JPH0338404U - - Google Patents
Info
- Publication number
- JPH0338404U JPH0338404U JP1989099378U JP9937889U JPH0338404U JP H0338404 U JPH0338404 U JP H0338404U JP 1989099378 U JP1989099378 U JP 1989099378U JP 9937889 U JP9937889 U JP 9937889U JP H0338404 U JPH0338404 U JP H0338404U
- Authority
- JP
- Japan
- Prior art keywords
- seal
- passage
- piston rod
- opened
- axially
- 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
- 239000000428 dust Substances 0.000 claims description 4
Landscapes
- Sealing Devices (AREA)
- Actuator (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Description
図面第１図はこの考案の実施例を示す断面図、
第２図は従来の液圧シリンダのシール構造を示す
断面図である。
１……シリンダヘツド、６……ダストシール、
７……オイルシール、８……ピストンロツド、９
……すき間、９ａ，９ｂ……室、１３……通路。
Figure 1 is a sectional view showing an embodiment of this invention;
FIG. 2 is a sectional view showing the seal structure of a conventional hydraulic cylinder. 1...Cylinder head, 6...Dust seal,
7...Oil seal, 8...Piston rod, 9
...Gap, 9a, 9b...room, 13...passage.
Claims (1)
ヘツドの軸方向外側にダストシールを設け、上記
ダストシールの軸方向内側にオイルシールを設け
、上記両シールの先端をピストンロツドに接触さ
せてた液圧シリダのシール構造において、シリン
ダヘツドに通路を形成し、上記通路の一端を外部
に開口させるとともに、他端をダストシールとオ
イルシールとの軸方向対向部間のすき間に開口す
る構成にした液圧シリンダのシール構造。 In a seal structure for a hydraulic cylinder, a dust seal is provided on the axially outer side of a cylinder head through which a piston rod is slidably inserted, an oil seal is provided on the axially inner side of the dust seal, and the tips of both seals are brought into contact with the piston rod. A seal structure for a hydraulic cylinder, wherein a passage is formed in the cylinder head, one end of the passage is opened to the outside, and the other end is opened in a gap between axially opposing parts of a dust seal and an oil seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989099378U JPH0338404U (en) | 1989-08-25 | 1989-08-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989099378U JPH0338404U (en) | 1989-08-25 | 1989-08-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0338404U true JPH0338404U (en) | 1991-04-15 |
Family
ID=31648435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989099378U Pending JPH0338404U (en) | 1989-08-25 | 1989-08-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0338404U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006242385A (en) * | 2005-03-03 | 2006-09-14 | Henn Gmbh & Co Kg | Insertion coupling device equipped with molded seal ring and discharge means |
| JP2009528481A (en) * | 2006-02-27 | 2009-08-06 | トレルボルグ シーリング ソリューションズ ジャーマニー ゲーエムベーハー | Sealing device with a pressure relief element and use of the sealing device to form a pressure cascade in an intermediate region |
| JP2019056450A (en) * | 2017-09-22 | 2019-04-11 | 日信工業株式会社 | Vehicular disk brake |
-
1989
- 1989-08-25 JP JP1989099378U patent/JPH0338404U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006242385A (en) * | 2005-03-03 | 2006-09-14 | Henn Gmbh & Co Kg | Insertion coupling device equipped with molded seal ring and discharge means |
| JP2009528481A (en) * | 2006-02-27 | 2009-08-06 | トレルボルグ シーリング ソリューションズ ジャーマニー ゲーエムベーハー | Sealing device with a pressure relief element and use of the sealing device to form a pressure cascade in an intermediate region |
| JP2019056450A (en) * | 2017-09-22 | 2019-04-11 | 日信工業株式会社 | Vehicular disk brake |