JPH0222699U - - Google Patents
Info
- Publication number
- JPH0222699U JPH0222699U JP10004688U JP10004688U JPH0222699U JP H0222699 U JPH0222699 U JP H0222699U JP 10004688 U JP10004688 U JP 10004688U JP 10004688 U JP10004688 U JP 10004688U JP H0222699 U JPH0222699 U JP H0222699U
- Authority
- JP
- Japan
- Prior art keywords
- main shaft
- annular seal
- casing
- liquid chamber
- communicates
- 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
- 238000007789 sealing Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000314 lubricant Substances 0.000 claims 1
- 230000001050 lubricating effect Effects 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図は本考案の実施例を示す縦断側面図、第
２図は要部の拡大断面図、第３図は従来例の縦断
側面図、第４図はメカニカルシールの拡大断面図
である。
１……主軸、２……羽根車、３……ケーシング
、５……軸受部、９……環状のシールボツクス、
１０……揚水の進入路、１１……潤滑密封液封入
室、１２，１３……フローテイングシール。
FIG. 1 is a longitudinal sectional side view showing an embodiment of the present invention, FIG. 2 is an enlarged sectional view of essential parts, FIG. 3 is a longitudinal sectional side view of a conventional example, and FIG. 4 is an enlarged sectional view of a mechanical seal. 1... Main shaft, 2... Impeller, 3... Casing, 5... Bearing section, 9... Annular seal box,
10... Pumped water approach path, 11... Lubricating sealing liquid chamber, 12, 13... Floating seal.
Claims (1)
シングの背面と前記主軸を軸支している軸受部と
の間に、揚水の進入路を介してケーシングに連通
しかつ主軸を挿通した環状のシールボツクスが設
けられ、この環状のシールボツクスの内面と前記
主軸の外面とで囲まれる空間に潤滑密封液封入室
を形成し、この潤滑密封液封入室を介して軸方向
に対向する少なくとも１対のフローテイングシー
ルを配置したことを特徴とするポンプの軸封装置
。 An annular seal that communicates with the casing via the pumped water entry path and has the main shaft inserted between the back surface of the casing in which the impeller attached to the main shaft is arranged and the bearing that supports the main shaft. A lubricant sealing liquid chamber is formed in a space surrounded by the inner surface of the annular seal box and the outer surface of the main shaft, and at least one pair of axially opposing A pump shaft sealing device characterized by having a floating seal arranged therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10004688U JPH0222699U (en) | 1988-07-28 | 1988-07-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10004688U JPH0222699U (en) | 1988-07-28 | 1988-07-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0222699U true JPH0222699U (en) | 1990-02-15 |
Family
ID=31327766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10004688U Pending JPH0222699U (en) | 1988-07-28 | 1988-07-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0222699U (en) |
-
1988
- 1988-07-28 JP JP10004688U patent/JPH0222699U/ja active Pending