CN2506820Y - 液压油缸活塞杆的防水装置 - Google Patents
液压油缸活塞杆的防水装置 Download PDFInfo
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- CN2506820Y CN2506820Y CN01249548U CN01249548U CN2506820Y CN 2506820 Y CN2506820 Y CN 2506820Y CN 01249548 U CN01249548 U CN 01249548U CN 01249548 U CN01249548 U CN 01249548U CN 2506820 Y CN2506820 Y CN 2506820Y
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- lip
- piston rod
- gland
- pressure oil
- type packing
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Abstract
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Claims (1)
- 一种液压油缸活塞杆的防水装置,包括活塞杆(2),压盖(1)和装在所述的压盖(1)上与所述的活塞杆(2)对应的防尘圈(7)、密封圈(8)、唇口向内的唇形密封圈(3),其特征是:在所述的压盖(1)上装有与所述的唇口向内的唇形密封圈(3)对应的唇口向外的唇形密封圈(4),所述的唇形密封圈(3)与所述的唇形密封圈(4)之间形成有压力油腔(5);在所述的压盖(1)上设有油路(6),所述的油路(6)一端与压力油腔(5)连通,另一端与压力油源连通。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN01249548U CN2506820Y (zh) | 2001-08-23 | 2001-08-23 | 液压油缸活塞杆的防水装置 |
Applications Claiming Priority (1)
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CN01249548U CN2506820Y (zh) | 2001-08-23 | 2001-08-23 | 液压油缸活塞杆的防水装置 |
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CN2506820Y true CN2506820Y (zh) | 2002-08-21 |
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CN01249548U Expired - Lifetime CN2506820Y (zh) | 2001-08-23 | 2001-08-23 | 液压油缸活塞杆的防水装置 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102128267A (zh) * | 2010-01-12 | 2011-07-20 | Nok株式会社 | 密封系统 |
CN102954223A (zh) * | 2011-08-26 | 2013-03-06 | 优泰科(苏州)密封技术有限公司 | 一种活塞杆组合密封件 |
CN102971557A (zh) * | 2011-04-18 | 2013-03-13 | Nok株式会社 | 密封系统 |
CN104832651A (zh) * | 2015-05-13 | 2015-08-12 | 福建海源自动化机械股份有限公司 | 一种防尘装置及防尘圈 |
-
2001
- 2001-08-23 CN CN01249548U patent/CN2506820Y/zh not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102128267A (zh) * | 2010-01-12 | 2011-07-20 | Nok株式会社 | 密封系统 |
CN102128267B (zh) * | 2010-01-12 | 2015-11-25 | Nok株式会社 | 密封系统 |
CN102971557A (zh) * | 2011-04-18 | 2013-03-13 | Nok株式会社 | 密封系统 |
CN102954223A (zh) * | 2011-08-26 | 2013-03-06 | 优泰科(苏州)密封技术有限公司 | 一种活塞杆组合密封件 |
CN104832651A (zh) * | 2015-05-13 | 2015-08-12 | 福建海源自动化机械股份有限公司 | 一种防尘装置及防尘圈 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Tongyu County Sanyi Wind Power Equipment Technology Co., Ltd. Assignor: Sanyi Heavy Industry Co., Ltd. Contract record no.: 2010990000489 Denomination of utility model: Water proof device for valve controlled hydraulic cylinder piston rod Granted publication date: 20020821 License type: Exclusive License Record date: 20100705 |
|
EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Tongyu County Sanyi Wind Power Equipment Technology Co., Ltd. Assignor: Sanyi Heavy Industry Co., Ltd. Contract record no.: 2010990000489 Date of cancellation: 20110402 |
|
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |
Expiration termination date: 20110823 Granted publication date: 20020821 |