JPH0330666U - - Google Patents
Info
- Publication number
- JPH0330666U JPH0330666U JP9243689U JP9243689U JPH0330666U JP H0330666 U JPH0330666 U JP H0330666U JP 9243689 U JP9243689 U JP 9243689U JP 9243689 U JP9243689 U JP 9243689U JP H0330666 U JPH0330666 U JP H0330666U
- Authority
- JP
- Japan
- Prior art keywords
- fixed
- sealing ring
- annular groove
- buffer packing
- annular
- 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 9
- 238000012856 packing Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 239000011247 coating layer Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims 1
Landscapes
- Mechanical Sealing (AREA)
Description
第１図は本考案構造を水中遠心ポンプのメカニ
カルシールに適用した事例を示す要部縦断側面図
、第２図は本考案構造における取付ハウジングの
半断面図、第３図は本考案構造における緩衝パツ
キングの半断面図、第４図は本考案構造における
固定密封環の半断面図、第５図は従来の鋳物製ハ
ウジング構造によるメカニカルシールを備えた水
中遠心ポンプの要部縦断側面図、第６図は金属板
によつて従来の鋳物製ハウジングと均等構造に成
型した事例を示す要部縦断側面図である。
１……取付ハウジング、２……軸孔、３……環
状枠、３ａ……内周面、３ｂ……端縁部、５……
緩衝パツキング、５ａ……環状の板金、５ｂ……
弾褥性被覆層、６……裏側環溝、７……固定密封
環、７ａ……摺滑シール面、７ｂ……定着面、８
……表側環溝、９……回転密封環。
Fig. 1 is a vertical sectional side view of the main parts showing an example of applying the inventive structure to a mechanical seal of a submersible centrifugal pump, Fig. 2 is a half-sectional view of the mounting housing in the inventive structure, and Fig. 3 is a buffer in the inventive structure. FIG. 4 is a half-sectional view of the fixed sealing ring in the structure of the present invention; FIG. 5 is a longitudinal sectional side view of the main parts of a submersible centrifugal pump equipped with a mechanical seal using a conventional cast housing structure; The figure is a longitudinal sectional side view of the main part showing an example of a metal plate molded to have a structure equivalent to that of a conventional cast housing. DESCRIPTION OF SYMBOLS 1... Mounting housing, 2... Shaft hole, 3... Annular frame, 3a... Inner peripheral surface, 3b... End edge part, 5...
Buffer packing, 5a...Circular sheet metal, 5b...
Resilient coating layer, 6... Back side ring groove, 7... Fixed sealing ring, 7a... Sliding sealing surface, 7b... Fixing surface, 8
...Front side ring groove, 9...Rotating sealing ring.
Claims (1)
して環状枠３に形成した金属板製の取付ハウジン
グ１と、 環状の板金５ａを弾褥性被覆層５ｂでモールド
して前記環状枠３と対向する環溝６を裏側外周に
凹設し表側内周には後記固定密封環７の 埋入す
る環溝８が形成せられる緩衝パツキング５と、 表側端面を回転密封環９に対接する摺滑シール
面７ａとなし外周面を前記緩衝パツキング５への
定着面７ｂとする固定密封環７とからなり、 固定密封環７の前記定着面７ｂを緩衝パツキン
グ５の表側環溝８内に定着させて一体となし、 緩衝パツキング５の裏側環溝６を取付ハウジン
グ１の環状枠３の内周面３ａおよび端縁部３ｂに
圧接させることを特徴とした、 メカニカルシールにおける固定密封環の固定部
構造。[Scope of Claim for Utility Model Registration] A mounting housing 1 made of a metal plate formed in an annular frame 3 by punching out the hole edge of a shaft hole 2 drilled in a plate body to the front side, and an annular sheet metal 5a pressed together. A buffer packing 5 is molded with a flexible coating layer 5b, and an annular groove 6 facing the annular frame 3 is recessed on the outer periphery of the back side, and an annular groove 8 in which a fixed sealing ring 7 to be described later is embedded is formed on the inner periphery of the front side. , consisting of a sliding sealing surface 7a whose front end surface is in contact with the rotary sealing ring 9, and a fixed sealing ring 7 whose outer peripheral surface is a fixing surface 7b to the buffer packing 5, and the fixing surface 7b of the fixed seal ring 7 is It is fixed in the front side annular groove 8 of the buffer packing 5 to form an integral body, and the back side annular groove 6 of the buffer packing 5 is brought into pressure contact with the inner circumferential surface 3a and end edge 3b of the annular frame 3 of the mounting housing 1. The structure of the fixed part of the fixed sealing ring in a mechanical seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989092436U JPH083768Y2 (en) | 1989-08-04 | 1989-08-04 | Structure of fixed part of fixed seal ring in mechanical seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989092436U JPH083768Y2 (en) | 1989-08-04 | 1989-08-04 | Structure of fixed part of fixed seal ring in mechanical seal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0330666U true JPH0330666U (en) | 1991-03-26 |
| JPH083768Y2 JPH083768Y2 (en) | 1996-01-31 |
Family
ID=31641865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989092436U Expired - Fee Related JPH083768Y2 (en) | 1989-08-04 | 1989-08-04 | Structure of fixed part of fixed seal ring in mechanical seal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH083768Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5970966U (en) * | 1982-11-01 | 1984-05-14 | 内山工業株式会社 | mechanical seal |
| JPS6221999A (en) * | 1985-07-22 | 1987-01-30 | 三井建設株式会社 | Lining structure in tunnel |
| JPS6318854U (en) * | 1986-07-22 | 1988-02-08 |
-
1989
- 1989-08-04 JP JP1989092436U patent/JPH083768Y2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5970966U (en) * | 1982-11-01 | 1984-05-14 | 内山工業株式会社 | mechanical seal |
| JPS6221999A (en) * | 1985-07-22 | 1987-01-30 | 三井建設株式会社 | Lining structure in tunnel |
| JPS6318854U (en) * | 1986-07-22 | 1988-02-08 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH083768Y2 (en) | 1996-01-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0330668U (en) | ||
| JPH0330666U (en) | ||
| JPS63175355U (en) | ||
| JPH0330667U (en) | ||
| JPS6425571U (en) | ||
| JPH0388064U (en) | ||
| JPH0320762U (en) | ||
| JPH0377859U (en) | ||
| JPS6163496U (en) | ||
| JPH01173573U (en) | ||
| JPS6328962U (en) | ||
| JPH0330670U (en) | ||
| JPH026863U (en) | ||
| JPS62195698U (en) | ||
| JPH0387995U (en) | ||
| JPH02127856U (en) | ||
| JPS6421856U (en) | ||
| JPS59160889U (en) | Water pump sealing device | |
| JPS60102495U (en) | Rotating shaft sealing device for submersible pumps | |
| JPH0225772U (en) | ||
| JPS6249057U (en) | ||
| JPS63187776U (en) | ||
| JPH0222466U (en) | ||
| JPH02128822U (en) | ||
| JPS6314066U (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |