JPH01127998U - - Google Patents
Info
- Publication number
- JPH01127998U JPH01127998U JP2242588U JP2242588U JPH01127998U JP H01127998 U JPH01127998 U JP H01127998U JP 2242588 U JP2242588 U JP 2242588U JP 2242588 U JP2242588 U JP 2242588U JP H01127998 U JPH01127998 U JP H01127998U
- Authority
- JP
- Japan
- Prior art keywords
- partition plate
- casing
- screw hole
- wall
- pump casing
- 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
- 238000005192 partition Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 2
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図は本考案の一実施例を示すドレン及び空
気抜き構造を備えた渦巻ポンプの縦断面図、第１
ａ図は要部拡大断面図、第２図は従来例を示す多
段遠心ポンプの要部断面図である。
１１……ケーシング外壁、１２……吸込仕切板
、１２ａ……周辺部、１３……ねじ穴、１４……
透孔、１５……栓体、１６……シール部材、１７
……隙間、１８……吸込フランジ、Ａ……吸込圧
室、Ｂ……吐出圧室。
FIG. 1 is a vertical cross-sectional view of a centrifugal pump equipped with a drain and air vent structure showing one embodiment of the present invention.
Figure a is an enlarged sectional view of the main part, and Fig. 2 is a sectional view of the main part of a conventional multistage centrifugal pump. 11... Casing outer wall, 12... Suction partition plate, 12a... Peripheral part, 13... Screw hole, 14...
Through hole, 15...Plug body, 16...Sealing member, 17
...Gap, 18...Suction flange, A...Suction pressure chamber, B...Discharge pressure chamber.
Claims (1)
部に設けたポンプケーシングにおいて、ポンプケ
ーシングの吸込側に、吸込圧力と吐出圧力を仕切
る吸込仕切板を、該仕切板の周辺部をケーシング
外壁の内面に一部重なるように当接させて取付け
、上記当接部の仕切板周辺部にねじ穴を設けると
共に、該ねじ穴に対応するケーシング外壁に透孔
を設け、該透孔を貫通して上記ねじ穴に、シール
部材を介して外側から栓体を螺着し、当接される
仕切板周辺部とケーシング外壁との当接面のねじ
穴より内径側に、隙間を設けたことを特徴とする
ポンプケーシングのドレン及び空気抜き構造。 ２ 当接された仕切板周辺部とケーシング外壁と
の当接面に、半径方向の溝をねじ穴より内径側に
設けたことを特徴とする請求項１記載のポンプケ
ーシングのドレン及び空気抜き構造。[Scope of Claim for Utility Model Registration] 1. In a pump casing that is provided with a partition plate inside which forms chambers with different pressures, a suction partition plate that partitions suction pressure and discharge pressure is provided on the suction side of the pump casing. The peripheral part of the partition plate is mounted so as to partially overlap the inner surface of the casing outer wall, and a screw hole is provided in the peripheral part of the partition plate of the abutting part, and a through hole is provided in the casing outer wall corresponding to the screw hole, A plug is screwed into the screw hole through the through hole from the outside via a sealing member, and on the inner diameter side of the screw hole on the abutment surface between the peripheral part of the partition plate and the outer wall of the casing, A pump casing drain and air vent structure characterized by a gap. 2. The drain and air vent structure for a pump casing according to claim 1, wherein a radial groove is provided on the abutment surface between the abutted peripheral portion of the partition plate and the outer wall of the casing on the inner diameter side of the screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2242588U JPH0455279Y2 (en) | 1988-02-24 | 1988-02-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2242588U JPH0455279Y2 (en) | 1988-02-24 | 1988-02-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01127998U true JPH01127998U (en) | 1989-08-31 |
| JPH0455279Y2 JPH0455279Y2 (en) | 1992-12-25 |
Family
ID=31240534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2242588U Expired JPH0455279Y2 (en) | 1988-02-24 | 1988-02-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0455279Y2 (en) |
-
1988
- 1988-02-24 JP JP2242588U patent/JPH0455279Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0455279Y2 (en) | 1992-12-25 |