seal structure according to the present invention, FIG. 2 is an enlarged sectional view of the main part of FIG. 1, and FIG. 3 is a sectional view showing a conventional piston seal structure. Explanation of symbols, 11... Cylinder, 13... Piston, 13a, 13b... Annular groove, 13c, 1
3d...Pressure introduction hole, 14...Sealing member, 15
...Backlash spring.
Claims (1)
環状凹溝を形成し、各環状凹溝には前記シリンダ
の内周面に摺接するシール部材とこれを内側より
バツクアツプするバツクアツプリングをそれぞれ
収納し、また前記ピストンにはその各端面側より
同端面に近い側の前記各環状凹溝の底部側方に開
口する圧力導入孔をそれぞれ形成してなるピスト
ンシール構造。 Two annular grooves are formed on the outer periphery of the piston that slides inside the cylinder, and each annular groove accommodates a seal member that slides on the inner peripheral surface of the cylinder and a back-up spring that backs up the seal member from the inside. and a piston seal structure in which each of the pistons is formed with a pressure introduction hole that opens to the side of the bottom of each of the annular grooves on a side closer to the same end surface than each end surface side of the piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15269988U JPH0272173U (en) | 1988-11-24 | 1988-11-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15269988U JPH0272173U (en) | 1988-11-24 | 1988-11-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0272173U true JPH0272173U (en) | 1990-06-01 |
Family
ID=31427863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15269988U Pending JPH0272173U (en) | 1988-11-24 | 1988-11-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0272173U (en) |
-
1988
- 1988-11-24 JP JP15269988U patent/JPH0272173U/ja active Pending