JPH0452657U - - Google Patents
Info
- Publication number
- JPH0452657U JPH0452657U JP9497390U JP9497390U JPH0452657U JP H0452657 U JPH0452657 U JP H0452657U JP 9497390 U JP9497390 U JP 9497390U JP 9497390 U JP9497390 U JP 9497390U JP H0452657 U JPH0452657 U JP H0452657U
- Authority
- JP
- Japan
- Prior art keywords
- piston seal
- piston
- diameter
- seal mechanism
- seal
- 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
Landscapes
- Actuator (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図は本考案に係るピストンシール機構の一
実施例を示す縦断面図、第２図〜第６図はそれぞ
れ本考案に係るピストンシール機構の他の実施例
を示す縦断面図、第７図は従来の液圧シリンダの
全体断面図、第８図は従来のピストンシール機構
の一例を示す縦断面図、第９図は従来のピストン
シール機構の一例を示す一部斜視図、第１０図は
従来のピストンシール装着方法を示す縦断面図で
ある。
１１……ピストン、１２……ピストンシール、
１３……ピストンシール装着溝、１４……シリン
ダチユーブ、１５……バツクリング、１６……バ
ツクアツプリング、１７……バツクアツプリング
、１８……ピストンロツド、１９……ロツクナツ
ト、２０……ウエアリング。
FIG. 1 is a vertical sectional view showing one embodiment of the piston seal mechanism according to the present invention, FIGS. 2 to 6 are longitudinal sectional views showing other embodiments of the piston seal mechanism according to the present invention, and FIG. 8 is a vertical sectional view showing an example of a conventional piston seal mechanism, FIG. 9 is a partial perspective view showing an example of a conventional piston seal mechanism, and FIG. 10 is an overall sectional view of a conventional hydraulic cylinder. FIG. 2 is a vertical cross-sectional view showing a conventional piston seal mounting method. 11... Piston, 12... Piston seal,
13... Piston seal mounting groove, 14... Cylinder tube, 15... Back ring, 16... Backup spring, 17... Backup spring, 18... Piston rod, 19... Lock nut, 20... Wear ring.
Claims (1)
ールとウエアリングを装着した液圧シリンダのピ
ストンシール機構において、前記ピストンのピス
トンシール装着側の端面からピストンシール装着
溝までの外径を前記ピストンシールの内径より小
さく形成し、かつ前記ピストンシールの少なくと
もピストン小径側の側端側にバツクアツプリング
を設けたことを特徴とするピストンシール機構。 In a piston seal mechanism for a hydraulic cylinder in which an endless piston seal and a wear ring are attached to the outer circumference of the piston, the outer diameter from the end surface of the piston on the piston seal mounting side to the piston seal mounting groove is smaller than the inner diameter of the piston seal. A piston seal mechanism characterized in that it is formed small and that a back-up spring is provided at least on the side end of the piston seal on the small diameter side of the piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9497390U JPH0452657U (en) | 1990-09-10 | 1990-09-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9497390U JPH0452657U (en) | 1990-09-10 | 1990-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0452657U true JPH0452657U (en) | 1992-05-06 |
Family
ID=31833333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9497390U Pending JPH0452657U (en) | 1990-09-10 | 1990-09-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0452657U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0530623U (en) * | 1991-09-30 | 1993-04-23 | いすゞ自動車株式会社 | Piston device |
| JP2011047446A (en) * | 2009-08-26 | 2011-03-10 | Kyb Co Ltd | Hydraulic cylinder |
| JP2011241913A (en) * | 2010-05-19 | 2011-12-01 | Smc Corp | Fluid pressure apparatus |
| WO2012127980A1 (en) * | 2011-03-23 | 2012-09-27 | カヤバ工業株式会社 | Piston bearing structure for fluid pressure cylinder |
-
1990
- 1990-09-10 JP JP9497390U patent/JPH0452657U/ja active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0530623U (en) * | 1991-09-30 | 1993-04-23 | いすゞ自動車株式会社 | Piston device |
| JP2011047446A (en) * | 2009-08-26 | 2011-03-10 | Kyb Co Ltd | Hydraulic cylinder |
| JP2011241913A (en) * | 2010-05-19 | 2011-12-01 | Smc Corp | Fluid pressure apparatus |
| WO2012127980A1 (en) * | 2011-03-23 | 2012-09-27 | カヤバ工業株式会社 | Piston bearing structure for fluid pressure cylinder |
| JP2012197908A (en) * | 2011-03-23 | 2012-10-18 | Kyb Co Ltd | Piston bearing structure for fluid pressure cylinder |
| CN103097745A (en) * | 2011-03-23 | 2013-05-08 | 萱场工业株式会社 | Piston bearing structure for fluid pressure cylinder |
| US9388902B2 (en) | 2011-03-23 | 2016-07-12 | Kyb Corporation | Piston bearing structure for fluid pressure cylinder |