JPH02143567U - - Google Patents
Info
- Publication number
- JPH02143567U JPH02143567U JP1989053805U JP5380589U JPH02143567U JP H02143567 U JPH02143567 U JP H02143567U JP 1989053805 U JP1989053805 U JP 1989053805U JP 5380589 U JP5380589 U JP 5380589U JP H02143567 U JPH02143567 U JP H02143567U
- Authority
- JP
- Japan
- Prior art keywords
- shaft hole
- sealing device
- fitting
- pressure contact
- bent
- 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 16
- 238000005452 bending Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 3
- 230000004323 axial length Effects 0.000 claims 1
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
Description
第１図〜第１２図は第一〜第四手段の実施例を
示す一部切欠縦断面図、第１３図、第１４図は従
来例を示す一部切欠縦断面図である。
符号の説明、１，２０，４０，６０……オイル
シール（密封装置）、２，２１，４１，６１……
金属環、２ａ，２３，４３，６４……フランジ部
、４，２４，４４，６７……屈曲部、５，２５，
４５，６３……はめ合い部、７，２７，４８，６
８……圧接部、８，２８，５０……案内部、８ａ
，３６……切欠き、１２，３４，４６，６４ａ…
…ハウジング、１３，３５，４７，６５……軸孔
、１５，３７……凹部、１６，２７ａ，５５，７
２……ゴム状弾性体、２９……薄肉部。
1 to 12 are partially cut away longitudinal sectional views showing examples of the first to fourth means, and FIGS. 13 and 14 are partially cut away longitudinal sectional views showing conventional examples. Explanation of symbols, 1, 20, 40, 60... Oil seal (sealing device), 2, 21, 41, 61...
Metal ring, 2a, 23, 43, 64...Flange part, 4, 24, 44, 67...Bending part, 5, 25,
45, 63...Fitting part, 7, 27, 48, 6
8... Pressure contact part, 8, 28, 50... Guide part, 8a
, 36...notch, 12, 34, 46, 64a...
... Housing, 13, 35, 47, 65 ... Shaft hole, 15, 37 ... Recess, 16, 27a, 55, 7
2...Rubber-like elastic body, 29...Thin wall portion.
Claims (1)
合い部と、このはめ合い部の一端から屈曲部を介
して内方に伸びたフランジ部とが金属環により構
成され、前記はめ合い部を、屈曲部を支点として
その自由端側を内方にたわませることにより、軸
孔内に圧入する密封装置において、 前記はめ合い部に、軸孔の内径以上の径を備え
、かつ、軸孔の内周面に流体密に圧接する圧接部
を設けるとともに、この圧接部から自由端側に向
けて、軸孔の内径よりも小径の案内部を形成し、
更に、圧接部を、屈曲部を基準とするはめ合い部
の軸方向の全長のほぼ半分よりも自由端側寄りに
設けた密封装置。 (2) ハウジングの軸孔に流体密に嵌合するはめ
合い部と、このはめ合い部の一端から屈曲部を介
して内方に伸びたフランジ部とが金属環により構
成され、前記はめ合い部を、屈曲部を支点として
その自由端側を内方にたわませることにより、軸
孔内に圧入する密封装置において、 前記はめ合い部に、軸孔の内径以上の径を備え
、かつ、軸孔の内周面に流体密に圧接する圧接部
を設けるとともに、この圧接部と屈曲部との間に
薄肉部を設けた密封装置。 (3) ハウジングの軸孔に嵌合される装置本体の
外周はめ込み部分が、円筒状のはめ合い部と、こ
のはめ合い部の一端から屈曲部を介して内方に伸
びたフランジとにより構成され、前記はめ合い部
を、屈曲部を支点としてその自由端側を内方にた
わませることにより、軸孔内に圧入する密封装置
において、 前記はめ合い部であつて、ハウジングとの接合
面に、環状の凹凸を設けた密封装置。 (4) ハウジングの軸孔に嵌合される装置本体の
外周はめ込み部分が、円筒状のはめ合い部と、こ
のはめ合い部の一端から内方に伸びたフランジ部
とにより構成される密封装置において、 前記はめ合い部の外径を軸孔の径より小さくす
るとともに、はめ合い部に、その自由端の軸孔を
奥側に形成した環状の段差部に押圧した際の押圧
力によつて外方に座屈変形して軸孔の内周面に流
体密に圧接す屈曲部を設けた密封装置。 (5) はめ合い部の自由端側に、軸方向の切欠き
を設けた請求項１または２に記載の密封装置。 (6) はめ合い部の外周面であつて、圧接部と屈
曲部との間に、軸孔の内周面に圧接する環状のゴ
ム状弾性体を設けた請求項１または２に記載の密
封装置。 (7) はめ合い部の外周面であつて、ゴム状弾性
体と屈曲部との間に、環状の凹部を設けた請求項
６に記載の密封装置。 (8) 案内部の外周面は、軸方向に同一径を有す
る請求項１に記載の密封装置。 (9) 圧接部の肉厚を、薄肉部の肉厚よりも薄く
した請求項２に記載の密封装置。 (10) 圧接部が、屈曲部を基準とするはめ合い部
の軸方向の全長のほぼ半分よりも自由端側寄りに
設けられている請求項２に記載の密封装置。 (11) はめ合い部のうち、屈曲部の一帯を薄肉化
した請求項４に記載の密封装置。 (12) 屈曲部の外周面にゴム状弾性体を設けた請
求項４に記載の密封装置。[Claims for Utility Model Registration] (1) A fitting part that fluid-tightly fits into the shaft hole of the housing and a flange part extending inward from one end of this fitting part through a bent part are formed by a metal ring. In the sealing device, which is press-fitted into the shaft hole by bending the free end of the fitting portion inward using the bent portion as a fulcrum, the fitting portion has a diameter larger than or equal to the inner diameter of the shaft hole. a pressure contact part having a diameter of , and which is in fluid-tight pressure contact with the inner circumferential surface of the shaft hole, and a guide part having a diameter smaller than the inner diameter of the shaft hole from the pressure contact part toward the free end side,
Furthermore, the sealing device is provided with a pressure contact portion closer to the free end than approximately half of the total length in the axial direction of the fitting portion based on the bent portion. (2) A fitting part that fluid-tightly fits into the shaft hole of the housing, and a flange part extending inward from one end of the fitting part through a bent part are constituted by a metal ring, and the fitting part in a sealing device that is press-fitted into a shaft hole by bending the free end side inward using a bent portion as a fulcrum, the fitting portion having a diameter equal to or larger than the inner diameter of the shaft hole; A sealing device that is provided with a press-contact portion that is in fluid-tight pressure contact with the inner circumferential surface of a hole, and a thin-walled portion between the press-contact portion and the bent portion. (3) The outer circumferential fitting part of the device body that is fitted into the shaft hole of the housing is composed of a cylindrical fitting part and a flange extending inward from one end of this fitting part through a bent part. , a sealing device in which the fitting portion is press-fitted into the shaft hole by bending the free end side of the fitting portion inward using the bent portion as a fulcrum; , a sealing device with annular irregularities. (4) In a sealing device in which the outer circumferential fitting portion of the device body that is fitted into the shaft hole of the housing is composed of a cylindrical fitting portion and a flange portion extending inward from one end of this fitting portion. The outside diameter of the fitting part is made smaller than the diameter of the shaft hole, and the fitting part is pushed outward by the pressing force when the shaft hole at the free end is pressed against the annular stepped part formed on the back side. A sealing device that has a bent part that buckles in the opposite direction and comes into fluid-tight pressure contact with the inner peripheral surface of the shaft hole. (5) The sealing device according to claim 1 or 2, wherein an axial notch is provided on the free end side of the fitting portion. (6) The seal according to claim 1 or 2, wherein an annular rubber-like elastic body is provided on the outer circumferential surface of the fitting portion, between the pressure contact portion and the bent portion, and is in pressure contact with the inner circumferential surface of the shaft hole. Device. (7) The sealing device according to claim 6, wherein an annular recess is provided between the rubber-like elastic body and the bent portion on the outer peripheral surface of the fitting portion. (8) The sealing device according to claim 1, wherein the outer circumferential surface of the guide portion has the same diameter in the axial direction. (9) The sealing device according to claim 2, wherein the wall thickness of the pressure contact portion is thinner than the wall thickness of the thin wall portion. (10) The sealing device according to claim 2, wherein the pressure contact portion is provided closer to the free end than approximately half of the total axial length of the fitting portion with respect to the bent portion. (11) The sealing device according to claim 4, wherein a region of the bent portion of the fitting portion is thinned. (12) The sealing device according to claim 4, wherein a rubber-like elastic body is provided on the outer peripheral surface of the bent portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989053805U JP2526723Y2 (en) | 1989-05-10 | 1989-05-10 | Sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989053805U JP2526723Y2 (en) | 1989-05-10 | 1989-05-10 | Sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02143567U true JPH02143567U (en) | 1990-12-05 |
| JP2526723Y2 JP2526723Y2 (en) | 1997-02-19 |
Family
ID=31575308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989053805U Expired - Lifetime JP2526723Y2 (en) | 1989-05-10 | 1989-05-10 | Sealing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2526723Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003035365A (en) * | 2001-07-24 | 2003-02-07 | Koyo Sealing Techno Co Ltd | Seal ring |
| JP2007182949A (en) * | 2006-01-10 | 2007-07-19 | Nippon Pillar Packing Co Ltd | Spiral gasket |
| WO2012032678A1 (en) * | 2010-09-11 | 2012-03-15 | イーグル工業株式会社 | Shaft sealing device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6196052U (en) * | 1984-11-30 | 1986-06-20 | ||
| JPS6457460U (en) * | 1987-10-07 | 1989-04-10 |
-
1989
- 1989-05-10 JP JP1989053805U patent/JP2526723Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6196052U (en) * | 1984-11-30 | 1986-06-20 | ||
| JPS6457460U (en) * | 1987-10-07 | 1989-04-10 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003035365A (en) * | 2001-07-24 | 2003-02-07 | Koyo Sealing Techno Co Ltd | Seal ring |
| JP2007182949A (en) * | 2006-01-10 | 2007-07-19 | Nippon Pillar Packing Co Ltd | Spiral gasket |
| WO2012032678A1 (en) * | 2010-09-11 | 2012-03-15 | イーグル工業株式会社 | Shaft sealing device |
| JP5626928B2 (en) * | 2010-09-11 | 2014-11-19 | イーグル工業株式会社 | Shaft seal device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2526723Y2 (en) | 1997-02-19 |
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