JP6864624B2 - ディファレンシャル機構用密封装置 - Google Patents
ディファレンシャル機構用密封装置 Download PDFInfo
- Publication number
- JP6864624B2 JP6864624B2 JP2017540942A JP2017540942A JP6864624B2 JP 6864624 B2 JP6864624 B2 JP 6864624B2 JP 2017540942 A JP2017540942 A JP 2017540942A JP 2017540942 A JP2017540942 A JP 2017540942A JP 6864624 B2 JP6864624 B2 JP 6864624B2
- Authority
- JP
- Japan
- Prior art keywords
- tip
- deflector
- sealing device
- abdomen
- lip
- 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.)
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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
- F16J15/34—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
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/782—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region
- F16C33/7823—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region of sealing lips
-
- 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
- F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
-
- 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
- F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
- F16J15/3236—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips with at least one lip for each surface, e.g. U-cup packings
-
- 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
- F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
-
- 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
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3208—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip provided with tension elements, e.g. elastic rings
- F16J15/3212—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip provided with tension elements, e.g. elastic rings with metal springs
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)
- General Details Of Gearings (AREA)
Description
10,101 補強環
11 円筒部
12 フランジ部
20,102 弾性体部
21,103 シールリップ
22,104 ダストリップ
22a 突起
23,105 サイドリップ
24 リップ腰部
25 リップ先端部
25a テーパ面
25b ネジ突起
26 ガータスプリング
27 ガスケット部
28 後方カバー部
29 ライニング部
31,120 先端部
31a,32a,33a 内周面
31b,32b,33b 外周面
32,122 腹部
33 根元部
34,121 先端
50 トランスアクスル
51,111 車軸
51a 外周面
52,113 デフレクタ
53,113a 摺動面
54,112 ハウジング
55,114 貫通孔
55a 内周面
200 密封性能試験機
201 車軸相当部
202 デフレクタ相当部
203 ハウジング相当部
204 光源
205 撮像部
210 摺動面相当部
c1 内周接続部
c2 外周接続部
l1,l2,l3 長さ
p,p1,p2 接触圧力
s 隙間
Δp,Δpc 差圧
x 軸線
w1,w2,w3 厚さ
δ,δ1,δ2 接触幅
θ 傾斜角度
φ 直径
Claims (5)
- ディファレンシャル機構を収容するハウジングに形成された貫通孔と該貫通孔に回動自在に挿通される前記ディファレンシャル機構の出力軸との間の密封を図るためのディファレンシャル機構用密封装置であって、
軸線を中心とする環状の補強環と、
前記補強環に取り付けられている前記軸線を中心とする環状の弾性体から形成された弾性体部とを備え、
前記弾性体部は、前記出力軸に該出力軸が摺動可能に当接する環状のシールリップと、該シールリップよりも外側に設けられており前記出力軸に該出力軸が摺動可能に当接する環状のダストリップと、前記出力軸に取り付けられた環状のデフレクタに該デフレクタが摺動可能に当接する前記ダストリップよりも外周側において前記外側に向かって延びる環状のサイドリップとを有しており、
前記サイドリップは、前記軸線方向において外側に向かうに連れて拡径する環状の腹部と、該腹部に接続する前記腹部よりも外側の部分であって前記軸線方向において外側に向かうに連れて拡径する環状の先端部とを有しており、前記先端部及び前記腹部の少なくとも前記先端部において前記デフレクタに当接し、
前記サイドリップにおいて、前記先端部は、前記腹部から内周側に屈曲しており、
前記サイドリップの前記先端部の厚さは一定の厚さとなっており、前記サイドリップの前記腹部の厚さは一定の厚さとなっていることを特徴とするディファレンシャル機構用密封装置。 - 前記サイドリップは、該サイドリップの先端と前記デフレクタとの間の当接が解除されないような、前記腹部における前記デフレクタに対する接触圧力に対した前記先端部における前記デフレクタに対する接触圧力となるように、前記先端部が前記腹部から屈曲しており、前記先端部の寸法が設定されており、且つ前記弾性体部を形成する前記弾性体の物性が設定されていることを特徴とする請求項1記載のディファレンシャル機構用密封装置。
- 前記サイドリップの前記先端部は、厚さが前記弾性体の硬度に基づいて設定されていることを特徴とする請求項2記載のディファレンシャル機構用密封装置。
- 前記先端部は、前記軸線を中心とする円錐筒状の形状を呈しており、前記腹部は、前記軸線を中心とする円錐筒状の形状を呈していることを特徴とする請求項1乃至3のいずれか1項記載のディファレンシャル機構用密封装置。
- 前記サイドリップは、前記軸線方向に延びる環状の根元部を有しており、前記腹部は、前記根元部に接続する前記根元部よりも外側の部分であることを特徴とする請求項1乃至4のいずれか1項記載のディファレンシャル機構用密封装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015187596 | 2015-09-25 | ||
JP2015187596 | 2015-09-25 | ||
PCT/JP2016/078189 WO2017051920A1 (ja) | 2015-09-25 | 2016-09-26 | ディファレンシャル機構用密封装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2017051920A1 JPWO2017051920A1 (ja) | 2018-07-12 |
JP6864624B2 true JP6864624B2 (ja) | 2021-04-28 |
Family
ID=58386092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017540942A Active JP6864624B2 (ja) | 2015-09-25 | 2016-09-26 | ディファレンシャル機構用密封装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11261968B2 (ja) |
EP (1) | EP3351833B1 (ja) |
JP (1) | JP6864624B2 (ja) |
CN (1) | CN108027067B (ja) |
WO (1) | WO2017051920A1 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD802104S1 (en) * | 2015-09-25 | 2017-11-07 | Nok Corporation | Seal |
US11460110B2 (en) | 2018-04-06 | 2022-10-04 | Nok Corporation | Sealing device |
JP7123658B2 (ja) * | 2018-06-25 | 2022-08-23 | Nok株式会社 | 密封装置 |
EP3822521A4 (en) * | 2018-07-09 | 2022-03-16 | NOK Corporation | SEALING DEVICE |
CN112166268B (zh) | 2018-08-28 | 2023-01-31 | Nok株式会社 | 树脂制盖中的密封结构 |
JP7097451B2 (ja) * | 2019-03-05 | 2022-07-07 | Nok株式会社 | 密封装置 |
CN113167387A (zh) * | 2019-03-20 | 2021-07-23 | Nok株式会社 | 密封装置 |
JP7163491B2 (ja) * | 2019-05-20 | 2022-10-31 | Nok株式会社 | 密封装置 |
JP7407526B2 (ja) * | 2019-07-04 | 2024-01-04 | Nok株式会社 | 密封装置 |
JP7391646B2 (ja) * | 2019-12-10 | 2023-12-05 | Nok株式会社 | 密封装置 |
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US11460110B2 (en) * | 2018-04-06 | 2022-10-04 | Nok Corporation | Sealing device |
-
2016
- 2016-09-26 WO PCT/JP2016/078189 patent/WO2017051920A1/ja active Application Filing
- 2016-09-26 CN CN201680055487.0A patent/CN108027067B/zh active Active
- 2016-09-26 JP JP2017540942A patent/JP6864624B2/ja active Active
- 2016-09-26 EP EP16848708.0A patent/EP3351833B1/en active Active
-
2018
- 2018-03-22 US US15/928,478 patent/US11261968B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP3351833A1 (en) | 2018-07-25 |
CN108027067A (zh) | 2018-05-11 |
US20180209546A1 (en) | 2018-07-26 |
EP3351833A4 (en) | 2019-06-12 |
WO2017051920A1 (ja) | 2017-03-30 |
EP3351833B1 (en) | 2020-07-08 |
US11261968B2 (en) | 2022-03-01 |
CN108027067B (zh) | 2020-07-28 |
JPWO2017051920A1 (ja) | 2018-07-12 |
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