JP2019184064A - シール機構及び当該シール機構を備えた装置 - Google Patents
シール機構及び当該シール機構を備えた装置 Download PDFInfo
- Publication number
- JP2019184064A JP2019184064A JP2019072419A JP2019072419A JP2019184064A JP 2019184064 A JP2019184064 A JP 2019184064A JP 2019072419 A JP2019072419 A JP 2019072419A JP 2019072419 A JP2019072419 A JP 2019072419A JP 2019184064 A JP2019184064 A JP 2019184064A
- Authority
- JP
- Japan
- Prior art keywords
- slinger
- shaft member
- case
- seal
- peripheral surface
- 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
- 230000002093 peripheral effect Effects 0.000 claims abstract description 45
- 238000007789 sealing Methods 0.000 claims description 26
- 238000009434 installation Methods 0.000 abstract description 13
- 238000004140 cleaning Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 239000012790 adhesive layer Substances 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
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
- F16J15/32—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
- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/583—Details of specific parts of races
- F16C33/586—Details of specific parts of races outside the space between the races, e.g. end faces or bore of inner ring
-
- 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
- F16C33/7826—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region of the opposing surface cooperating with the seal, e.g. a shoulder surface of a bearing ring
-
- 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
- F16C33/7896—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members with two or more discrete sealings arranged in series
-
- 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
-
- 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
-
- 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
-
- 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
- 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
- F16C33/7869—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward
- F16C33/7873—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward with a single sealing ring of generally L-shaped cross-section
- F16C33/7876—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward with a single sealing ring of generally L-shaped cross-section with sealing lips
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing With Elastic Sealing Lips (AREA)
- Sealing Devices (AREA)
- Sealing Of Bearings (AREA)
Abstract
Description
2 スリンガ
3 シール部材
4 シャフト部材
5 ケース
10 装置
11 筒状部
12 フランジ部
13 凹部
16 カバー部材
17 弾性部材
18 筒状部
19 フランジ部
24 主リング部
25 メインリップ
26 ダストリップ
27 スプリングリング
28 角部
Claims (9)
- シャフト部材と該シャフト部材の少なくとも一部を収容するケースとの間をシールするシール機構であって、
前記シャフト部材の外周面に設けられたスリンガと、
前記ケースと該スリンガとの間に設けられたシール部材と、
前記スリンガの少なくとも一部の露出を防止するカバー部材と、
を備えるシール機構。 - 前記カバー部材は、前記スリンガの端面の少なくとも一部を覆うよう構成される、請求項1に記載のシール機構。
- 前記カバー部材は、前記シャフト部材と一体に形成される、請求項1又は2に記載のシール機構。
- 前記シャフト部材の径方向において、前記カバー部材の外周面と前記ケースの内周面との間の間隔が、伸展姿勢における前記シール部材の寸法よりも大きくなる、請求項1から請求項3のいずれか1項に記載のシール機構。
- 前記シャフト部材の径方向において、前記カバー部材の高さは、前記スリンガの高さと同じかそれよりも低い、請求項1から請求項4のいずれか1項に記載のシール機構。
- シャフト部材と、
該シャフト部材の少なくとも一部を収容するケースと、
該シャフト部材と該ケースとの間をシールするシール機構と、
を備え、
前記シール機構は、
前記シャフト部材の外周面に設けられたスリンガと、
前記ケースと該スリンガとの間に設けられたシール部材と、
前記スリンガの少なくとも一部の露出を防止するカバー部材と、
を含む、装置。 - シャフト部材と、該シャフト部材の少なくとも一部を収容するケースと、の間をシールするシール機構であって、
該シール機構は、
前記シャフト部材の外周面に設けられたスリンガと、
前記ケースと該スリンガとの間に設けられたシール部材と、
凹部を有しており、前記スリンガと前記シャフト部材の外周面との間に設けられた弾性部材と、
を備える、シール機構。 - 前記弾性部材は、筒状部を備え、前記凹部は、該筒状部に配置された、
請求項7に記載のシール機構。 - 前記弾性部材は、該筒状部から前記シャフト部材の径方向内側に延伸するフランジ部を備え、
前記凹部は、該筒状部と該フランジ部と間の角部に配置された、
請求項8に記載のシール機構。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018074229 | 2018-04-06 | ||
JP2018074229 | 2018-04-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019184064A true JP2019184064A (ja) | 2019-10-24 |
JP7478516B2 JP7478516B2 (ja) | 2024-05-07 |
Family
ID=67991564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019072419A Active JP7478516B2 (ja) | 2018-04-06 | 2019-04-05 | シール機構及び当該シール機構を備えた装置 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP7478516B2 (ja) |
KR (1) | KR20190117392A (ja) |
CN (1) | CN110345252B (ja) |
DE (1) | DE102019204878A1 (ja) |
TW (1) | TWI826434B (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117628186B (zh) * | 2024-01-25 | 2024-04-19 | 邢台苏伯特油封制造有限公司 | 一种双向密封的旋转油封 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008267431A (ja) * | 2007-04-17 | 2008-11-06 | Ntn Corp | 複列円すいころ軸受装置 |
JP2009006990A (ja) * | 2007-05-25 | 2009-01-15 | Hitachi Ltd | プロペラシャフトおよび該プロペラシャフトの支持装置 |
JP2009085267A (ja) * | 2007-09-28 | 2009-04-23 | Nabtesco Corp | 歯車装置 |
JP2015212567A (ja) * | 2014-05-07 | 2015-11-26 | 日本精工株式会社 | 転がり軸受 |
DE102017217136A1 (de) * | 2016-10-04 | 2018-04-05 | Nabtesco Corporation | Dichtung und Dichtungsmechanismus |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2630179B1 (fr) * | 1988-04-14 | 1991-03-29 | Procal | Joint d'etancheite en cartouche |
DE4110154C2 (de) * | 1991-03-27 | 1996-08-29 | Bruss Dichtungstechnik | Wellendichtring |
FR2706565B1 (fr) * | 1993-06-14 | 1995-09-01 | Piv Sa | Joint d'étanchéité pour arbre tournant. |
US8991829B2 (en) * | 2007-11-20 | 2015-03-31 | The Timken Company | Non-contact labyrinth seal assembly and method of construction thereof |
JP5218735B2 (ja) * | 2007-12-12 | 2013-06-26 | Nok株式会社 | 密封装置 |
JP2009150417A (ja) | 2007-12-18 | 2009-07-09 | Ntn Corp | 車輪用軸受装置 |
WO2016088872A1 (ja) * | 2014-12-04 | 2016-06-09 | Nok株式会社 | トーショナルダンパとオイルシールとを用いた密封構造 |
JP2017026073A (ja) * | 2015-07-24 | 2017-02-02 | Nok株式会社 | 密封装置 |
JP6724415B2 (ja) * | 2016-02-26 | 2020-07-15 | 株式会社ジェイテクト | 車輪用軸受装置 |
-
2019
- 2019-04-05 JP JP2019072419A patent/JP7478516B2/ja active Active
- 2019-04-05 KR KR1020190040314A patent/KR20190117392A/ko not_active Application Discontinuation
- 2019-04-05 DE DE102019204878.1A patent/DE102019204878A1/de active Pending
- 2019-04-08 CN CN201910277246.6A patent/CN110345252B/zh active Active
- 2019-04-08 TW TW108112162A patent/TWI826434B/zh active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008267431A (ja) * | 2007-04-17 | 2008-11-06 | Ntn Corp | 複列円すいころ軸受装置 |
JP2009006990A (ja) * | 2007-05-25 | 2009-01-15 | Hitachi Ltd | プロペラシャフトおよび該プロペラシャフトの支持装置 |
JP2009085267A (ja) * | 2007-09-28 | 2009-04-23 | Nabtesco Corp | 歯車装置 |
JP2015212567A (ja) * | 2014-05-07 | 2015-11-26 | 日本精工株式会社 | 転がり軸受 |
DE102017217136A1 (de) * | 2016-10-04 | 2018-04-05 | Nabtesco Corporation | Dichtung und Dichtungsmechanismus |
Also Published As
Publication number | Publication date |
---|---|
DE102019204878A1 (de) | 2019-10-10 |
TW201943986A (zh) | 2019-11-16 |
CN110345252A (zh) | 2019-10-18 |
TWI826434B (zh) | 2023-12-21 |
KR20190117392A (ko) | 2019-10-16 |
JP7478516B2 (ja) | 2024-05-07 |
CN110345252B (zh) | 2023-10-13 |
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