JPH0383260U - - Google Patents
Info
- Publication number
- JPH0383260U JPH0383260U JP14332289U JP14332289U JPH0383260U JP H0383260 U JPH0383260 U JP H0383260U JP 14332289 U JP14332289 U JP 14332289U JP 14332289 U JP14332289 U JP 14332289U JP H0383260 U JPH0383260 U JP H0383260U
- Authority
- JP
- Japan
- Prior art keywords
- rotary joint
- swing table
- swing
- groove
- ring
- 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
Landscapes
- Component Parts Of Construction Machinery (AREA)
Description
第１図は本考案の一実施例によるロータリージ
ヨイントまわりのシール構造の断面図、第２図は
第１図のロータリージヨイントの平面図、第３図
は従来のロータリージヨイントを含む旋回装置の
断面図、第４図は第３図のロータリージヨイント
まわりのシール構造を拡大して示す断面図、第５
図は第４図のロータリージヨイントの平面図であ
る。
Fig. 1 is a sectional view of a seal structure around a rotary joint according to an embodiment of the present invention, Fig. 2 is a plan view of the rotary joint shown in Fig. 1, and Fig. 3 is a conventional rotating device including a rotary joint. Figure 4 is an enlarged cross-sectional view of the seal structure around the rotary joint in Figure 3;
The figure is a plan view of the rotary joint of FIG. 4.
Claims (1)
回中心部に設けられたロータリージヨイントとを
有する旋回装置において該ロータリージヨイント
とスイングテーブルとの間をシールするに、該ロ
ータリージヨイントのフランジ部外周面に周溝を
設け、該周溝内にＯ−リングを挿入し、該Ｏ−リ
ングの外周部をスイングテーブル内周面に密着さ
せたことを特徴とするロータリージヨイントまわ
りのシール構造。 ２ 前記ロータリージヨイントのフランジ部の外
周部に切欠き溝を有する突出部を設け、該切欠き
溝を前記スイングテーブル上に立設したストツパ
ピンに係止させたことを特徴とする第１項記載の
シール構造。[Claims for Utility Model Registration] 1. In a swing device having a swing table and a rotary joint provided at the center of rotation of the swing table, the rotary joint is used to seal between the rotary joint and the swing table. A rotary joint characterized in that a circumferential groove is provided on the outer circumferential surface of the flange portion of the joint, an O-ring is inserted into the circumferential groove, and the outer circumferential portion of the O-ring is brought into close contact with the inner circumferential surface of the swing table. Seal structure. 2. The rotary joint according to item 1, wherein a protruding portion having a notched groove is provided on the outer circumference of the flange portion of the rotary joint, and the notched groove is engaged with a stopper pin provided upright on the swing table. Seal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14332289U JPH0643252Y2 (en) | 1989-12-12 | 1989-12-12 | Seal structure around the rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14332289U JPH0643252Y2 (en) | 1989-12-12 | 1989-12-12 | Seal structure around the rotary joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0383260U true JPH0383260U (en) | 1991-08-23 |
| JPH0643252Y2 JPH0643252Y2 (en) | 1994-11-09 |
Family
ID=31690099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14332289U Expired - Lifetime JPH0643252Y2 (en) | 1989-12-12 | 1989-12-12 | Seal structure around the rotary joint |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0643252Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002138511A (en) * | 2000-11-02 | 2002-05-14 | Kubota Corp | Swivel operating machine |
| JP2019163647A (en) * | 2018-03-20 | 2019-09-26 | 株式会社日立建機ティエラ | Construction machine |
-
1989
- 1989-12-12 JP JP14332289U patent/JPH0643252Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002138511A (en) * | 2000-11-02 | 2002-05-14 | Kubota Corp | Swivel operating machine |
| JP2019163647A (en) * | 2018-03-20 | 2019-09-26 | 株式会社日立建機ティエラ | Construction machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0643252Y2 (en) | 1994-11-09 |