JPS58194286U - Excavation machine shaft sealing device - Google Patents
Excavation machine shaft sealing deviceInfo
- Publication number
- JPS58194286U JPS58194286U JP9241782U JP9241782U JPS58194286U JP S58194286 U JPS58194286 U JP S58194286U JP 9241782 U JP9241782 U JP 9241782U JP 9241782 U JP9241782 U JP 9241782U JP S58194286 U JPS58194286 U JP S58194286U
- Authority
- JP
- Japan
- Prior art keywords
- sealing device
- fitted
- heat
- seal
- rotating shaft
- 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.)
- Pending
Links
Landscapes
- Earth Drilling (AREA)
- Sealing Devices (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来例を示す断面図、第２図は本考案の実施例
を示す断面図、第３図はシールリングを示す斜視図であ
る。FIG. 1 is a sectional view showing a conventional example, FIG. 2 is a sectional view showing an embodiment of the present invention, and FIG. 3 is a perspective view showing a seal ring.
Claims (1)
３ａ、３ｂと、回転軸外周面との間の空間に、回転軸に
嵌合した耐熱性を有する弾性リング６と、この弾性リン
グ６の外周と環状内径部３ａ、３ｂの間に、円周方向１
個所を合い口９にて切断した複数個の耐熱性を有するシ
ールリング７ａ、７ｂ、７ｃを軸方向にならべて嵌合し
、また上記環状内径部３ａ、３ｂ内に、上記弾性リング
６およびシールリング７ａ、７ｂ、７ｃの一側部をバッ
クアップする耐熱性を有するバックアップリング８を回
転軸に嵌合して設け、内径部３ａ。 ３ｂの内面とシールリング７ａ、７ｂ、７ｃの外周面に
は回転方向に摺動するようにしたことを特徴とする掘削
機械の軸封装置。[Claims for Utility Model Registration] A heat-resistant elastic ring fitted to the rotating shaft in the space between the annular inner diameter portions 3a and 3b provided on the retainer 3 fixed to the cylinder 4 and the outer peripheral surface of the rotating shaft. 6, and between the outer periphery of the elastic ring 6 and the annular inner diameter portions 3a, 3b, a circumferential direction 1
A plurality of heat-resistant seal rings 7a, 7b, 7c cut at joints 9 are fitted in the axial direction, and the elastic ring 6 and the seal A heat-resistant backup ring 8 that backs up one side of the rings 7a, 7b, and 7c is fitted to the rotating shaft, and the inner diameter portion 3a. A shaft sealing device for an excavating machine, characterized in that the inner surface of the seal ring 3b and the outer circumferential surface of the seal rings 7a, 7b, and 7c are configured to slide in the rotational direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9241782U JPS58194286U (en) | 1982-06-22 | 1982-06-22 | Excavation machine shaft sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9241782U JPS58194286U (en) | 1982-06-22 | 1982-06-22 | Excavation machine shaft sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58194286U true JPS58194286U (en) | 1983-12-24 |
Family
ID=30100537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9241782U Pending JPS58194286U (en) | 1982-06-22 | 1982-06-22 | Excavation machine shaft sealing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58194286U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02145359U (en) * | 1989-05-15 | 1990-12-10 | ||
| JP2008290373A (en) * | 2007-05-25 | 2008-12-04 | Meiki Co Ltd | Sealing mechanism of rear end part of heating cylinder |
| WO2013077398A1 (en) * | 2011-11-25 | 2013-05-30 | 日立オートモティブシステムズ株式会社 | Pump device |
| JP2016075382A (en) * | 2014-10-09 | 2016-05-12 | 日本バルカー工業株式会社 | Composite seal member for excavator |
-
1982
- 1982-06-22 JP JP9241782U patent/JPS58194286U/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02145359U (en) * | 1989-05-15 | 1990-12-10 | ||
| JP2008290373A (en) * | 2007-05-25 | 2008-12-04 | Meiki Co Ltd | Sealing mechanism of rear end part of heating cylinder |
| JP4744478B2 (en) * | 2007-05-25 | 2011-08-10 | 株式会社名機製作所 | Sealing mechanism at the rear end of the heating cylinder |
| WO2013077398A1 (en) * | 2011-11-25 | 2013-05-30 | 日立オートモティブシステムズ株式会社 | Pump device |
| JP2013113102A (en) * | 2011-11-25 | 2013-06-10 | Hitachi Automotive Systems Ltd | Pump device |
| US9709056B2 (en) | 2011-11-25 | 2017-07-18 | Hitachi Automotive Systems, Ltd. | Sealing for a pump device |
| JP2016075382A (en) * | 2014-10-09 | 2016-05-12 | 日本バルカー工業株式会社 | Composite seal member for excavator |
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