JPH0293571U - - Google Patents
Info
- Publication number
- JPH0293571U JPH0293571U JP1989002536U JP253689U JPH0293571U JP H0293571 U JPH0293571 U JP H0293571U JP 1989002536 U JP1989002536 U JP 1989002536U JP 253689 U JP253689 U JP 253689U JP H0293571 U JPH0293571 U JP H0293571U
- Authority
- JP
- Japan
- Prior art keywords
- seal body
- lip
- contact type
- sealing device
- outer seal
- 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 description 8
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
- 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
- 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
- F16C33/80—Labyrinth sealings
- F16C33/805—Labyrinth sealings in addition to other sealings, e.g. dirt guards to protect sealings with 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
- 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
- F16C33/784—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race
- F16C33/7843—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc
- F16C33/7853—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc with one or more sealing lips to contact the inner race
-
- 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
- F16C33/7889—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to an inner race and extending toward the outer race
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Description
第１図は本考案の一実施例を示す部分断面図、
第２図ないし第４図、第６図はそれぞれ他の実施
例を示す部分断面図で、第５図は第４図の要部を
示す拡大図である。また、第７図は従来例の部分
断面図である。
１……内側シール体、４……外輪（外側部材）
、５……内輪（内側部材）、６……外側シール体
、６Ａ……筒状嵌着部、７……延出部、７Ｃ……
長寸環状部、Ｚ……非接触型密封部。
FIG. 1 is a partial sectional view showing an embodiment of the present invention;
2 to 4 and 6 are partial sectional views showing other embodiments, and FIG. 5 is an enlarged view showing the main part of FIG. 4. Moreover, FIG. 7 is a partial sectional view of a conventional example. 1...Inner seal body, 4...Outer ring (outer member)
, 5... Inner ring (inner member), 6... Outer seal body, 6A... Cylindrical fitting part, 7... Extension part, 7C...
Long annular part, Z...non-contact sealing part.
Claims (1)
部材に弾性体を介して嵌着されて他方部材側で密
封部を形成する内側シール体と、他方部材に嵌着
されて一方部材側で密封部を形成する外側シール
体とが回転軸心方向で並設された二重構造の密封
装置において、 外側シール体を、取付相手部材に圧入にて嵌着
される幅広の筒状嵌着部と、 この筒状嵌着部に径方向に沿つて連成され、内
側シール体の外側面に近接して非接触型密封部を
形成する延出部と、 を備えた構成としたことを特徴とする密封装置。 (2) 前記外側シール体の延出部の先端部に、前
記一方部材との間で非接触型密封部を形成する部
分を設けていることを特徴とする請求項第１項に
記載の密封装置。 (3) 前記外側シール体の延出部の先端部に、前
記一方部材に接触して接触型密封部を形成するリ
ツプを設けていることを特徴とする請求項第１項
に記載の密封装置。 (4) 前記外側シール体が内側部材に取り付けら
れるものであつて、その延出部の先端部に、基部
が先縁部よりも薄肉に設定されかつ外側部材との
間に接触型密封部を形成するリツプを設け、かつ
、外側部材の内周面に前記リツプの揺動時の揺動
位置毎に当該リツプの接触圧を可変する傾斜面が
設けられていることを特徴とする請求項第１項に
記載の密封装置。[Claims for Utility Model Registration] (1) An inner seal body that is fitted to one of two relatively rotating inner and outer members via an elastic body to form a sealed portion on the other member side; In a double-structured sealing device in which an outer seal body is fitted to form a sealed portion on one member side and is arranged side by side in the direction of the rotation axis, the outer seal body is press-fitted into the other member to which it is attached. a wide cylindrical fitting part; an extending part that is connected to the cylindrical fitting part in the radial direction and forms a non-contact type sealing part in proximity to the outer surface of the inner seal body; A sealing device characterized by having a configuration. (2) The seal according to claim 1, characterized in that a portion forming a non-contact type sealing portion with the one member is provided at the tip of the extending portion of the outer seal body. Device. (3) The sealing device according to claim 1, wherein a lip is provided at the tip of the extending portion of the outer seal body to contact the one member and form a contact type sealing portion. . (4) The outer seal body is attached to the inner member, and the base part is thinner than the leading edge part at the tip of the extending part, and a contact type seal part is provided between the outer seal body and the outer member. Claim 1, further comprising a lip formed on the outer member, and an inclined surface provided on the inner circumferential surface of the outer member to vary the contact pressure of the lip for each swinging position when the lip swings. The sealing device according to item 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989002536U JPH0726609Y2 (en) | 1989-01-12 | 1989-01-12 | Rolling bearing sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989002536U JPH0726609Y2 (en) | 1989-01-12 | 1989-01-12 | Rolling bearing sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0293571U true JPH0293571U (en) | 1990-07-25 |
| JPH0726609Y2 JPH0726609Y2 (en) | 1995-06-14 |
Family
ID=31203386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989002536U Expired - Lifetime JPH0726609Y2 (en) | 1989-01-12 | 1989-01-12 | Rolling bearing sealing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0726609Y2 (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0783333A (en) * | 1993-09-17 | 1995-03-28 | Mutsubishi Gomme Kk | Rotary shaft part sealing device |
| JP2002323138A (en) * | 2001-04-25 | 2002-11-08 | Koyo Seiko Co Ltd | Sealing device and bearing for axle |
| JP2006214550A (en) * | 2005-02-04 | 2006-08-17 | Ntn Corp | Sealed rolling bearing |
| JP2007092889A (en) * | 2005-09-29 | 2007-04-12 | Ntn Corp | Rolling bearing |
| JP2012189101A (en) * | 2011-03-09 | 2012-10-04 | Ntn Corp | Rolling bearing with filter |
| WO2014054616A1 (en) | 2012-10-05 | 2014-04-10 | Ntn株式会社 | Sealed roller bearing |
| JP2015148304A (en) * | 2014-02-07 | 2015-08-20 | Ntn株式会社 | Sealed ball bearing of double seal structure |
| JP2017048870A (en) * | 2015-09-03 | 2017-03-09 | 内山工業株式会社 | Sealing device |
| JP2017106514A (en) * | 2015-12-08 | 2017-06-15 | 内山工業株式会社 | Seal device |
| WO2017204058A1 (en) * | 2016-05-24 | 2017-11-30 | Ntn株式会社 | Bearing sealing device |
| WO2019054197A1 (en) * | 2017-09-14 | 2019-03-21 | オイレス工業株式会社 | Slide bearing |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102621711B1 (en) | 2018-11-20 | 2024-01-08 | 현대자동차주식회사 | Seal assembly for wheel bearing |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5838038U (en) * | 1981-09-09 | 1983-03-12 | 日本精工株式会社 | Sealed bearing with slinger |
| JPS59127962U (en) * | 1983-02-17 | 1984-08-28 | 三菱自動車工業株式会社 | Seal structure of rotating shaft part |
-
1989
- 1989-01-12 JP JP1989002536U patent/JPH0726609Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5838038U (en) * | 1981-09-09 | 1983-03-12 | 日本精工株式会社 | Sealed bearing with slinger |
| JPS59127962U (en) * | 1983-02-17 | 1984-08-28 | 三菱自動車工業株式会社 | Seal structure of rotating shaft part |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0783333A (en) * | 1993-09-17 | 1995-03-28 | Mutsubishi Gomme Kk | Rotary shaft part sealing device |
| JP2002323138A (en) * | 2001-04-25 | 2002-11-08 | Koyo Seiko Co Ltd | Sealing device and bearing for axle |
| JP4560989B2 (en) * | 2001-04-25 | 2010-10-13 | 株式会社ジェイテクト | Sealing device and axle bearing device |
| JP2006214550A (en) * | 2005-02-04 | 2006-08-17 | Ntn Corp | Sealed rolling bearing |
| JP4676212B2 (en) * | 2005-02-04 | 2011-04-27 | Ｎｔｎ株式会社 | Sealed rolling bearing |
| JP2007092889A (en) * | 2005-09-29 | 2007-04-12 | Ntn Corp | Rolling bearing |
| JP2012189101A (en) * | 2011-03-09 | 2012-10-04 | Ntn Corp | Rolling bearing with filter |
| WO2014054616A1 (en) | 2012-10-05 | 2014-04-10 | Ntn株式会社 | Sealed roller bearing |
| JP2015148304A (en) * | 2014-02-07 | 2015-08-20 | Ntn株式会社 | Sealed ball bearing of double seal structure |
| JP2017048870A (en) * | 2015-09-03 | 2017-03-09 | 内山工業株式会社 | Sealing device |
| JP2017106514A (en) * | 2015-12-08 | 2017-06-15 | 内山工業株式会社 | Seal device |
| WO2017204058A1 (en) * | 2016-05-24 | 2017-11-30 | Ntn株式会社 | Bearing sealing device |
| JP2017210992A (en) * | 2016-05-24 | 2017-11-30 | Ntn株式会社 | Bearing seal device |
| US10648571B2 (en) | 2016-05-24 | 2020-05-12 | Ntn Corporation | Bearing sealing device |
| WO2019054197A1 (en) * | 2017-09-14 | 2019-03-21 | オイレス工業株式会社 | Slide bearing |
| JP2019052692A (en) * | 2017-09-14 | 2019-04-04 | オイレス工業株式会社 | Slide bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0726609Y2 (en) | 1995-06-14 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |