JPS6238498U - - Google Patents
Info
- Publication number
- JPS6238498U JPS6238498U JP12945285U JP12945285U JPS6238498U JP S6238498 U JPS6238498 U JP S6238498U JP 12945285 U JP12945285 U JP 12945285U JP 12945285 U JP12945285 U JP 12945285U JP S6238498 U JPS6238498 U JP S6238498U
- Authority
- JP
- Japan
- Prior art keywords
- elastic body
- annular packing
- cylindrical elastic
- fluid pressure
- drive 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
- 238000012856 packing Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims 1
Landscapes
- Furnace Charging Or Discharging (AREA)
Description
第１図は本考案の一実施例の断面図、第２図は
その動作状態を示す断面図、第３図は従来例の断
面図である。
１１……回転駆動軸、１２……ケーシング、１
６……筒状弾性体、１７……環状パツキン、１９
……隙間、３６……加圧空気、３７……流体圧供
給装置。
FIG. 1 is a sectional view of an embodiment of the present invention, FIG. 2 is a sectional view showing its operating state, and FIG. 3 is a sectional view of a conventional example. 11...Rotation drive shaft, 12...Casing, 1
6... Cylindrical elastic body, 17... Annular packing, 19
... Gap, 36 ... Pressurized air, 37 ... Fluid pressure supply device.
Claims (1)
構造であつて、 前記回転駆動軸に外嵌される環状パツキンと、 この環状パツキンに外嵌される筒状弾性体と、 この筒状弾性体の外周面に流体圧を作用させて
この筒状弾性体を縮径付勢させることにより、前
記環状パツキンを回転駆動軸の外周に押圧させる
流体圧供給装置と、 を前記ケーシング内に設けたことを特徴とするイ
ンペラのシール構造。[Claims for Utility Model Registration] A sealing structure between a rotary drive shaft of an impeller and a casing, comprising: an annular packing fitted onto the rotary driving shaft; a cylindrical elastic body fitted onto the annular packing; a fluid pressure supply device that presses the annular packing against the outer periphery of the rotational drive shaft by applying fluid pressure to the outer circumferential surface of the cylindrical elastic body to force the cylindrical elastic body to contract in diameter; The impeller seal structure is characterized by the fact that it is provided inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12945285U JPS6238498U (en) | 1985-08-23 | 1985-08-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12945285U JPS6238498U (en) | 1985-08-23 | 1985-08-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6238498U true JPS6238498U (en) | 1987-03-07 |
Family
ID=31026033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12945285U Pending JPS6238498U (en) | 1985-08-23 | 1985-08-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6238498U (en) |
-
1985
- 1985-08-23 JP JP12945285U patent/JPS6238498U/ja active Pending