JP6423451B2 - 密封装置 - Google Patents
密封装置 Download PDFInfo
- Publication number
- JP6423451B2 JP6423451B2 JP2016568730A JP2016568730A JP6423451B2 JP 6423451 B2 JP6423451 B2 JP 6423451B2 JP 2016568730 A JP2016568730 A JP 2016568730A JP 2016568730 A JP2016568730 A JP 2016568730A JP 6423451 B2 JP6423451 B2 JP 6423451B2
- Authority
- JP
- Japan
- Prior art keywords
- groove
- sealing device
- seal
- cross
- screw groove
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims description 44
- 239000012530 fluid Substances 0.000 claims description 27
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000005086 pumping Methods 0.000 claims description 9
- 230000003068 static effect Effects 0.000 description 5
- 238000011084 recovery Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/164—Sealings between relatively-moving surfaces the sealing action depending on movements; pressure difference, temperature or presence of leaking fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3244—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with hydrodynamic pumping action
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3248—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports
- F16J15/3252—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports
- F16J15/3256—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals
- F16J15/3264—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals the elements being separable from each other
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3436—Pressing means
- F16J15/3456—Pressing means without external means for pressing the ring against the face, e.g. slip-ring with a resilient lip
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Sealing With Elastic Sealing Lips (AREA)
- Sealing Devices (AREA)
Description
すなわち本発明の密封装置は、非回転のハウジング側に装着されるシールリップが回転軸側のシールフランジの軸方向端面に摺動可能に接触する構造を備え、前記シールフランジの軸方向端面に回転時、流体ポンピング作用を発揮するネジ溝を設けた密封装置において、前記ネジ溝は、その断面形状を溝開口部を底辺とする二等辺三角形とされることにより前記ネジ溝の内面として内周側斜面および外周側斜面を備えるとともに前記両斜面を繋ぐ断面円弧形の溝底部を備えることを特徴とする。
11 スリンガー
12 スリーブ部
13 フランジ部(シールフランジ)
13a 機外側端面(軸方向端面)
15 ネジ溝
15a 内周側斜面
15b 外周側斜面
15c 溝底部
21 リップシール部材
22 取付環
23 ゴム状弾性体
24 シールリップ
24a 基端部
24b 先端部
25 油回収リップ
26 ダストリップ
51 ハウジング
52 軸孔
61 回転軸
c スキマ
A 機内側
B 機外側
Claims (2)
- 非回転のハウジング側に装着されるシールリップが回転軸側のシールフランジの軸方向端面に摺動可能に接触する構造を備え、前記シールフランジの軸方向端面に回転時、流体ポンピング作用を発揮するネジ溝を設けた密封装置において、
前記ネジ溝は、その断面形状を溝開口部を底辺とする二等辺三角形とされることにより前記ネジ溝の内面として内周側斜面および外周側斜面を備えるとともに前記両斜面を繋ぐ断面円弧形の溝底部を備えることを特徴とする密封装置。 - 請求項1記載の密封装置において、
前記断面円弧形の溝底部は、その円弧形の曲率半径を前記ネジ溝の溝深さよりも大きく設定されていることを特徴とする密封装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015002202 | 2015-01-08 | ||
JP2015002202 | 2015-01-08 | ||
PCT/JP2016/050186 WO2016111303A1 (ja) | 2015-01-08 | 2016-01-06 | 密封装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2016111303A1 JPWO2016111303A1 (ja) | 2017-11-02 |
JP6423451B2 true JP6423451B2 (ja) | 2018-11-14 |
Family
ID=56355990
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016568730A Active JP6423451B2 (ja) | 2015-01-08 | 2016-01-06 | 密封装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10267422B2 (ja) |
EP (1) | EP3244100B1 (ja) |
JP (1) | JP6423451B2 (ja) |
CN (1) | CN107076306B (ja) |
WO (1) | WO2016111303A1 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3032148B1 (de) * | 2014-12-10 | 2017-12-06 | BRUSS Sealing Systems GmbH | Axialer wellendichtring |
CN107208802B (zh) * | 2015-04-02 | 2018-10-19 | Nok株式会社 | 密封装置 |
US10746303B2 (en) * | 2015-11-30 | 2020-08-18 | Nok Corporation | Seal device |
US10914379B2 (en) * | 2016-09-21 | 2021-02-09 | Nok Corporation | Dust cover |
IT201600113594A1 (it) * | 2016-11-10 | 2018-05-10 | Freudenberg Sealing Tech S A S Di Externa Italia S R L U | Gruppo di tenuta per un organo rotante |
EP3546806B1 (en) * | 2016-11-25 | 2023-03-15 | NOK Corporation | Sealing device |
CN110709632B (zh) * | 2017-06-02 | 2022-05-06 | Nok株式会社 | 密封装置 |
JP2019120327A (ja) * | 2018-01-09 | 2019-07-22 | Nok株式会社 | 密封装置 |
JP2019120328A (ja) * | 2018-01-09 | 2019-07-22 | Nok株式会社 | 密封装置 |
JP7051443B2 (ja) * | 2018-01-09 | 2022-04-11 | Nok株式会社 | 密封装置 |
US20190226584A1 (en) * | 2018-01-19 | 2019-07-25 | American Axle & Manufacturing, Inc. | Lip seal with air-side spring |
DE102020209677A1 (de) * | 2020-07-31 | 2022-02-03 | Aktiebolaget Skf | Lageranordnung |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55177549U (ja) * | 1979-06-07 | 1980-12-19 | ||
JPH02113173A (ja) * | 1988-10-20 | 1990-04-25 | Nok Corp | 密封装置 |
JPH0743550Y2 (ja) * | 1989-10-11 | 1995-10-09 | エヌオーケー株式会社 | 密封装置 |
KR101242051B1 (ko) * | 2004-03-23 | 2013-03-12 | 엔오케이 가부시키가이샤 | 회전검출요소를 구비한 밀봉장치 |
CN201731067U (zh) * | 2010-07-28 | 2011-02-02 | 青岛开世密封工业有限公司 | 一种带回油孔的密封圈 |
CN202301953U (zh) * | 2011-08-04 | 2012-07-04 | 青岛开世密封工业有限公司 | 具有主动散热功能的密封圈 |
US20130175763A1 (en) * | 2012-01-10 | 2013-07-11 | Freudenberg-Nok General Partnership | Lubricated Shaft Seal |
JP6054135B2 (ja) * | 2012-10-23 | 2016-12-27 | Nok株式会社 | オイルシール |
JP2014137129A (ja) | 2013-01-18 | 2014-07-28 | Toyota Motor Corp | 密封装置 |
-
2016
- 2016-01-06 EP EP16735042.0A patent/EP3244100B1/en active Active
- 2016-01-06 WO PCT/JP2016/050186 patent/WO2016111303A1/ja active Application Filing
- 2016-01-06 CN CN201680003207.1A patent/CN107076306B/zh not_active Expired - Fee Related
- 2016-01-06 US US15/540,470 patent/US10267422B2/en active Active
- 2016-01-06 JP JP2016568730A patent/JP6423451B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
US20180023707A1 (en) | 2018-01-25 |
EP3244100A1 (en) | 2017-11-15 |
CN107076306B (zh) | 2019-01-11 |
CN107076306A (zh) | 2017-08-18 |
WO2016111303A1 (ja) | 2016-07-14 |
US10267422B2 (en) | 2019-04-23 |
EP3244100A4 (en) | 2018-01-17 |
EP3244100B1 (en) | 2020-05-13 |
JPWO2016111303A1 (ja) | 2017-11-02 |
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