JPH01166861U - - Google Patents
Info
- Publication number
- JPH01166861U JPH01166861U JP1988059121U JP5912188U JPH01166861U JP H01166861 U JPH01166861 U JP H01166861U JP 1988059121 U JP1988059121 U JP 1988059121U JP 5912188 U JP5912188 U JP 5912188U JP H01166861 U JPH01166861 U JP H01166861U
- Authority
- JP
- Japan
- Prior art keywords
- lip portion
- axial direction
- lip
- seal
- appropriate intervals
- 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 5
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
Description
図面はこの考案の実施例に関し、第１図は第４
図のフレキシブルロータポンプにおいてシール装
置２６を装着されている範囲の構造図、第２図は
第１図の変形例の構造図、第３図は第２図の変形
例の構造図、第４図はフレキシブルロータポンプ
１０の構造を示す横断面図である。
２４……駆動軸（回転軸）、２６，２６ｂ，２
６ｃ……シール装置、２８……嵌合部、３０……
リツプ部、３６，３６ａ，３６ｂ，３６ｃ……シ
ールリツプ、４０……環状溝、４２……ガータス
プリング、４４ａ，４４ｂ，４４ｃ……接触部分
。
The drawings relate to an embodiment of this invention, and Fig. 1 shows Fig. 4.
A structural diagram of the range in which the sealing device 26 is installed in the flexible rotor pump shown in the figure, Fig. 2 is a structural diagram of a modification of Fig. 1, Fig. 3 is a structural diagram of a modification of Fig. 2, and Fig. 4 1 is a cross-sectional view showing the structure of a flexible rotor pump 10. FIG. 24... Drive shaft (rotating shaft), 26, 26b, 2
6c... Sealing device, 28... Fitting portion, 30...
Lip portion, 36, 36a, 36b, 36c... Seal lip, 40... Annular groove, 42... Garter spring, 44a, 44b, 44c... Contact portion.
Claims (1)
内側及び外側にそれぞれ配設されるとともに、互
いに結合している回転軸用シール装置において、
前記リツプ部３０の内周部に軸方向へ適宜間隔に
形成されている複数個のシールリツプ３６，３６
ａ，３６ｂ，３６ｃと、前記リツプ部３０の外周
部に軸方向へ適宜間隔に形成されかつガータスプ
リング４２を嵌着自在である複数個の環状溝４０
とを有してなることを特徴とする回転軸用シール
装置。 (2) シール装置２６ｂ，２６ｃが、半径方向内
側及び外側にそれぞれ配設されて互いに結合して
いるリツプ部３０及び嵌合部２８と、前記リツプ
部３０の内周部に軸方向へ適宜間隔に形成され軸
方向へ順番に径を増大されている複数個のシール
リツプ３６ａ，３６ｂ，３６ｃと、前記リツプ部
３０の外周部に軸方向へ適宜間隔に形成されかつ
ガータスプリング４２を嵌着自在である複数個の
環状溝４０とを有し、各シールリツプ３６ａ，３
６ｂ，３６ｃとの回転軸２４の接触部分４４ａ，
４４ｂ，４４ｃの径が、前記シールリツプ３６ａ
，３６ｂ，３６ｃの径の増大に対応して段階的に
増大していることを特徴とする回転軸用シール構
造。 (3) 前記リツプ部３０の外周は、前記リツプ部
３０の内周部の前記シールリツプ３６ａ，３６ｂ
，３６ｃの径の増大する軸方向へ径を増大するテ
ーパ状に形成されていることを特徴とする請求項
１記載の回転軸用シール構造。[Claims for Utility Model Registration] (1) In a rotary shaft sealing device in which the lip portion 30 and the fitting portion 28 are respectively disposed on the inside and outside in the radial direction and are connected to each other,
A plurality of seal lips 36, 36 are formed at appropriate intervals in the axial direction on the inner circumference of the lip portion 30.
a, 36b, 36c, and a plurality of annular grooves 40 formed at appropriate intervals in the axial direction on the outer circumference of the lip portion 30 and into which the garter spring 42 can be fitted.
A sealing device for a rotating shaft, comprising: (2) The sealing devices 26b and 26c are arranged on the inner circumferential portion of the lip portion 30 and the fitting portion 28, which are respectively disposed on the inner and outer sides in the radial direction and are connected to each other, and on the inner peripheral portion of the lip portion 30 at appropriate intervals in the axial direction. A plurality of seal lips 36a, 36b, 36c are formed on the outer circumference of the lip portion 30 and have diameters increasing in order in the axial direction, and a garter spring 42 is formed at appropriate intervals in the axial direction on the outer circumferential portion of the lip portion 30, and a garter spring 42 can be fitted thereinto. a plurality of annular grooves 40, and each seal lip 36a, 3
6b, 36c and the contact portion 44a of the rotating shaft 24,
The diameters of 44b and 44c are the same as those of the seal lip 36a.
, 36b, 36c, the seal structure for a rotary shaft is increased in stages in response to an increase in the diameter of the rotating shaft. (3) The outer periphery of the lip portion 30 is similar to the seal lips 36a, 36b on the inner periphery of the lip portion 30.
, 36c are formed in a tapered shape such that the diameter increases in the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988059121U JPH0537093Y2 (en) | 1988-04-30 | 1988-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988059121U JPH0537093Y2 (en) | 1988-04-30 | 1988-04-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01166861U true JPH01166861U (en) | 1989-11-22 |
| JPH0537093Y2 JPH0537093Y2 (en) | 1993-09-20 |
Family
ID=31284908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988059121U Expired - Lifetime JPH0537093Y2 (en) | 1988-04-30 | 1988-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0537093Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0942287A (en) * | 1995-07-28 | 1997-02-10 | Nippon Seiko Kk | Sealing device for linear guide |
| JP2001289322A (en) * | 2000-04-03 | 2001-10-19 | Bantekku Kk | Pipe body connection structure |
| US11231042B2 (en) | 2017-02-09 | 2022-01-25 | Eagleburgmann Germany Gmbh & Co. Kg | Mechanical seal assembly with safety seal |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4218189B2 (en) * | 2000-06-30 | 2009-02-04 | 三菱自動車工業株式会社 | Oil seal for rotating shaft |
| JP6963452B2 (en) * | 2017-09-28 | 2021-11-10 | 三菱重工サーマルシステムズ株式会社 | Open compressor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54143960U (en) * | 1978-03-29 | 1979-10-05 |
-
1988
- 1988-04-30 JP JP1988059121U patent/JPH0537093Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54143960U (en) * | 1978-03-29 | 1979-10-05 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0942287A (en) * | 1995-07-28 | 1997-02-10 | Nippon Seiko Kk | Sealing device for linear guide |
| JP2001289322A (en) * | 2000-04-03 | 2001-10-19 | Bantekku Kk | Pipe body connection structure |
| US11231042B2 (en) | 2017-02-09 | 2022-01-25 | Eagleburgmann Germany Gmbh & Co. Kg | Mechanical seal assembly with safety seal |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0537093Y2 (en) | 1993-09-20 |