JP2021167658A - 密封装置および密封構造 - Google Patents
密封装置および密封構造 Download PDFInfo
- Publication number
- JP2021167658A JP2021167658A JP2020071930A JP2020071930A JP2021167658A JP 2021167658 A JP2021167658 A JP 2021167658A JP 2020071930 A JP2020071930 A JP 2020071930A JP 2020071930 A JP2020071930 A JP 2020071930A JP 2021167658 A JP2021167658 A JP 2021167658A
- Authority
- JP
- Japan
- Prior art keywords
- sealing device
- reinforcing ring
- housing
- curved end
- outer curved
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 89
- 230000003014 reinforcing effect Effects 0.000 claims description 41
- 230000002787 reinforcement Effects 0.000 abstract 3
- 230000004048 modification Effects 0.000 description 26
- 238000012986 modification Methods 0.000 description 26
- 238000005452 bending Methods 0.000 description 18
- 238000006073 displacement reaction Methods 0.000 description 16
- 239000000428 dust Substances 0.000 description 9
- 230000002093 peripheral effect Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 239000007769 metal material Substances 0.000 description 6
- 238000000465 moulding Methods 0.000 description 6
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 230000002265 prevention Effects 0.000 description 4
- 229920000459 Nitrile rubber Polymers 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- 229920000800 acrylic rubber Polymers 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
Images
Landscapes
- Sealing Devices (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
Description
Claims (4)
- 円筒部と、前記円筒部から径方向内側へ延びるフランジと、を持つ補強環と、
前記フランジに設けられ、径方向内側へ突き出たリップを持つ密封用弾性体と、
を備え、
前記補強環は、前記円筒部に設けられ前記円筒部よりも径方向外側へひろがった外曲端部をさらに備える密封装置。 - 前記外曲端部は、前記径方向外側へテーパ状にひろがるように前記円筒部の端部から曲がった請求項1に記載の密封装置。
- 前記外曲端部は、前記補強環の周方向に沿って配置された複数個のスリットを備える請求項1または2に記載の密封装置。
- 請求項1から3のいずれか1項に記載の密封装置と、
前記補強環の径方向外側に設けられ、前記補強環が配置される取付部を持つハウジングと、
を備え、
前記取付部は、径方向内側に突出し前記補強環の抜けを抑制する抜止め突起を有する密封構造。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020071930A JP7489816B2 (ja) | 2020-04-13 | 2020-04-13 | 密封装置および密封構造 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020071930A JP7489816B2 (ja) | 2020-04-13 | 2020-04-13 | 密封装置および密封構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021167658A true JP2021167658A (ja) | 2021-10-21 |
JP7489816B2 JP7489816B2 (ja) | 2024-05-24 |
Family
ID=78079652
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020071930A Active JP7489816B2 (ja) | 2020-04-13 | 2020-04-13 | 密封装置および密封構造 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP7489816B2 (ja) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2743604Y (zh) | 2004-12-02 | 2005-11-30 | 杭州德意万向节有限公司 | 一种带防尘罩的十字轴万向节 |
CN102200171B (zh) | 2010-03-25 | 2012-12-26 | 万向钱潮股份有限公司 | 万向节的预紧式双唇口密封结构 |
JP5741108B2 (ja) | 2011-03-22 | 2015-07-01 | 日本精工株式会社 | 転がり軸受 |
-
2020
- 2020-04-13 JP JP2020071930A patent/JP7489816B2/ja active Active
Also Published As
Publication number | Publication date |
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JP7489816B2 (ja) | 2024-05-24 |
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